Skeleton Bash Skript

skeleton.sh

#!/bin/bash

function Usage()
{
cat <<-ENDOFMESSAGE
Find old files

$0 [OPTION] PATH

DESCRIPTION

    OPTION can be

    -m --mtime  Modfied time in days (default: +180)
    -h --help   Displays this help

    PATH  is  a path in which the files will be searched.

AUTHOR
    Written by Mike Pretzlaw.

REPORTING BUGS
    Report bugs to pretzlaw@gmail.com

COPYRIGHT
    Nah.

SEE ALSO
    find


ENDOFMESSAGE
    exit 1
}

function Die()
{
    echo "$*"
    exit 1
}

function GetOpts() {
    branch=""
    argv=()
    while [ $# -gt 0 ]
    do
        opt=$1
        shift
        case ${opt} in
            -m|--mtime)
                MTIME="$1"
                shift
                ;;
            -h|--help)
                Usage;;
            *)
                if [ "${opt:0:1}" = "-" ]; then
                    Die "${opt}: unknown option."
                fi
                argv+=(${opt});;
        esac
    done
}

# DEFAULT OPTIONS
MTIME="+180"

# CUSTOM OPTIONS
GetOpts $*

# ARGUMENTS
WORKING_DIR=${argv[0]=.}

echo
read -p "Like to see old things? [y/n] " -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]
then
    find ${WORKING_DIR} -mtime ${MTIME}
fi