testcases.json

[
    {
    "name"        : "no cmdline",
    "files"       : [],
    "expectedout" : "",
    "expectederr" : 1,
    "script_test_not_applicable" : true
    },
    {
    "name"        : "empty cmdline, implicit p",
    "cmdline"     : "",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "empty cmdline, quiet",
    "options"     : ["-n"],
    "cmdline"     : "",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "invalid cmdline, non-existent cmd",
    "cmdline"     : "n/foo/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 2
    },
    {
    "name"        : "invalid cmdline, arg list without cmd",
    "cmdline"     : "/foo/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 2
    },
    {
    "name"        : "invalid cmdline, unterminated cmd",
    "cmdline"     : "x/foo",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 2
    },
    {
    "name"        : "invalid cmdline, incorrect regex #1",
    "cmdline"     : "x/[abc/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 5
    },
    {
    "name"        : "invalid cmdline, incorrect regex #2",
    "cmdline"     : "x/*/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 5
    },

    {
    "name"        : "input file does not exist",
    "cmdline"     : "p",
    "files"       : ["file_that_probably_doesnt_exist"],
    "expectedout" : "",
    "expectederr" : 3,
    "stdin_test_not_applicable" : true
    },
    {
    "name"        : "input file unreadable (dir)",
    "cmdline"     : "p",
    "files"       : ["."],
    "expectedout" : "",
    "expectederr" : 3,
    "stdin_test_not_applicable" : true
    },
    {
    "name"        : "script file does not exist",
    "options"     : ["--file=file_that_probably_doesnt_exist"],
    "cmdline"     : "p",
    "files"       : [],
    "expectedout" : "",
    "expectederr" : 1,
    "script_test_not_applicable" : true
    },
    {
    "name"        : "script file unreadable (dir)",
    "options"     : ["--file=."],
    "cmdline"     : "p",
    "files"       : [],
    "expectedout" : "",
    "expectederr" : 1,
    "script_test_not_applicable" : true
    },

    {
    "name"        : "p",
    "options"     : ["-n"],
    "cmdline"     : "p",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "p, multiple adjacent",
    "options"     : ["-n"],
    "cmdline"     : "ppp",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!hello world!hello world!"
    },
    {
    "name"        : "p, multiple separated with all kinds of whitespaces",
    "options"     : ["-n"],
    "cmdline"     : "p     p\np p",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!hello world!hello world!hello world!"
    },
    {
    "name"        : "p, multiple input files",
    "options"     : ["-n"],
    "cmdline"     : "p",
    "files"       : ["test-input/helloworld.txt", "test-input/meaning_of_life.txt"],
    "expectedout" : "hello world!42"
    },

    {
    "name"        : "x, empty regex",
    "cmdline"     : "x//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "x, empty input",
    "cmdline"     : "x/\\\\([^\\\\)]*\\\\)/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "x, parenthesised",
    "cmdline"     : "x/\\\\([^\\\\)]*\\\\)/",
    "files"       : ["test-input/parenthesis.txt"],
    "expectedout" : "(20)(40)(foo)(hello world)()()()(This is 1 test\nsentence that spans\nmultiple lines.)"
    },
    {
    "name"        : "x, consecutive x's: numbers in parenthesis",
    "cmdline"     : "x/\\\\([^\\\\)]*\\\\)/ x/[0-9]\\+/",
    "files"       : ["test-input/parenthesis.txt"],
    "expectedout" : "20401"
    },
    {
    "name"        : "x, python comments",
    "cmdline"     : "x/#[^\\n]*\\n/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "# Full line comment\n# EoL comment\n#\n# Another full line comment\n#\n"
    },
    {
    "name"        : "x, C comments",
    "cmdline"     : "x/\\\\/\\\\*[^\\\\*]*\\\\*\\\\//",
    "files"       : ["test-input/code.c"],
    "expectedout" : "/* unimportant *//* ### some comment ### *//* this\n   is a\n   mult line\n   comment\n*//* some other comment */"
    },

    {
    "name"        : "y, empty regex",
    "cmdline"     : "y//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "y, empty input",
    "cmdline"     : "y/\\\\([^\\\\)]*\\\\)/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "y, non-parenthesised",
    "cmdline"     : "y/\\\\([^\\\\)]*\\\\)/",
    "files"       : ["test-input/parenthesis.txt"],
    "expectedout" : "Test ints: 10, , 30, \nTest strings: , bar, , baz, \n <-- empty at line start\nempty at line end  --> \nMulti line:  end"
    },
    {
    "name"        : "y, consecutive y's: numbers not in parenthesis",
    "cmdline"     : "y/\\\\([^\\\\)]*\\\\)/ y/[a-zA-Z:,<> \n-]\\+/",
    "files"       : ["test-input/parenthesis.txt"],
    "expectedout" : "1030"
    },
    {
    "name"        : "y, python non-commented",
    "cmdline"     : "y/#[^\\n]*\\n/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "a = 10\nb = 20 c = 30\nd = 42\ne = 50 "
    },
    {
    "name"        : "y, C non-commented",
    "cmdline"     : "y/\\\\/\\\\*[^\\\\*]*\\\\*\\\\//",
    "files"       : ["test-input/code.c"],
    "expectedout" : "#include <stdio.h>\n#include <stdlib.h>\n#include \"vars.h\"\n x = 10; \ny = 20;\n\nz = 30; "
    },

    {
    "name"        : "g, empty regex",
    "cmdline"     : "g//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "g, empty input",
    "cmdline"     : "g/dummy/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "g, match anything regex",
    "cmdline"     : "g/.*/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "g, extract C code lines, keep preprocessor lines",
    "cmdline"     : "x/[^\\n]*\\n/ g/^#/",
    "files"       : ["test-input/code.c"],
    "expectedout" : "#include <stdio.h>\n#include <stdlib.h>\n#include \"vars.h\"\n"
    },
    {
    "name"        : "g, extract csv lines, keep those with 'false' at last field",
    "cmdline"     : "x/[^\\n]*\\n/ g/;false\\n$/",
    "files"       : ["test-input/data.csv"],
    "expectedout" : "red;north;10;false\nblue;south;-5;false\ngreen;east;42;false\n"
    },
    {
    "name"        : "g, extract json objects, keep 'in' types",
    "cmdline"     : "x/\\\\{[^\\\\}]*\\\\}/ g/\"in\"/",
    "files"       : ["test-input/hardware.json"],
    "expectedout" : "{\n\t\"device\": \"Keyboard\",\n\t\"type\": \"in\",\n\t\"price\": 50\n}{\n\t\"device\": \"Mouse\",\n\t\"type\": \"in\",\n\t\"price\": 20\n}"
    },

    {
    "name"        : "v, empty regex",
    "cmdline"     : "v//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "v, empty input",
    "cmdline"     : "v/dummy/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "v, match anything regex",
    "cmdline"     : "v/.*/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "v, extract C code lines, discard preprocessor lines",
    "cmdline"     : "x/[^\\n]*\\n/ v/^#/",
    "files"       : ["test-input/code.c"],
    "expectedout" : "/* unimportant */ x = 10; /* ### some comment ### */\ny = 20;\n/* this\n   is a\n   mult line\n   comment\n*/\nz = 30; /* some other comment */\n"
    },
    {
    "name"        : "v, extract csv lines, discard those with 'false' at last field",
    "cmdline"     : "x/[^\\n]*\\n/ v/;false\\n$/",
    "files"       : ["test-input/data.csv"],
    "expectedout" : "yellow;south;117;true\npurple;north;31415;true\n"
    },
    {
    "name"        : "v, extract json objects, discard 'in' types",
    "cmdline"     : "x/\\\\{[^\\\\}]*\\\\}/ v/\"in\"/",
    "files"       : ["test-input/hardware.json"],
    "expectedout" : "{\n\t\"device\": \"Latop\",\n\t\"type\": \"computer\",\n\t\"price\": 1000\n}{\n\t\"device\": \"Monitor\",\n\t\"type\": \"out\",\n\t\"price\": 200\n}"
    },

    {
    "name"        : "~, empty input",
    "cmdline"     : "~",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "~, on full selection",
    "cmdline"     : "~",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "~, on empty selection",
    "cmdline"     : "x// ~",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "~, complement x, print the unquoted",
    "cmdline"     : "x/\"[^\"]*\"/ ~",
    "files"       : ["test-input/quotes.txt"],
    "expectedout" : "BoL  EoL\nBoL  EoF\nEmpty quote: "
    },
    {
    "name"        : "~, complement y, print the quoted",
    "cmdline"     : "y/\"[^\"]*\"/ ~",
    "files"       : ["test-input/quotes.txt"],
    "expectedout" : "\"inline quote\"\"multi\nline\nquote\"\"\""
    },

    {
    "name"        : "L, empty input",
    "cmdline"     : "L",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "L, multi-line input",
    "cmdline"     : "L",
    "files"       : ["test-input/data.csv"],
    "expectedout" : "red;north;10;false\nblue;south;-5;false\nyellow;south;117;true\ngreen;east;42;false\npurple;north;31415;true\n"
    },
    {
    "name"        : "L, with a filter",
    "cmdline"     : "L g/true/",
    "files"       : ["test-input/data.csv"],
    "expectedout" : "yellow;south;117;true\npurple;north;31415;true\n"
    },
    {
    "name"        : "L, consecutive L's",
    "cmdline"     : "L L L g/true/ L L L",
    "files"       : ["test-input/data.csv"],
    "expectedout" : "yellow;south;117;true\npurple;north;31415;true\n"
    },

    {
    "name"        : "u, empty input",
    "cmdline"     : "u",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "u, on full selection",
    "cmdline"     : "u",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "u, on empty selection",
    "cmdline"     : "x// u",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "u, on non-empty selection",
    "cmdline"     : "x/l/ u",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },

    {
    "name"        : "d, empty input",
    "cmdline"     : "d",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "d, on full selection",
    "cmdline"     : "d",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "d, on empty selection",
    "cmdline"     : "x/[0-9]/ d",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "d, delete quoted parts",
    "cmdline"     : "x/\"[^\"]*\"/ d",
    "files"       : ["test-input/quotes.txt"],
    "expectedout" : "BoL  EoL\nBoL  EoF\nEmpty quote: \n"
    },
    {
    "name"        : "d, delete python comments",
    "cmdline"     : "x/#[^\\n]*\\n/ d",
    "files"       : ["test-input/code.py"],
    "expectedout" : "a = 10\nb = 20 c = 30\nd = 42\ne = 50 "
    },

    {
    "name"        : "c, empty input",
    "cmdline"     : "c/test/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : "test"
    },
    {
    "name"        : "c, on full selection",
    "cmdline"     : "c/test/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "test"
    },
    {
    "name"        : "c, on empty selection",
    "cmdline"     : "x/[0-9]/ c/test/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "c, empty replacement (will delete)",
    "cmdline"     : "x/[ !]/ c//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "helloworld"
    },
    {
    "name"        : "c, multiple c's, capitalize (in a dumb way)",
    "cmdline"     : "x/h/c/H/ x/e/c/E/ x/l/c/L/ x/o/c/O/ x/w/c/W/ x/r/c/R/ x/d/c/D/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "HELLO WORLD!"
    },
    {
    "name"        : "c, change \"in\" types to \"input\" in json (in a dumb way)",
    "cmdline"     : "L g/\"type\": \"in\"/ x/in/ c/input/",
    "files"       : ["test-input/hardware.json"],
    "expectedout" : "[\n{\n\t\"device\": \"Latop\",\n\t\"type\": \"computer\",\n\t\"price\": 1000\n},\n{\n\t\"device\": \"Keyboard\",\n\t\"type\": \"input\",\n\t\"price\": 50\n},\n{\n\t\"device\": \"Monitor\",\n\t\"type\": \"out\",\n\t\"price\": 200\n},\n{\n\t\"device\": \"Mouse\",\n\t\"type\": \"input\",\n\t\"price\": 20\n},\n]\n"
    },

    {
    "name"        : "s, empty input",
    "cmdline"     : "s/from/to/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "s, empty regex, empty replacement",
    "cmdline"     : "s///",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "s, empty regex, non-empty replacement",
    "cmdline"     : "s//to/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "s, non-empty regex with zero matches",
    "cmdline"     : "s/[xyz]/to/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "s, matching regex, empty replacement (will delete)",
    "cmdline"     : "s/\\\\/\\\\*[^\\\\*]*\\\\*\\\\///",
    "files"       : ["test-input/code.c"],
    "expectedout" : "#include <stdio.h>\n#include <stdlib.h>\n#include \"vars.h\"\n x = 10; \ny = 20;\n\nz = 30; \n"
    },
    {
    "name"        : "s, replace ; with \\t",
    "cmdline"     : "s/;/\\t/",
    "files"       : ["test-input/data.csv"],
    "expectedout" : "red\tnorth\t10\tfalse\nblue\tsouth\t-5\tfalse\nyellow\tsouth\t117\ttrue\ngreen\teast\t42\tfalse\npurple\tnorth\t31415\ttrue\n"
    },
    {
    "name"        : "s, consecutive s's, replacements same length as matches (non-zero)",
    "cmdline"     : "s/east/EAST/ s/north/NORTH/ s/south/SOUTH/",
    "files"       : ["test-input/data.csv"],
    "expectedout" : "red;NORTH;10;false\nblue;SOUTH;-5;false\nyellow;SOUTH;117;true\ngreen;EAST;42;false\npurple;NORTH;31415;true\n"
    },
    {
    "name"        : "s, consecutive s's, replacements shorter than matches (non-zero)",
    "cmdline"     : "s/east/E/ s/north/N/ s/south/S/",
    "files"       : ["test-input/data.csv"],
    "expectedout" : "red;N;10;false\nblue;S;-5;false\nyellow;S;117;true\ngreen;E;42;false\npurple;N;31415;true\n"
    },
    {
    "name"        : "s, consecutive s's, replacements longer than matches (non-zero)",
    "cmdline"     : "s/east/EEAASSTT/ s/north/NNOORRTTHH/ s/south/SSOOUUTTHH/",
    "files"       : ["test-input/data.csv"],
    "expectedout" : "red;NNOORRTTHH;10;false\nblue;SSOOUUTTHH;-5;false\nyellow;SSOOUUTTHH;117;true\ngreen;EEAASSTT;42;false\npurple;NNOORRTTHH;31415;true\n"
    },

    {
    "name"        : "i, empty input",
    "cmdline"     : "i/pre/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : "pre"
    },
    {
    "name"        : "i, empty input, empty prefix",
    "cmdline"     : "i//",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "i, non-empty input, empty prefix",
    "cmdline"     : "i//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "i, consecutive i's",
    "cmdline"     : "i/pre1-/ i/pre2-/ i/pre3-/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "pre3-pre2-pre1-hello world!"
    },
    {
    "name"        : "i, prefix numbers (prices) with '$'",
    "cmdline"     : "x/[0-9]\\+/ i/$/ u",
    "files"       : ["test-input/hardware.json"],
    "expectedout" : "[\n{\n\t\"device\": \"Latop\",\n\t\"type\": \"computer\",\n\t\"price\": $1000\n},\n{\n\t\"device\": \"Keyboard\",\n\t\"type\": \"in\",\n\t\"price\": $50\n},\n{\n\t\"device\": \"Monitor\",\n\t\"type\": \"out\",\n\t\"price\": $200\n},\n{\n\t\"device\": \"Mouse\",\n\t\"type\": \"in\",\n\t\"price\": $20\n},\n]\n"
    },

    {
    "name"        : "a, empty input",
    "cmdline"     : "a/suf/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : "suf"
    },
    {
    "name"        : "a, empty input, empty suffix",
    "cmdline"     : "a//",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "a, non-empty input, empty suffix",
    "cmdline"     : "a//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "a, consecutive a's",
    "cmdline"     : "a/-suf1/ a/-suf2/ a/-suf3/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!-suf1-suf2-suf3"
    },
    {
    "name"        : "a, suffix numbers (distances) with 'km'",
    "cmdline"     : "x/[0-9]\\+/ a/km/ u",
    "files"       : ["test-input/hardware.json"],
    "expectedout" : "[\n{\n\t\"device\": \"Latop\",\n\t\"type\": \"computer\",\n\t\"price\": 1000km\n},\n{\n\t\"device\": \"Keyboard\",\n\t\"type\": \"in\",\n\t\"price\": 50km\n},\n{\n\t\"device\": \"Monitor\",\n\t\"type\": \"out\",\n\t\"price\": 200km\n},\n{\n\t\"device\": \"Mouse\",\n\t\"type\": \"in\",\n\t\"price\": 20km\n},\n]\n"
    },

    {
    "name"        : "S, empty input, empty prefix and suffix",
    "cmdline"     : "S///",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "S, empty input, empty prefix",
    "cmdline"     : "S//suf/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : "suf"
    },
    {
    "name"        : "S, empty input, empty suffix",
    "cmdline"     : "S/pre//",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : "pre"
    },
    {
    "name"        : "S, empty input",
    "cmdline"     : "S/pre/suf/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : "presuf"
    },
    {
    "name"        : "S, non-empty input, empty prefix and suffix",
    "cmdline"     : "S///",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "S, non-empty input, empty prefix",
    "cmdline"     : "S//suf/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!suf"
    },
    {
    "name"        : "S, non-empty input, empty suffix",
    "cmdline"     : "S/pre//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "prehello world!"
    },
    {
    "name"        : "S, non-empty input",
    "cmdline"     : "S/pre/suf/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "prehello world!suf"
    },
    {
    "name"        : "S, consecutive S's",
    "cmdline"     : "S/ / / S/***/***/ S/***/***/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "****** hello world! ******"
    },
    {
    "name"        : "S, surround true and false with double quotes",
    "cmdline"     : "x/false|true/ S/\"/\"/ u",
    "files"       : ["test-input/data.csv"],
    "expectedout" : "red;north;10;\"false\"\nblue;south;-5;\"false\"\nyellow;south;117;\"true\"\ngreen;east;42;\"false\"\npurple;north;31415;\"true\"\n"
    },

    {
    "name"        : "r, empty arg",
    "cmdline"     : "r//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 8
    },
    {
    "name"        : "r, non-empty arg, file does not exist",
    "cmdline"     : "r/file_that_probably_doesnt_exist/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 3
    },
    {
    "name"        : "r, empty input, empty r file",
    "cmdline"     : "r/test-input\\/empty.txt/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "r, empty input, non-empty r file",
    "cmdline"     : "r/test-input\\/helloworld.txt/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "r, non-empty input, empty r file",
    "cmdline"     : "r/test-input\\/empty.txt/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "r, non-empty input, non-empty r file",
    "cmdline"     : "r/test-input\\/meaning_of_life.txt/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "42"
    },
    {
    "name"        : "r, replace numbers with number read from file",
    "cmdline"     : "x/[0-9]*/ r/test-input\\/meaning_of_life.txt/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "# Full line comment\na = 42\nb = 42 # EoL comment\n#\nc = 42\n# Another full line comment\nd = 42\ne = 42 #\n"
    },

    {
    "name"        : "R, empty arg",
    "cmdline"     : "R//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 8
    },
    {
    "name"        : "R, non-empty arg, file does not exist",
    "cmdline"     : "R/file_that_probably_doesnt_exist/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 3
    },
    {
    "name"        : "R, empty input, empty R file",
    "cmdline"     : "R/test-input\\/empty.txt/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "R, empty input, non-empty R file",
    "cmdline"     : "R/test-input\\/helloworld.txt/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "R, non-empty input, empty R file",
    "cmdline"     : "R/test-input\\/empty.txt/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "R, non-empty input, non-empty R file",
    "cmdline"     : "R/test-input\\/meaning_of_life.txt/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!42"
    },
    {
    "name"        : "R, append numbers with number read from file",
    "cmdline"     : "x/[0-9]*/ R/test-input\\/meaning_of_life.txt/ u",
    "files"       : ["test-input/code.py"],
    "expectedout" : "# Full line comment\na = 1042\nb = 2042 # EoL comment\n#\nc = 3042\n# Another full line comment\nd = 4242\ne = 5042 #\n"
    },

    {
    "name"            : "w, empty arg",
    "cmdline"         : "w///",
    "files"           : ["test-input/helloworld.txt"],
    "expectedout"     : "",
    "expectederr"     : 8
    },
    {
    "name"            : "w, empty input",
    "cmdline"         : "w/file_that_probably_doesnt_exist.txt/sep/",
    "files"           : ["test-input/empty.txt"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt"],
    "newfilecontents" : [""]
    },
    {
    "name"            : "w, on full selection",
    "options"         : ["-n"],
    "cmdline"         : "w/file_that_probably_doesnt_exist.txt/sep/",
    "files"           : ["test-input/helloworld.txt"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt"],
    "newfilecontents" : ["hello world!"]
    },
    {
    "name"            : "w, output all numbers with empty separator",
    "options"         : ["-n"],
    "cmdline"         : "x/[0-9]+/ w/file_that_probably_doesnt_exist.txt//",
    "files"           : ["test-input/code.py"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt"],
    "newfilecontents" : ["1020304250"]
    },
    {
    "name"            : "w, output all numbers with triple comma separator",
    "options"         : ["-n"],
    "cmdline"         : "x/[0-9]+/ w/file_that_probably_doesnt_exist.txt/,,,/",
    "files"           : ["test-input/code.py"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt"],
    "newfilecontents" : ["10,,,20,,,30,,,42,,,50"]
    },
    {
    "name"            : "w, output all numbers with newline separator",
    "options"         : ["-n"],
    "cmdline"         : "x/[0-9]+/ w/file_that_probably_doesnt_exist.txt/\n/",
    "files"           : ["test-input/code.py"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt"],
    "newfilecontents" : ["10\n20\n30\n42\n50"]
    },
    {
    "name"            : "w, consecutive w's to same file",
    "options"         : ["-n"],
    "cmdline"         : "x/[0-9]+/ w/file_that_probably_doesnt_exist.txt/,,,/ w/file_that_probably_doesnt_exist.txt/\n/",
    "files"           : ["test-input/code.py"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt"],
    "newfilecontents" : ["10\n20\n30\n42\n50"]
    },
    {
    "name"            : "w, consecutive w's to separate files",
    "options"         : ["-n"],
    "cmdline"         : "x/[0-9]+/ w/file_that_probably_doesnt_exist.txt/,,,/ w/file_that_probably_doesnt_exist2.txt/\n/",
    "files"           : ["test-input/code.py"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt", "file_that_probably_doesnt_exist2.txt"],
    "newfilecontents" : ["10,,,20,,,30,,,42,,,50", "10\n20\n30\n42\n50"]
    },

    {
    "name"            : "W, empty arg",
    "cmdline"         : "W///",
    "files"           : ["test-input/helloworld.txt"],
    "expectedout"     : "",
    "expectederr"     : 8
    },
    {
    "name"            : "W, empty input",
    "cmdline"         : "W/file_that_probably_doesnt_exist.txt/sep/",
    "files"           : ["test-input/empty.txt"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt"],
    "newfilecontents" : [""]
    },
    {
    "name"            : "W, on full selection",
    "options"         : ["-n"],
    "cmdline"         : "W/file_that_probably_doesnt_exist.txt/sep/",
    "files"           : ["test-input/helloworld.txt"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt"],
    "newfilecontents" : ["hello world!"]
    },
    {
    "name"            : "W, output all numbers with empty separator",
    "options"         : ["-n"],
    "cmdline"         : "x/[0-9]+/ W/file_that_probably_doesnt_exist.txt//",
    "files"           : ["test-input/code.py"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt"],
    "newfilecontents" : ["1020304250"]
    },
    {
    "name"            : "W, output all numbers with triple comma separator",
    "options"         : ["-n"],
    "cmdline"         : "x/[0-9]+/ W/file_that_probably_doesnt_exist.txt/,,,/",
    "files"           : ["test-input/code.py"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt"],
    "newfilecontents" : ["10,,,20,,,30,,,42,,,50"]
    },
    {
    "name"            : "W, output all numbers with newline separator",
    "options"         : ["-n"],
    "cmdline"         : "x/[0-9]+/ W/file_that_probably_doesnt_exist.txt/\n/",
    "files"           : ["test-input/code.py"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt"],
    "newfilecontents" : ["10\n20\n30\n42\n50"]
    },
    {
    "name"            : "W, consecutive W's to same file",
    "options"         : ["-n"],
    "cmdline"         : "x/[0-9]+/ W/file_that_probably_doesnt_exist.txt/,,,/ W/file_that_probably_doesnt_exist.txt/\n/",
    "files"           : ["test-input/code.py"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt"],
    "newfilecontents" : ["10,,,20,,,30,,,42,,,5010\n20\n30\n42\n50"]
    },
    {
    "name"            : "W, consecutive W's to separate files",
    "options"         : ["-n"],
    "cmdline"         : "x/[0-9]+/ W/file_that_probably_doesnt_exist.txt/,,,/ W/file_that_probably_doesnt_exist2.txt/\n/",
    "files"           : ["test-input/code.py"],
    "expectedout"     : "",
    "newfilenames"    : ["file_that_probably_doesnt_exist.txt", "file_that_probably_doesnt_exist2.txt"],
    "newfilecontents" : ["10,,,20,,,30,,,42,,,50", "10\n20\n30\n42\n50"]
    },

    {
    "name"        : "!, empty arg",
    "cmdline"     : "!//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 8
    },
    {
    "name"        : "!, empty input",
    "options"     : ["-n"],
    "cmdline"     : "!/echo foo/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : "foo\n"
    },
    {
    "name"        : "!, single extraction",
    "options"     : ["-n"],
    "cmdline"     : "!/echo foo/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "foo\n"
    },
    {
    "name"        : "!, multiple extractions",
    "options"     : ["-n"],
    "cmdline"     : "x/[eo]/ !/echo foo/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "foo\nfoo\nfoo\n"
    },
    {
    "name"        : "!, more complex sh command",
    "options"     : ["-n"],
    "cmdline"     : "x/[eo]/ !/echo foo | tr a-z A-Z | rev/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "OOF\nOOF\nOOF\n"
    },

    {
    "name"        : "<, empty arg",
    "cmdline"     : "<//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 8
    },
    {
    "name"        : "<, empty input",
    "cmdline"     : "</echo foo/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : "foo\n"
    },
    {
    "name"        : "<, single extraction",
    "cmdline"     : "</echo foo/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "foo\n"
    },
    {
    "name"        : "<, multiple extractions",
    "cmdline"     : "x/[0-9]+/ </echo -n 42/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "# Full line comment\na = 42\nb = 42 # EoL comment\n#\nc = 42\n# Another full line comment\nd = 42\ne = 42 #\n"
    },
    {
    "name"        : "<, more complex sh command",
    "cmdline"     : "x/\"[^\"]*\"/ </echo \\\"[redacted]\\\" | tr a-z A-Z/",
    "files"       : ["test-input/quotes.txt"],
    "expectedout" : "BoL [REDACTED]\n EoL\nBoL [REDACTED]\n EoF\nEmpty quote: [REDACTED]\n\n"
    },

    {
    "name"        : ">, empty arg",
    "cmdline"     : ">//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 8
    },
    {
    "name"        : ">, empty input",
    "options"     : ["-n"],
    "cmdline"     : ">/tr a-z A-Z/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : ">, single extraction",
    "options"     : ["-n"],
    "cmdline"     : ">/tr a-z A-Z/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "HELLO WORLD!"
    },
    {
    "name"        : ">, multiple extractions",
    "options"     : ["-n"],
    "cmdline"     : "x/[0-9]+/ >/rev/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "0102032405"
    },
    {
    "name"        : ">, more complex sh command",
    "options"     : ["-n"],
    "cmdline"     : ">/grep \"[0-9]\" | cut -d: -f2/",
    "files"       : ["test-input/hardware.json"],
    "expectedout" : " 1000\n 50\n 200\n 20\n"
    },

    {
    "name"        : "|, empty arg",
    "cmdline"     : "|//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 8
    },
    {
    "name"        : "|, empty input",
    "cmdline"     : "|/tr a-z A-Z/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "|, single extraction",
    "cmdline"     : "|/rev/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "!dlrow olleh"
    },
    {
    "name"        : "|, multiple extractions",
    "cmdline"     : "x/east|north|south/ |/tr a-z A-Z/ u",
    "files"       : ["test-input/data.csv"],
    "expectedout" : "red;NORTH;10;false\nblue;SOUTH;-5;false\nyellow;SOUTH;117;true\ngreen;EAST;42;false\npurple;NORTH;31415;true\n"
    },
    {
    "name"        : "|, more complex sh command",
    "cmdline"     : "|/awk -F\";\" \"{print \\\\$2, \\\\$3}\" OFS=\"\t\" | sed \"=\"/",
    "files"       : ["test-input/data.csv"],
    "expectedout" : "1\nnorth\t10\n2\nsouth\t-5\n3\nsouth\t117\n4\neast\t42\n5\nnorth\t31415\n"
    },
    {
    "name"        : "|, capitalize commented texts in C",
    "cmdline"     : "x/\\\\/\\\\*[^\\\\*]*\\\\*\\\\// |/tr a-z A-Z/",
    "files"       : ["test-input/code.c"],
    "expectedout" : "#include <stdio.h>\n#include <stdlib.h>\n#include \"vars.h\"\n/* UNIMPORTANT */ x = 10; /* ### SOME COMMENT ### */\ny = 20;\n/* THIS\n   IS A\n   MULT LINE\n   COMMENT\n*/\nz = 30; /* SOME OTHER COMMENT */\n"
    },

    {
    "name"        : "t, empty arg",
    "cmdline"     : "t//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 8
    },
    {
    "name"        : "t, empty input",
    "cmdline"     : "t/grep -q 'foo'/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "t, false for all extractions",
    "cmdline"     : "x/[0-9]+/ t/grep -q '9'/ a/|/",
    "files"       : ["test-input/code.py"],
    "expectedout" : ""
    },
    {
    "name"        : "t, true for all extractions",
    "cmdline"     : "x/[0-9]+/ t/grep -q '[0-9]'/ a/|/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "10|20|30|42|50|"
    },
    {
    "name"        : "t, true for some, false for others",
    "cmdline"     : "x/[0-9]+/ t/grep -q '[12]'/ a/|/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "10|20|42|"
    },

    {
    "name"        : "T, empty arg",
    "cmdline"     : "T//",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "",
    "expectederr" : 8
    },
    {
    "name"        : "T, empty input",
    "cmdline"     : "T/grep -q 'foo'/",
    "files"       : ["test-input/empty.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "T, false for all extractions",
    "cmdline"     : "x/[0-9]+/ T/grep -q '9'/ a/|/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "10|20|30|42|50|"
    },
    {
    "name"        : "T, true for all extractions",
    "cmdline"     : "x/[0-9]+/ T/grep -q '[0-9]'/ a/|/",
    "files"       : ["test-input/code.py"],
    "expectedout" : ""
    },
    {
    "name"        : "T, true for some, false for others",
    "cmdline"     : "x/[0-9]+/ T/grep -q '[12]'/ a/|/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "30|50|"
    },

    {
    "name"        : "comments, single hashmark",
    "cmdline"     : "#",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "comments, many consecutive hashmarks",
    "cmdline"     : "#######",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "comments, many consecutive hashmarks with whitespaces",
    "cmdline"     : "##   #\n#  #           # #\n\n#",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "comments, all lines fully commented",
    "cmdline"     : "# p\n# x/[a-z]/\n# u",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "comments, some lines fully, some partially commented",
    "cmdline"     : "# first line\n x/[0-9]+/ # extract numbers\n S/<</>>/ # surround them\n# last line",
    "files"       : ["test-input/parenthesis.txt"],
    "expectedout" : "<<10>><<20>><<30>><<40>><<1>>"
    },
    {
    "name"        : "comments, cmd contains hashmark",
    "cmdline"     : "x/[0-9]+/ S/### / ###/",
    "files"       : ["test-input/parenthesis.txt"],
    "expectedout" : "### 10 ###### 20 ###### 30 ###### 40 ###### 1 ###"
    },

    {
    "name"           : "options, invalid short option",
    "options"        : ["-w"],
    "cmdline"        : "",
    "files"          : ["test-input/helloworld.txt"],
    "expectedout"    : "hello world!",
    "shouldprinterr" : true
    },
    {
    "name"           : "options, invalid long option",
    "options"        : ["--foo"],
    "cmdline"        : "",
    "files"          : ["test-input/helloworld.txt"],
    "expectedout"    : "hello world!",
    "shouldprinterr" : true
    },
    {
    "name"        : "options, -B, + not escaped",
    "options"     : ["-B"],
    "cmdline"     : "x/[0-9]+/",
    "files"       : ["test-input/code.py"],
    "expectedout" : ""
    },
    {
    "name"        : "options, -B, + escaped",
    "options"     : ["-B"],
    "cmdline"     : "x/[0-9]\\\\+/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "1020304250"
    },
    {
    "name"        : "options, -E, + not escaped",
    "options"     : ["-E"],
    "cmdline"     : "x/[0-9]+/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "1020304250"
    },
    {
    "name"        : "options, -E, + escaped",
    "options"     : ["-E"],
    "cmdline"     : "x/[0-9]\\\\+/",
    "files"       : ["test-input/code.py"],
    "expectedout" : ""
    },
    {
    "name"        : "options, --basic-regexp, + not escaped",
    "options"     : ["--basic-regexp"],
    "cmdline"     : "x/[0-9]+/",
    "files"       : ["test-input/code.py"],
    "expectedout" : ""
    },
    {
    "name"        : "options, --basic-regexp, + escaped",
    "options"     : ["--basic-regexp"],
    "cmdline"     : "x/[0-9]\\\\+/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "1020304250"
    },
    {
    "name"        : "options, --extended-regexp, + not escaped",
    "options"     : ["--extended-regexp"],
    "cmdline"     : "x/[0-9]+/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "1020304250"
    },
    {
    "name"        : "options, --extended-regexp, + escaped",
    "options"     : ["--extended-regexp"],
    "cmdline"     : "x/[0-9]\\\\+/",
    "files"       : ["test-input/code.py"],
    "expectedout" : ""
    },
    {
    "name"        : "options, -i",
    "options"     : ["-i"],
    "cmdline"     : "x/[A-Z]/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "helloworld"
    },
    {
    "name"        : "options, --ignorecase",
    "options"     : ["--ignorecase"],
    "cmdline"     : "x/[A-Z]/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "helloworld"
    },
    {
    "name"        : "options, -N",
    "options"     : ["-N"],
    "cmdline"     : "x/.*\n/ g/--/",
    "files"       : ["test-input/parenthesis.txt"],
    "expectedout" : "() <-- empty at line start\nempty at line end  --> ()\n"
    },
    {
    "name"        : "options, --reg-newline",
    "options"     : ["--reg-newline"],
    "cmdline"     : "x/.*\n/ g/--/",
    "files"       : ["test-input/parenthesis.txt"],
    "expectedout" : "() <-- empty at line start\nempty at line end  --> ()\n"
    },

    {
    "name"        : "error-prone regexes, ^ with x",
    "cmdline"     : "x/^/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "error-prone regexes, ^ with y",
    "cmdline"     : "y/^/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "error-prone regexes, ^ with g",
    "cmdline"     : "g/^/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "error-prone regexes, ^ with v",
    "cmdline"     : "v/^/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "error-prone regexes, ^ with s",
    "cmdline"     : "s/^/!/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "!hello world!"
    },
    {
    "name"        : "error-prone regexes, $ with x",
    "cmdline"     : "x/$/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "error-prone regexes, $ with y",
    "cmdline"     : "y/$/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "error-prone regexes, $ with g",
    "cmdline"     : "g/$/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "error-prone regexes, $ with v",
    "cmdline"     : "v/$/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "error-prone regexes, $ with s",
    "cmdline"     : "s/$/!/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!!"
    },
    {
    "name"        : "error-prone regexes, ^$ with x",
    "cmdline"     : "x/^$/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "error-prone regexes, ^$ with y",
    "cmdline"     : "y/^$/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "error-prone regexes, ^$ with g",
    "cmdline"     : "g/^$/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "error-prone regexes, ^$ with v",
    "cmdline"     : "v/^$/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "error-prone regexes, ^$ with s",
    "cmdline"     : "s/^$/!/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "error-prone regexes, .* with x",
    "cmdline"     : "x/.*/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "error-prone regexes, .* with y",
    "cmdline"     : "y/.*/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "error-prone regexes, .* with g",
    "cmdline"     : "g/.*/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "hello world!"
    },
    {
    "name"        : "error-prone regexes, .* with v",
    "cmdline"     : "v/.*/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : ""
    },
    {
    "name"        : "error-prone regexes, .* with s",
    "cmdline"     : "s/.*/!/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : "!"
    },

    {
    "name"        : "stress, large input",
    "cmdline"     : "L g/[^0-9]424[0-9]/",
    "files"       : ["test-input/large_input.txt"],
    "expectedout" : "  4240\tThis line is a little redundant...\n  4241\tThis line is a little redundant...\n  4242\tThis line is a little redundant...\n  4243\tThis line is a little redundant...\n  4244\tThis line is a little redundant...\n  4245\tThis line is a little redundant...\n  4246\tThis line is a little redundant...\n  4247\tThis line is a little redundant...\n  4248\tThis line is a little redundant...\n  4249\tThis line is a little redundant...\n",
    "timeout"     : 1200
    },
    {
    "name"        : "stress, long cmdline",
    "cmdline"     : "x/[0-9]+/ u x/[0-9]+/ u  x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/ u x/[0-9]+/",
    "files"       : ["test-input/code.py"],
    "expectedout" : "1020304250"
    },
    {
    "name"        : "stress, many input files",
    "cmdline"     : "x/1[02468]/",
    "files"       : ["test-input/small1", "test-input/small2", "test-input/small3", "test-input/small4", "test-input/small5",
                     "test-input/small6", "test-input/small7", "test-input/small8", "test-input/small9", "test-input/small10",
                     "test-input/small11", "test-input/small12", "test-input/small13", "test-input/small14", "test-input/small15",
                     "test-input/small16", "test-input/small17", "test-input/small18", "test-input/small19", "test-input/small20"],
    "expectedout" : "1012141618"
    },
    {
    "name"        : "stress, extcmd <, large output",
    "cmdline"     : "</seq 10000/",
    "files"       : ["test-input/helloworld.txt"],
    "expectedout" : 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9352\n9353\n9354\n9355\n9356\n9357\n9358\n9359\n9360\n9361\n9362\n9363\n9364\n9365\n9366\n9367\n9368\n9369\n9370\n9371\n9372\n9373\n9374\n9375\n9376\n9377\n9378\n9379\n9380\n9381\n9382\n9383\n9384\n9385\n9386\n9387\n9388\n9389\n9390\n9391\n9392\n9393\n9394\n9395\n9396\n9397\n9398\n9399\n9400\n9401\n9402\n9403\n9404\n9405\n9406\n9407\n9408\n9409\n9410\n9411\n9412\n9413\n9414\n9415\n9416\n9417\n9418\n9419\n9420\n9421\n9422\n9423\n9424\n9425\n9426\n9427\n9428\n9429\n9430\n9431\n9432\n9433\n9434\n9435\n9436\n9437\n9438\n9439\n9440\n9441\n9442\n9443\n9444\n9445\n9446\n9447\n9448\n9449\n9450\n9451\n9452\n9453\n9454\n9455\n9456\n9457\n9458\n9459\n9460\n9461\n9462\n9463\n9464\n9465\n9466\n9467\n9468\n9469\n9470\n9471\n9472\n9473\n9474\n9475\n9476\n9477\n9478\n9479\n9480\n9481\n9482\n9483\n9484\n9485\n9486\n9487\n9488\n9489\n9490\n9491\n9492\n9493\n9494\n9495\n9496\n9497\n9498\n9499\n9500\n9501\n9502\n9503\n9504\n9505\n9506\n9507\n9508\n9509\n9510\n9511\n9512\n9513\n9514\n9515\n9516\n9517\n9518\n9519\n9520\n9521\n9522\n9523\n9524\n9525\n9526\n9527\n9528\n9529\n9530\n9531\n9532\n9533\n9534\n9535\n9536\n9537\n9538\n9539\n9540\n9541\n9542\n9543\n9544\n9545\n9546\n9547\n9548\n9549\n9550\n9551\n9552\n9553\n9554\n9555\n9556\n9557\n9558\n9559\n9560\n9561\n9562\n9563\n9564\n9565\n9566\n9567\n9568\n9569\n9570\n9571\n9572\n9573\n9574\n9575\n9576\n9577\n9578\n9579\n9580\n9581\n9582\n9583\n9584\n9585\n9586\n9587\n9588\n9589\n9590\n9591\n9592\n9593\n9594\n9595\n9596\n9597\n9598\n9599\n9600\n9601\n9602\n9603\n9604\n9605\n9606\n9607\n9608\n9609\n9610\n9611\n9612\n9613\n9614\n9615\n9616\n9617\n9618\n9619\n9620\n9621\n9622\n9623\n9624\n9625\n9626\n9627\n9628\n9629\n9630\n9631\n9632\n9633\n9634\n9635\n9636\n9637\n9638\n9639\n9640\n9641\n9642\n9643\n9644\n9645\n9646\n9647\n9648\n9649\n9650\n9651\n9652\n9653\n9654\n9655\n9656\n9657\n9658\n9659\n9660\n9661\n9662\n9663\n9664\n9665\n9666\n9667\n9668\n9669\n9670\n9671\n9672\n9673\n9674\n9675\n9676\n9677\n9678\n9679\n9680\n9681\n9682\n9683\n9684\n9685\n9686\n9687\n9688\n9689\n9690\n9691\n9692\n9693\n9694\n9695\n9696\n9697\n9698\n9699\n9700\n9701\n9702\n9703\n9704\n9705\n9706\n9707\n9708\n9709\n9710\n9711\n9712\n9713\n9714\n9715\n9716\n9717\n9718\n9719\n9720\n9721\n9722\n9723\n9724\n9725\n9726\n9727\n9728\n9729\n9730\n9731\n9732\n9733\n9734\n9735\n9736\n9737\n9738\n9739\n9740\n9741\n9742\n9743\n9744\n9745\n9746\n9747\n9748\n9749\n9750\n9751\n9752\n9753\n9754\n9755\n9756\n9757\n9758\n9759\n9760\n9761\n9762\n9763\n9764\n9765\n9766\n9767\n9768\n9769\n9770\n9771\n9772\n9773\n9774\n9775\n9776\n9777\n9778\n9779\n9780\n9781\n9782\n9783\n9784\n9785\n9786\n9787\n9788\n9789\n9790\n9791\n9792\n9793\n9794\n9795\n9796\n9797\n9798\n9799\n9800\n9801\n9802\n9803\n9804\n9805\n9806\n9807\n9808\n9809\n9810\n9811\n9812\n9813\n9814\n9815\n9816\n9817\n9818\n9819\n9820\n9821\n9822\n9823\n9824\n9825\n9826\n9827\n9828\n9829\n9830\n9831\n9832\n9833\n9834\n9835\n9836\n9837\n9838\n9839\n9840\n9841\n9842\n9843\n9844\n9845\n9846\n9847\n9848\n9849\n9850\n9851\n9852\n9853\n9854\n9855\n9856\n9857\n9858\n9859\n9860\n9861\n9862\n9863\n9864\n9865\n9866\n9867\n9868\n9869\n9870\n9871\n9872\n9873\n9874\n9875\n9876\n9877\n9878\n9879\n9880\n9881\n9882\n9883\n9884\n9885\n9886\n9887\n9888\n9889\n9890\n9891\n9892\n9893\n9894\n9895\n9896\n9897\n9898\n9899\n9900\n9901\n9902\n9903\n9904\n9905\n9906\n9907\n9908\n9909\n9910\n9911\n9912\n9913\n9914\n9915\n9916\n9917\n9918\n9919\n9920\n9921\n9922\n9923\n9924\n9925\n9926\n9927\n9928\n9929\n9930\n9931\n9932\n9933\n9934\n9935\n9936\n9937\n9938\n9939\n9940\n9941\n9942\n9943\n9944\n9945\n9946\n9947\n9948\n9949\n9950\n9951\n9952\n9953\n9954\n9955\n9956\n9957\n9958\n9959\n9960\n9961\n9962\n9963\n9964\n9965\n9966\n9967\n9968\n9969\n9970\n9971\n9972\n9973\n9974\n9975\n9976\n9977\n9978\n9979\n9980\n9981\n9982\n9983\n9984\n9985\n9986\n9987\n9988\n9989\n9990\n9991\n9992\n9993\n9994\n9995\n9996\n9997\n9998\n9999\n10000\n"
    },
    {
    "name"        : "stress, extcmd >, large input",
    "options"     : ["-n"],
    "cmdline"     : ">/tail -5/",
    "files"       : ["test-input/large_input.txt"],
    "expectedout" : " 19996\tThis line is a little redundant...\n 19997\tThis line is a little redundant...\n 19998\tThis line is a little redundant...\n 19999\tThis line is a little redundant...\n 20000\tThis line is a little redundant...\n"
    },
    {
    "name"        : "stress, extcmd |, large input",
    "cmdline"     : "|/tail -5/ L g/199/",
    "files"       : ["test-input/large_input.txt"],
    "expectedout" : " 19996\tThis line is a little redundant...\n 19997\tThis line is a little redundant...\n 19998\tThis line is a little redundant...\n 19999\tThis line is a little redundant...\n"
    }
]