Downgrade HEIC Scale + Quality

function heicSE() { local bkup_file=~/Pictures/heic.tar ; local dims_per=50 ; [[ ! -z "$1" ]] && dims_per=$1 ; local img_ext="jpg" ; [[ ! -z "$2" ]] && img_ext="$2" ; local qual_per=80 ; [[ ! -z "$3" ]] && qual_per=$3 ; printf "Normalizing HEIC extensions...\n" ; for f in *.HEIC; do printf "  %s --> %s ..." "$f" "${f%.*}.heic" ; mv "$f" "${f%.*}.heic" ; echo ; done ; echo ; printf "HEIC total bytes: %s\n\n" "`du -ch *.heic | sed -n '$p;' | awk '{print $1}'`" ; printf "Backing up src *.heic ...\n" ; tar -rvf $bkup_file *.heic ; echo ; cnt=0; tot=$(ls -1 *.heic | wc -l | awk '{print $1}') ; printf "Converting %d to %s w/ %3d%% quality @ %3d%% size...\n" $tot "`<<<$img_ext tr '[:lower:]' '[:upper:]'`" $qual_per $dims_per ; for f in *.heic; do cnt=$(( cnt+1 )) ; f2="${f%.*}.${img_ext}" ; printf "(%02d/%02d) %s [%-4s]-=/> %s ..." $cnt $tot "$f" "`du -h "$f" | awk '{print $1}'`" "$f2" ; convert "$f" -scale "${dims_per}%" -quality "${qual_per}%" "$f2" ; printf "[%s] // EXIF & touching..." "`du -h "$f2" | awk '{print $1}'`" ; exiftool -quiet -quiet -ignoreMinorErrors -preserve -overwrite_original_in_place -progress: -tagsFromFile "$f" "$f2" ; touch -r "$f" "$f2" ; echo ; done ; echo ; printf "Removing src *.heic ..." ; rm -f *.heic ; echo ; ls -plah -tr ; printf "%s total bytes: %s\n\n" "`<<<$img_ext tr '[:lower:]' '[:upper:]'`" "`du -ch *.${img_ext} | sed -n '$p;' | awk '{print $1}'`" ; exiftool -fast -all -g -U -json -progress: -ext "$img_ext" . | jq -C '.' | less ;}