[文本处理] 【已解决】BAT：如何批量删除txt文本内数据间的空格，并添加固定字符

@echo off&setlocal enabledelayedexpansion
pushd "D:/数据/"
for /f "delims=" %%i in ('dir /b /a-d *.txt') do (
    (for /f "usebackq delims=" %%j in ("%%i") do (
        set "str=%%j"
        echo;!str: =!=1-3
    ))>"%temp%\$"
    move "%temp%\$" "%%i" >nul
)
pause
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@echo off
for /r d:\数据\ %%i in (*txt) do (
    for /f "usebackq delims=" %%b in ("%%~fi") do (
        call :a "%%b"
        )
    move /y $β "%%~fi" >nul
)
pause&exit
:a
(for %%a in (%~1) do (
    set/p=%%a<nul
) 
echo,=1-3)>>$β
goto :eof
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for /f "delims=" %%i in ('dir /b/aa d:\数据\*txt') do (
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