sed convert hex color codes to rgb

gistfile1.txt

#!/bin/bash
#
# no-hex-clean.sh
#
# Usage: Pipe hex codes to this script
#
# e.g.
#
# $ cat *.svg | perl -ne '/(#[0-9A-Fa-f]{6})/g && print "$1\n"' | sort | uniq | ./no-hex-clean.sh
#

function rgbToHex {
  hex=`printf \#%02X%02X%02X "$@"`
}

function hexToRgb {
  rgb=`printf "%d,%d,%d" 0x${hex:1:2} 0x${hex:3:2} 0x${hex:5:2}`
}

while read hex;
do
  hexToRgb
  echo sed -i "s/$hex/rgb($rgb)/gi"
  sed -i "s/$hex/rgb($rgb)/gi" *.svg
done;