Pipex is a simple implementation of a Unix pipeline. It takes an input file, processes it through two commands, and outputs the result to an output file. This project is a great way to understand how pipes and process management work in Unix-like operating systems.
To compile the project, run the following command:
make
This will generate the pipex executable.
To run the program, use the following command:
./pipex infile cmd1 cmd2 outfile
infile: The input file.cmd1: The first command to execute.cmd2: The second command to execute.outfile: The output file.
Example:
./pipex input.txt "grep hello" "wc -l" output.txt
This command will take input.txt, run grep hello on it, then pipe the result to wc -l, and finally write the output to output.txt.
int main(int argc, char **argv, char **env): Entry point of the program.int pipex(t_pipex_args *args): Manages the creation of pipes and processes.
void ft_putstr_fd(char *s, int fd): Writes a string to a file descriptor.char *ft_strjoin(char const *s1, char const *s2): Concatenates two strings.size_t ft_strlen(const char *s): Calculates the length of a string.int ft_strncmp(const char *s1, const char *s2, size_t n): Compares two strings up to n characters.char **ft_split(char const *s, char c): Splits a string by a delimiter.char *get_path_variable(char **env): Retrieves the PATH environment variable.char *search_command_in_paths(char *cmd, char **paths): Searches for a command in the given paths.
static void child_process(int pipefd[2], char *infile, char *cmd, char **env): Handles the child process.static void parent_process(int pipefd[2], char *outfile, char *cmd, char **env): Handles the parent process.
Contributions are welcome! Please open an issue or submit a pull request for any improvements or bug fixes.