Assuming the current directory contains a bunch of PNGs.
for file in `ls *.png`
do
extension="${file##*.}"
base="${file%.*}"
convert "$file" -quality 60 "${base}.jpg"
done
Assuming the current directory contains a bunch of PNGs.
for file in `ls *.png`
do
extension="${file##*.}"
base="${file%.*}"
convert "$file" -quality 60 "${base}.jpg"
done