Created
May 4, 2017 17:54
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#!/bin/bash | |
ARGC=$# | |
# if no directory specified, use current | |
if [ $ARGC -eq 0 ] | |
then | |
BASEDIR=${PWD} | |
else | |
BASEDIR=${1} | |
fi | |
cd ${BASEDIR} | |
# list one file per line excluding those that contains '@2x' in the filename | |
# use the output to feed the 'while' loop | |
ls -1 | grep -v \@2x | while read FILENAME | |
do | |
BASENAME="${FILENAME%.*}" | |
EXT="${FILENAME##*.}" | |
FILENAME2X="${BASENAME}@2x.${EXT}" | |
# if no corresponding @2x file exists, skip it | |
if [ ! -f "${FILENAME2X}" ] | |
then | |
continue | |
fi | |
# get the dimensions for both 1x and 2x images | |
W1=`sips -g pixelWidth "${FILENAME}" | grep pixelWidth | awk '{ print $2 }'` | |
H1=`sips -g pixelHeight "${FILENAME}" | grep pixelHeight | awk '{ print $2 }'` | |
W2=`sips -g pixelWidth "${FILENAME2X}" | grep pixelWidth | awk '{ print $2 }'` | |
H2=`sips -g pixelHeight "${FILENAME2X}" | grep pixelHeight | awk '{ print $2 }'` | |
# calculate double the sizes of 1x | |
DW1=`expr ${W1} \* 2` | |
DH1=`expr ${H1} \* 2` | |
# check for inequality between the calculated values and the actual 2x image sizes | |
if [ ${DW1} -ne ${W2} -o ${DH1} -ne ${H2} ] | |
then | |
echo "${FILENAME} / ${FILENAME2X}" | |
if [ ${DW1} -ne ${W2} ] | |
then | |
echo "width: ${W1}/${W2}" | |
fi | |
if [ ${DH1} -ne ${H2} ] | |
then | |
echo "height: ${H1}/${H2}" | |
fi | |
echo | |
fi | |
done |
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