adding bash script to export slices from single inkscape file

gtk-3.0/assets/inkscape_asset_slicer_script.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+if [[ -z $1 ]] ; then
+ echo "Usage: $0 [FILE]"
+ exit 0
+else
+ FILENAME=$1
+fi
+
+PREFIX=EXP-
+
+for ID in `grep -o "id=\"$PREFIX.*\"" $FILENAME | cut -d\" -f2` ; do
+ OUTPUT=${ID#$PREFIX}.png
+ echo "Exporting area $ID to $OUTPUT..."
+ inkscape --export-id=$ID --export-png=$OUTPUT --file=$FILENAME
+done