Shell: Function and Flags

gistfile1.txt

#!/bin/bash

function help ()
{
    echo "A simple script."
    echo ""
    echo "  ./test.sh abc    - include jasmine in the project";
}

function abc()
{
    local OPTIND

    if [[ -z "$1" ]]; then
        echo "abc requires arguments";
        exit 1
    fi

    while getopts ":a: :b" opt; do
        case $opt in
            a)
                echo "-a was triggered, Parameter: $OPTARG" >&2
                ;;
            b)
                echo "-b was triggered" >&2
                ;;
            \?)
                echo "Invalid option: -$OPTARG" >&2
                exit 1
                ;;
            :)
                echo "Option -$OPTARG requires an argument." >&2
                exit 1
                ;;
        esac
    done
}

if [ $1 ]; then
    case "$1" in
        abc)
            shift;
            abc "$@"
        ;;
        *)
            help;
        ;;
    esac
else
    help;
fi