gistfile1.sh

#!/bin/bash

#Argument parsing
#Cross-platform: GNU getopt (Linux, Macports), MacOSX getopt
#http://stackoverflow.com/questions/2721946/cross-platform-getopt-for-a-shell-script
PROG=`basename $0`

getopt -T > /dev/null
if [ $? -eq 4 ]; then
  # GNU enhanced getopt is available
  ARGS=`getopt --name "$PROG" --long help,locale:,python:,fsroot: --options hl:p:r: -- "$@"`
else
  # Original getopt is available (no long option names, no whitespace, no sorting)
  ARGS=`getopt hl:p:r: "$@"`
fi
if [ $? -ne 0 ]; then
  echo "$PROG: usage error (use -h for help)" >&2
  exit 2
fi
eval set -- $ARGS

while [ $# -gt 0 ]; do
    case "$1" in
        -h | --help)     DISPLAY_HELP=true;;
        -l | --locale)   NOVO_LOCALE="$2"; shift;;
        -p | --python)   NOVO_PYTHON="$2"; shift;;
        -r | --fsroot)   NOVO_FS_ROOT="$2"; shift;;
        --)              shift; break;; # end of options
    esac
    shift
done

if [ $# -gt 0 ]; then
  # Remaining parameters can be processed
  for ARG in "$@"; do
    echo "$PROG: argument: $ARG"
  done
fi

if ${DISPLAY_HELP} ; then
    echo "Usage:"
    echo "-l or --locale for locale (eg -l RU or --locale=RU)"
    echo "-p or --python for python binary full path (eg -p /opt/local/bin/python3.4)"
    echo "-r or --fsroot for filesystem root (eg -r /git)"
    exit ${EXIT_CODE_OK};
fi