#!/bin/bash

if [ ${BASH_VERSINFO:-0} -lt 3 ]; then
	echo "BASH version ${BASH_VERSION} ist not supported! You need at least version 3..."
	return
fi

if [ "${LOADEDMODULES:-}" = "" ]; then
	declare -x LOADEDMODULES=
fi

if [[ -r "${PSI_BASH_COMPLETION}" ]]; then
	source "${PSI_BASH_COMPLETION}"
fi

module() {
	local -r modulecmd="${PMODULES_HOME}/bin/modulecmd"

	local -a args=()
	local -a switches=()
	local -a sub_switches=()
	local subcommand=''

	while (( $# > 0 )); do
		case $1 in
		-u|--userlvl )
			switches+=( $1 $2 )
			shift 2
			;;
		-* )
			switches+=( $1 )
			shift
			;;
		[a-z]* )
			subcommand=$1
			shift
			break
			;;
		esac
	done

	while (( $# > 0 ));do
		case $1 in
			-* )
				sub_switches+=( $1 )
				;;
			[a-zA-Z]* )
				args+=( $1 )
				;;
		esac
		shift
	done

	if [[ ${subcommand} == '' ]]; then
	        subcommand='help'
	fi
	if (( ${#args} == 0 )); then
		args+=( '' )
	fi
	for arg in "${args[@]}"; do
		eval $( "${modulecmd}" bash ${switches[@]} "${subcommand}" "${sub_switches[@]}" "${arg}" )
	done
}
export -f module

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