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#
# set +o errexit -o noglob -o nounset is assumed.
#
rtl_basename() { local _fname="${1##*/}"; printf "%s" "${_fname}"; };
rtl_date() { command date "+${1:-${DEFAULT_TIMESTAMP_FMT}}"; };
rtl_set_var_unsafe() { [ -n "${2}" ] && eval ${1}=\"${2}\" || return 0; };
rtl_test_cmd() { command -v "${1}" >/dev/null; };
rtl_uniq() { if [ "${#}" -gt 0 ]; then printf "%s" "${*}" | sed 's/ /\n/g' | awk '!x[$0]++' | paste -s -d" "; fi; };
rtl_unset_vars() { while [ ${#} -gt 0 ]; do unset "${1}"; shift; done; };
# vim:filetype=sh
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