#

# set -o errexit -o noglob are assumed.

#

ex_build_fileop() {

	local _op="${1}"; shift;

	if [ "${_op}" = cd ]; then

		ex_log_msg varn "Changing working directory to \`${1}'.";

		[ \( -n "${1}" \) -a \( -L "${1}" -o -e "${1}" \) ] && cd -- "${1}";

	elif [ "${_op}" = cp ]; then

		ex_log_msg varn "Copying \`${1}' to \`${2}' w/ -pPR.";

		[ ${#} -ge 2 ] && cp -pPR -- "${@}";

	elif [ "${_op}" = ln_symbolic ]; then

		ex_log_msg varn "Linking \`${1}' to \`${2}' w/ -fs";

		[ \( -n "${1}" \) -a \( -n "${2}" \) ] && ln -fs -- "${1}" "${2}";

	elif [ "${_op}" = mv ]; then

		ex_log_msg varn "Moving \`${1}' to \`${2}' w/ -fs";

		[ \( -n "${1}" \) -a \( -n "${2}" \) ] && mv -f -- "${1}" "${2}";

	elif [ "${_op}" = mkdir ]\

	||   [ "${_op}" = rm ]; then

		while [ ${#} -gt 0 ]; do

			if [ -z "${1}" ]; then

				return 1;

			elif [ "${_op}" = mkdir ]\

			&&   [ ! -e "${1}" ]; then

				ex_log_msg varn "Making directory \`${1}'.";

				mkdir -p -- "${1}";

			elif [ "${_op}" = rm ]\

			&&   [ \( -L "${1}" \) -o \( -e "${1}" \) ]; then

				ex_log_msg varn "Removing directory or file \`${1}'.";

				rm -rf -- "${1}";

			fi; shift;

		done;

	else

		ex_log_msg failexit "Error: ex_build_fileop() called w/ invalid parameter(s) \`${@}'.";

	fi;

};

# vim:filetype=sh