agr command - Find and Replace with ag on Mac OSX

ag_replace.sh

#!/bin/sh

agr () {
  # find and replace
  regex=s/${1}/${2}/g;
  ag $1 -l | xargs sed -i.agr_backup $regex;
  # delete backups
  ag -G .agr_backup -l | xargs rm
}

# USAGE ON MAC OSX
# 1. Install ag - https://github.com/ggreer/the_silver_searcher
# 2. Copy lines 3 - 9 into your .bash_profile
# 3. go to target directory and call with "agr"

# EXAMPLE
# Replace "test" with "hello" using "agr test hello"