check for OBJC_IMAGE_SUPPORTS_GC (Applications still using the objective-C Garbage Collector) for macOS Sierra compatibility

#!/bin/bash

checkFile(){
 FILE=$1
 OTOOL=`which otool`
 TAIL=`which tail`
 IFS='/' read -ra ADDR <<< "$FILE"
 unset APP
 for i in "${ADDR[@]}"; do
 if [[ ! "${i-}" = $'\n' ]]; then
 if [[ ! $APP ]] && [[ "$i" == *.app ]]; then
 APP="${i}"; 
 fi
 fi
 done
 if [ "$APP" != "$LASTAPP" ]; then
 LASTAPP=$APP
 PROG=${APP%".app"}
 PATH=${FILE%"/Contents/Info.plist"}
 if [[ -f ${PATH}/Contents/MacOS/${PROG} ]]; then
 CMD=`${OTOOL} -oV "${PATH}/Contents/MacOS/${PROG}" | ${TAIL} -3`
 if [[ $CMD == *"OBJC_IMAGE_SUPPORTS_GC"* ]]; then
 echo "${PATH}: false";
 echo "$CMD";
 #else 
 # echo "${PATH}: true";
 fi

 fi 
 fi
}

export -f checkFile


LASTAPP="null"

find / -path "*.app/Contents/Info.plist" -exec bash -c 'checkFile "$0"' {} \;