Batch search and convert SVG files to PNG using rsvg-convert

#!/bin/bash

# temporary file
TMP=tmp.txt
# size (width) of output png file (aspect-ratio is kept)
WSIZE=16
# destination direcotry where to move generated PNGs
DEST=./pngs16

echo "*********** STARTING CONVERSION **********"
echo -n "Searching files... "
find . -iname "*.svg" > $TMP

num=$(wc -l < "$TMP")
echo "$num .svg files found."
# test line=./specific_applications/sonata/sonata_play.svg


echo -n "Converting files"

while read line
do
        rsvg-convert -w $WSIZE -a -f png -o ${line%.svg}[w$WSIZE].png $line
        echo -n "."
done <$TMP

echo " "
#echo "Press enter to continue..."
#read

echo " "
echo -n "Searching converted png files..."

find . -iname "*\[w$WSIZE\].png" > $TMP

num2=$(wc -l < "$TMP")
echo "$num2 files found."

echo "Moving files to directory: $DEST"
while read line
do
        line2=${line//\//_}
#       echo "- file '${line}' to '$DEST/${line2#._}' "
        mv ${line} $DEST/${line2#._}
        echo -n "."
done <$TMP

echo " "
echo " "
echo "Removing temporary files."
rm $TMP
echo "***************** DONE *******************"