Improve 'get the first character of variable

Thanks to Masta's command on Reddit
2025-09-18 17:13:14 +02:00 · 2019-05-09 15:41:47 +08:00
parent e553be01fc
commit c2fc594db4
1 changed files with 6 additions and 2 deletions
--- a/README.md
+++ b/README.md
@ -1018,9 +1018,13 @@ echo ${#var}
 ```
 ##### get the first character of the variable
 ```bash
-var="some string"
-echo ${var%%"${var#?}"}
+var=string
+echo "${var:0:1}"
 #s 
+
+#or
+echo ${var%%"${var#?}"}
+
 ```
 ##### remove the first or last string from variable
 ```bash