fds_unlim

#!/usr/bin/bash

ULIMIT_VALUE=""

function help() {
    echo "Usage: $0 [--ulimit value] [--help] FDS_INPUT_FILE"
    echo "Options:"
    echo "  --ulimit value    Set ulimit value"
    echo "  --help            Display this message"
}

args=$(getopt -o '' --long ulimit:,help -n "$0" -- "$@")
eval set -- "$args"

while true; do
    case "$1" in
        --ulimit)
            ULIMIT_VALUE=$2
            shift 2
            ;;
        --help)
            help
            exit 0
            ;;
        --)
            shift
            break
            ;;
        *)
            echo "Unrecognised option '$1'"
            help
            exit 1
            ;;
    esac
done

if [ $# -eq 0 ]; then
    echo "No input file provided."
    help
    exit 1
fi

if [ -z "$ULIMIT_VALUE" ]; then
    fds $1
else
    ulimit -s $ULIMIT_VALUE && fds $1
fi