flags_ex

#!/bin/bash
#
# Illustrates command line flag parsing.
# Try invoking this script with, e.g., --x 55.

readonly DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
. ${DIR}/../gobash


data=$(Args)

flags=$(Flags "Tool for interacting with outer space.")
$flags add "$(Flag x int 'Max value')"
$flags add "$(Flag z int 'Min value')"

# Print a help message (uncomment).
# $flags help

ctx=$(ctx_make)

# Parse arguments.
$flags $ctx parse "$data" "$@" || \
        { ctx_show $ctx; exit 1; }

# Print parsed values.
$data to_string

# Use data.
echo "The values that you provided are x=$($data x) and z=$($data z)"