Bash: check if a zip or a rar file has password-protection

If you need to check if zip or rar file has password protection you can do it this way.

For zip fip:

crypted=$( 7z l -slt -- $file | grep -i -c "Encrypted = +" )
if [ "$crypted" -eq "1" ]; then
    protected=1
fi

And for rar:

unrar x -p- -y -o+ "$file" 1> /dev/null 2> /dev/null
if [ "$?" -eq "3" ] ; then
    unrar x -p$password -y -o+ "$file" 1> /dev/null 2> /dev/null
fi

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