[文本处理] 如何将一段代码在批处理中执行，写到txt文本中

@echo off
cd /d "%~dp0"
>"b.txt" (
	echo if "%%1"=="hide" goto CmdBegin
	echo start mshta vbscript:createobject^("wscript.shell"^).run^("""%%~0"" hide",0^)^(window.close^)^&^&exit
	echo :CmdBegin
)
pause
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@echo off
cd /d "%~dp0"
more +5 "%~f0" > "b.txt"
pause
exit
if "%1"=="hide" goto CmdBegin
start mshta vbscript:createobject("wscript.shell").run("""%~0"" hide",0)(window.close)&&exit
:CmdBegin
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