<# :
@echo off
PowerShell -c ". ([ScriptBlock]::Create((gc -Literal '%~f0') -join \"`r`n\")) '%~dp0'"
pause & exit/b
#>

param([string]$path);
$reg = '^(\d\d:\d\d:\d\d,\d\d\d)\s*-->\s*(\d\d:\d\d:\d\d,\d\d\d)$';

forEach( $file In (dir -Literal $path -Filter *.srt) ){
    $arr = gc -Literal $file.FullName -Enc UTF8 -ReadCount 0;
    $count = $arr.Count;
    for( $i = 0; $i -lt $count; $i++ ){
        if( $arr[$i] -match $reg ){
            $T1 = [DateTime]$matches[1].Replace(',', '.');
            $T2 = [DateTime]$matches[2].Replace(',', '.');
            if( ($T2 - $T1).TotalSeconds -gt 5 ){
                $arr[$i] = $matches[1] + ' --> ' + $T1.AddSeconds(5).ToString('HH:mm:ss,fff');
            }
        }
    }
    sc -Literal $file.FullName -Enc UTF8 -Value $arr;
}
复制代码