Shell script to optimize PNG and JPEG from XFCE - Thunar

webimage.sh

#!/bin/bash
for f in $@ #can be list of files
do
 imagename=$(echo "$f" | cut -f 1 -d '.')
 imagetype=$(echo "$f" | cut -f 2 -d '.')
 outfile=$imagename"-web."$imagetype
 
 if [ "$imagetype" = "png" ]
 then #it's a PNG 
  gm convert $f -resize 1200 -enhance +profile "*" $outfile
  pngquant $outfile
  notify-send "Created optimized PNG image"
 else [ "$imagetype" = "jpg" ] || [ "$imagetype" = "jpeg" ] #it's an JPEG
  gm convert $f -resize 1200 -enhance -quality 70 +profile "*" $outfile
  jpegoptim $outfile 
  notify-send "Created Optimized JPEG image"
fi
done