args-parse.sh

#!/bin/bash 

# ------------------------------------ 
# maintainer: DrSnowbird@openkbs.org
# license: Apache License Version 2.0
# ------------------------------------ 

ERROR_NO_ARGS_PROVIDED=99
ERROR_ERROR_ARGS_PROVIDED=98

SHORT="hdO:"
LONG="help,debug,output:"

PARSED=`getopt --options ${SHORT} --longoptions ${LONG} --name "$0" -- "$@"`

if [[ $? != 0 ]]; then
    exit ${ERROR_ERROR_ARGS_PROVIDED}
fi
eval set -- "${PARSED}"

while true
do
    case "${1}" in
        -h)
            usage
            exit
	    ;;
        --help)
            usage
            exit
            ;;
        -d)
            debugFlag=1
            echo "debugFlag=$debugFlag (ON)"
            shift
            ;;
        --debug)
            debugFlag=1
            echo "debugFlag=$debugFlag (ON)"
            shift 1
            ;;
        -O)
            OUTPUT_FILE=${2}
            echo "OUTPUT_FILE=$OUTPUT_FILE"
            shift 2
            ;;
        --output)
            OUTPUT_FILE=${2}
            echo "OUTPUT_FILE=$OUTPUT_FILE"
            shift 2
            ;;
        --)
            shift
            break
            ;;
        *)
            echo "*****: input args error"
            echo "$ORIG_ARGS"
            exit 3
            ;;
    esac
done

echo "ORIGINAL INPUT >>>>>>>>>>:"
echo "${ORIG_ARGS}"
echo "-------------"

#### ------------------------------------------------------------------------------------------------------------
#### ---- MAIN: ----
#### ------------------------------------------------------------------------------------------------------------

echo "..... Start your main here .............."