From fa9a9f6668b9589dc513957fa2939cb3f6454d4c Mon Sep 17 00:00:00 2001
From: lens0021 <lorentz0021@gmail.com>
Date: Mon, 25 Nov 2024 22:07:46 +0900
Subject: [PATCH 1/4] Use the bash native capitalizing method if available, or
 fallback to other functions

---
 src/std/text.ab | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/std/text.ab b/src/std/text.ab
index 0ad3bbba..3d620575 100644
--- a/src/std/text.ab
+++ b/src/std/text.ab
@@ -142,8 +142,26 @@ pub fun char_at(text: Text, index: Num): Text {
 }
 
 /// Capitalize the first letter of the given `text`.
+#[allow_absurd_cast]
 pub fun capitalize(text: Text): Text {
-    return trust $ echo "{text}" | sed "s/^\(.\)/\U\1/" $
+    trust {
+        if len(text) == 0: return text
+        const bash_version = $ echo \"\$\{BASH_VERSINFO[0]}\" $ as Num
+        if {
+            bash_version >= 4 {
+                return $ echo \"\$\{text^}\" $
+            } else {
+                // GNU sed supports \U
+                $ re='\bCopyright\b.+\bFree Software Foundation\b'; [[ \$(sed --version 2>/dev/null) =~ \$re ]] $
+                if status == 0:
+                    return trust $ echo "{text}" | sed "s/^\(.\)/\U\1/" $
+                else {
+                    let first_letter = upper(char_at(text, 0)) 
+                    return first_letter + slice(text, 1)
+                }
+            }
+        }
+    }
 }
 
 /// Pads `text` with the specified `pad` character on left until it reaches the desired `length`.
@@ -166,3 +184,7 @@ pub fun rpad(text: Text, pad: Text, length: Num): Text {
 pub fun zfill(text: Text, length: Num): Text {
     return lpad(text, "0", length)
 }
+
+main(args) {
+    echo capitalize("aaa")
+}

From a8186e3c8626f9e0dce0c83175eb2ea7c78ab54e Mon Sep 17 00:00:00 2001
From: Lens0021 / Leslie <lorentz0021@gmail.com>
Date: Tue, 26 Nov 2024 22:55:22 +0900
Subject: [PATCH 2/4] Remove redundant trust

---
 src/std/text.ab | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/std/text.ab b/src/std/text.ab
index 3d620575..b9339f3a 100644
--- a/src/std/text.ab
+++ b/src/std/text.ab
@@ -154,7 +154,7 @@ pub fun capitalize(text: Text): Text {
                 // GNU sed supports \U
                 $ re='\bCopyright\b.+\bFree Software Foundation\b'; [[ \$(sed --version 2>/dev/null) =~ \$re ]] $
                 if status == 0:
-                    return trust $ echo "{text}" | sed "s/^\(.\)/\U\1/" $
+                    return $ echo "{text}" | sed "s/^\(.\)/\U\1/" $
                 else {
                     let first_letter = upper(char_at(text, 0)) 
                     return first_letter + slice(text, 1)

From c3028a90b9c5f27fa011a3931358d5abf49dc864 Mon Sep 17 00:00:00 2001
From: Lens0021 / Leslie <lorentz0021@gmail.com>
Date: Tue, 26 Nov 2024 23:24:42 +0900
Subject: [PATCH 3/4] cleanup

---
 src/std/text.ab | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/std/text.ab b/src/std/text.ab
index b9339f3a..20ccef16 100644
--- a/src/std/text.ab
+++ b/src/std/text.ab
@@ -184,7 +184,3 @@ pub fun rpad(text: Text, pad: Text, length: Num): Text {
 pub fun zfill(text: Text, length: Num): Text {
     return lpad(text, "0", length)
 }
-
-main(args) {
-    echo capitalize("aaa")
-}

From c0a60e4a65fbbe2b0ffa34aba572ffb434be6214 Mon Sep 17 00:00:00 2001
From: lens0021 <lorentz0021@gmail.com>
Date: Wed, 27 Nov 2024 09:30:17 +0900
Subject: [PATCH 4/4] Flatten if chain

Co-authored-by: hdwalters <huw.walters@gmail.com>
---
 src/std/text.ab | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/src/std/text.ab b/src/std/text.ab
index 20ccef16..6a94a4e9 100644
--- a/src/std/text.ab
+++ b/src/std/text.ab
@@ -145,22 +145,20 @@ pub fun char_at(text: Text, index: Num): Text {
 #[allow_absurd_cast]
 pub fun capitalize(text: Text): Text {
     trust {
-        if len(text) == 0: return text
+        if len(text) == 0 {
+            return text
+        }
         const bash_version = $ echo \"\$\{BASH_VERSINFO[0]}\" $ as Num
-        if {
-            bash_version >= 4 {
-                return $ echo \"\$\{text^}\" $
-            } else {
-                // GNU sed supports \U
-                $ re='\bCopyright\b.+\bFree Software Foundation\b'; [[ \$(sed --version 2>/dev/null) =~ \$re ]] $
-                if status == 0:
-                    return $ echo "{text}" | sed "s/^\(.\)/\U\1/" $
-                else {
-                    let first_letter = upper(char_at(text, 0)) 
-                    return first_letter + slice(text, 1)
-                }
-            }
+        if bash_version >= 4 {
+            return $ echo \"\$\{text^}\" $
+        }
+        // GNU sed supports \U
+        $ re='\bCopyright\b.+\bFree Software Foundation\b'; [[ \$(sed --version 2>/dev/null) =~ \$re ]] $
+        if status == 0 {
+            return $ echo "{text}" | sed "s/^\(.\)/\U\1/" $
         }
+        const first_letter = upper(char_at(text, 0)) 
+        return first_letter + slice(text, 1)
     }
 }