to_upper() idiomatic alternative

2023-06-15 10:57:51 +01:00 · 2023-06-15 10:57:51 +01:00 · 5f17519cfe
parent ac164c6b4e
commit 5f17519cfe
1 changed files with 1 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -2193,6 +2193,7 @@ to_upper() {

  ptr=${ptr^^}
 }
+# Alternative: to_upper() { eval "${1}"="${!1^^}";}

 foo="bar"
 to_upper foo