BASH script to find SELinux macro definitions

getdef

#!/bin/bash

# Searches the current directory for either all SELinux macro definitions or
# the SELinux macro definition specified by $1
#
# if $2 exists, there is a quoting error and we quit

if [[ ! -z ${2} ]]; then
    echo "ERROR: invoked with too many parameters, probably a quoting error."
    echo "USAGE: $0 [pattern]"
    exit 1    
fi

pattern='define(`'
if [[ -z $1 ]]; then
    find . -type f -exec grep -i -H "${pattern}" {} \; | cut -d: -f1 |sort -u
else
    pattern="${pattern}${1}"
    find . -type f -exec grep -i -H "${pattern}" {} \;
fi