Highlight code snippet in the clipboard, making it ready to be pasted into keynote.

pbhighlight

#!/bin/bash
#
# Dependency: highlight (http://www.andre-simon.de/doku/highlight/en/highlight.php)
# $ brew install highlight
#
# Usage:
# 1. Copy some code snippet into the clipboard.
# 2. $ pbhighlight [syntax]  # syntax parameter is optional. Default set below.
# 3. Paste into Keynote.
#

SYNTAX=$1
: ${SYNTAX:=ruby} # <----- Your default syntax here

# Customize styling below to your liking
pbpaste \
| highlight \
  --out-format rtf \
  --line-numbers \
  --font-size 24 \
  --font Inconsolata \
  --style bclear \
  --encoding=utf8 \
  --wrap \
  --wrap-no-numbers \
  --line-length 80 \
  --line-number-length 2 \
  --syntax $SYNTAX \
| pbcopy