545810831

@echo off
setlocal enabledelayedexpansion 
set _1=.
set _2=aaaaaaaaaa
set _3=bbbbbb bbbb
:sta
set a=0
set /a m+=1
for /f "delims=" %%i in ('findstr  "!_%m%!" 1.txt') do echo %%i&set /a a+=1 
if %m% equ 1 echo 总行数:!a!
if %m% equ 2 echo 含!_%m%!:为!a!次数
if %m% equ 3 echo 含!_%m%!:为!a!次数
if %m% lss 3 goto sta
pause
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