Data commit

Task/String-length/Batch-File/string-length.bat

@@ -0,0 +1,17 @@
+@echo off
+setlocal enabledelayedexpansion
+call :length %1 res
+echo length of %1 is %res%
+goto :eof
+
+:length
+set str=%~1
+set cnt=0
+:loop
+if "%str%" equ "" (
+	set %2=%cnt%
+	goto :eof
+	)
+set str=!str:~1!
+set /a cnt = cnt + 1
+goto loop