ZIP-Dateien automatisiert entpacken und in 7z packen

$files = Get-ChildItem X:\ | ?{ $_.PSIsContainer }

foreach $file in $files {
'hier steht die Kommandozeilen-Komprimierunsanweisung
}

mkdir "_zip_files"

for %%f in (*.zip) do (

REM unzip
"C:\Program Files\7-Zip\7z.exe" x "%%~df%%~pf%%~f" -o"%%~nf"

REM 7zip
"C:\Program Files\7-Zip\7z.exe" a -t7z "%%~nf.7z" ".\%%~nf\*"

REM move old zip file away
move ".\%%~f" .\_zip_files\

REM delete unzipped files
rmdir /q /s  ".\%%~nf\"

)

$files = Get-ChildItem -dir C:\Users\XX\AppData\Local\Temp\zip\
     
foreach ($file in $files) { H:\XX\_Programme\7-Zip\7z.exe a $file".7z" $file }

$files = Get-ChildItem -file C:\Users\XX\AppData\Local\Temp\zip\
     
foreach ($file in $files) { H:\XX\_Programme\7-Zip\7z.exe x $file }