Simple script to convert SVG images into PNGs tinted as white

iconmaker.sh

#!/bin/bash

# Converts provided SVGs into PNGs tinted as white
# Usage: 
#   $ ./iconmaker.sh in/directory/ out/directory/

IN_DIR=$1
OUT_DIR=$2
TMP_DIR=/tmp

mkdir -p $OUT_DIR 

for fname in $(ls $IN_DIR)
do
  inpath=$IN_DIR"/"$fname
  tmppath=$(echo $TMP_DIR"/"$fname | sed 's/svg$/png/g')
  outpath=$(echo $OUT_DIR"/"$fname | sed 's/svg$/png/g')
  mogrify -background none -resize 512x512 -format png -path $TMP_DIR $inpath &&
  convert -channel RGB -negate $tmppath $outpath
done