gistfile1.sh

oldIFS=$IFS
IFS=$'\n'

cd $BUILT_PRODUCTS_DIR
for file in `find . -type f -name *.png`
do
    filename=$(basename $file)
    filename=${filename%.*}
    dirname=$(dirname $file)
    if [ "${filename: -3}" == "@2x" ]
    then
        filename="${filename%@2x}.png"
    else
        filename="[email protected]"
    fi
    if [ ! -f "$dirname/$filename" ]
    then
        echo "warning: $filename was not found"
    fi
done
IFS=oldIFS