highlight.sh

#!/bin/bash

if [ $# == 0 ]; then
  echo "Usage: $0 <filename>"
  exit 1
fi

source_filename=$1
target_filename="$(mktemp -d)/$(basename $1)-highlight.html"

if [ ! -e "$source_filename" ]; then
  echo "File not found: $source_filename"
  exit 2
fi

pygmentize -f html -O bg=light,noclasses,style=colorful $source_filename > $target_filename
open $target_filename
echo "Highlights written to $target_filename"