#!/bin/bash IMG_FOLDER="." IMG_ARR=($(find ${IMG_FOLDER} -name '*.jp*g')) for IMG in ${IMG_ARR[@]}; do echo ${IMG} convert "$IMG" "$(echo $IMG | sed 's/jp[e]\?g/png/g')" rm ${IMG} done #for file in *g ; do #convert "$file" -resize x1080 $(echo "NEW/${file}" | sed 's/jp[e]\?g/png/g') #done