countspace.bat

高手lxmxn收集的批处理。包括了批处理教程和他写的几十个很经典的代码。

::code by lxmxn @ cn-dos.net
::19:20 2006-12-28
::检测字符串中的空格数.bat

@echo off&setlocal EnableDelayedExpansion
:begin
cls
set num=0
set b=0
set/p str=请输入要检测的字符串：
if "%str%"=="" (echo 输入错误，请重新输入……&& pause>nul && goto begin)
:redo
if "!str:~%num%,1!"==" " set /a b+=1
set /a num+=1
if "!str:~%num%,1!"=="" goto end
goto redo

:end
echo 字符串[%str%]中空格的个数为【%b%】.
pause&endlocal
set str=
set b=
set num=
goto :eof
::Finish_19:49 2006-12-28