/media/sda-magnetic/david/Dokumente-16-2024-08-01/informatikUmathematik/uebungen20240906/20240824b/shrink.sh

#!/bin/bash

l=$(ls)

mkdir shrink

for s in $l
do
            if [[ $(file -b $s) =~ PNG ]]
            then
               convert -resize 20% $s "$s"
               echo $t
            elif [[ $(file -b $s) =~ JPEG ]]
            then
                convert -resize 20% $s "$s"
                echo $t
            fi
done