Created
February 25, 2014 22:01
-
-
Save acrookston/9218807 to your computer and use it in GitHub Desktop.
Downsamples all retina @2x.png images
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
# Downsamples all retina ...@2x.png images. | |
# Requires `sips` to be installed | |
echo "Downsampling retina images..." | |
dir=$(pwd) | |
find "$dir" -name "*@2x.png" | while read image; do | |
outfile=$(dirname "$image")/$(basename "$image" @2x.png).png | |
if [ "$image" -nt "$outfile" ]; then | |
basename "$outfile" | |
width=$(sips -g "pixelWidth" "$image" | awk 'FNR>1 {print $2}') | |
height=$(sips -g "pixelHeight" "$image" | awk 'FNR>1 {print $2}') | |
sips -z $(($height / 2)) $(($width / 2)) "$image" --out "$outfile" | |
test "$outfile" -nt "$image" || exit 1 | |
fi | |
done |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment