convert images and rename in files

gistfile1.txt

cp -r dir1 dir1_copy

#find ./dir1_copy -type f -iname "*.jpg" -exec sh -c "echo {}; mogrify -format png {}; rm {}" \;

find ./dir1_copy -type f -name "*.jpg" -exec sh -c 'echo $1; convert "$1" "${1%.jpg}.png"; rm $1' _ {} \;

find ./dir1_copy -type f -iname "*.txt" -exec sh -c "echo {}; sed -i 's/\.jpg\"/\.png\"/g' {}" \;