随风

1

@echo off
for /f "delims=" %%a in (a.txt) do call set "str=%%str%%%%a"
set "str= %str% "
set "str=%str: you = me %"
set "str=%str: you. = me. %"
echo %str:~1,-1%
pause
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2

@echo off
for /f "delims=" %%a in (a.txt) do call set "str=%%str%%%%a"
set "str=%str::=:&echo\ %"
set "str=%str:.=.&echo\ %"
(echo %str%)>>b.txt
start "" "b.txt"
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[ 本帖最后由 随风 于 2008-8-30 17:57 编辑 ]