@echo off
:: 把多行文本拼接成用;连接的一行
:: <NUL
for /f "tokens=*" %%i in (源文件.txt) do set /p "var=%%i;" >目标文件.txt
exit
另一种方法：
set tmpstr=
setlocal enabledelayedexpansion
for /f "tokens=*" %%i in (1.txt) do set tmpstr=!tmpstr! %%i
echo %tmpstr%
pause
exit
还有一种不启用变量延迟的方法，能兼容除英文双引号外的所有特殊字符：
@echo off
:: code by jm 2006-12-14
for /f "delims=" %%i in (1.txt) do call set "var=%%var%%%%i"
echo "%var%"
pause
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