helhum

#!/bin/bash
set -e

# insert a line to a file if the line does not already exist
# - first parameter is the file to insert the line
# - second parameter is the line to insert. It'll only be inserted if not already exists
# - third parameter is optional. This will override the search behavior. 
#   Instead of searching for the line of parameter 2 this term is used.
function insertLineIfNotExists {
  FILE=$1