Optimized asset script for Mint-Y-theme, GTK3 variant

render-assets.sh

#! /bin/bash

INKSCAPE="/usr/bin/inkscape"
OPTIPNG="/usr/bin/optipng"

SRC_FILE="assets.svg"
ASSETS_DIR="assets"
INDEX="assets.txt"
TEMP_INDEX="assets.tmp"

for i in `cat $INDEX`
do 
if [ -f $ASSETS_DIR/$i.png ]; then
    echo $ASSETS_DIR/$i.png exists.
else
    echo $i >> $TEMP_INDEX
fi
done

if [ -f $TEMP_INDEX ]; then
    echo Rendering...
    awk \
       '{ print "--export-id=" $0,
        "--export-id-only",
        "--export-png='$ASSETS_DIR'/" $0 ".png '$SRC_FILE'" }
        { print "--export-id=" $0,
        "--export-dpi=180",
        "--export-id-only",
        "--export-png='$ASSETS_DIR'/" $0 "@2.png '$SRC_FILE'" }
        END { print "quit" }' $TEMP_INDEX | \
        $INKSCAPE --shell | awk -F":" '{ if ($1 ~ /Bitmap/) print "Exporting" $2 }'

    echo Optimizing...
    for i in `cat $TEMP_INDEX`
    do 
        $OPTIPNG -o7 --quiet $ASSETS_DIR/$i.png 
    done

    rm $TEMP_INDEX
fi
exit 0