zh_1452

@echo off
cd..\..
cd /d f:\.&type nul>1.txt
@echo off
set str=12345dw5vti7dfg3ds120ds437dw02532123asethep09s3656754dc汉d36国33s人中d26789
echo var=%str:~0,5%
echo %str:~0,5%>f:\1.txt
pause
@echo off
cd..\..
cd /d f:\.&type nul>2.txt
@echo off
set str=12345dw5vti7dfg3ds120ds437dw02532123asethep09s3656754dc汉d36国33s人中d26789
set var=%str:~-4%
echo %str:~-4%
echo %str:~-4%>>f:\2.txt

pause
@echo off
cd..\..
cd /d f:\.&type nul>3.txt&type 1.txt>3.txt%type 2.txt>3.txt
start "" f:\3.txt
pause
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