powershell "if(((gc '*.txt') -join \"`r`n\") -match '\"publish\" content=\"published at (.+?) from mysteel-publish-web\"'){$matches[1]}"
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powershell "if(((gc '*.txt') -join \"`r`n\") -match '\"publish\" content=\"published at (.+?) from mysteel-publish-web\"'){$matches[1]};get-childItem  -r *.txt | rename-Item -newname{$matches[1]+'.txt'}"
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@echo off
setlocal enabledelayedexpansion
cd /d "%~dp0"
for /f "delims=" %%a in ('dir /b /a-d *.txt') do (
    call :ChangeName "%%a"
    ren "%%a" "!NewName!%%~xa"
)
goto :eof

:ChangeName
for /f "skip=8 tokens=3 delims==" %%i in ('type %1') do (
    set "str=%%i"
    goto :GetName
)
goto :eof

:GetName
set "NewName=!str:~14,19!"
set "NewName=!NewName::=!"
goto :eof
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