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-rw-r--r--subr.rtl/rtl.subr18
1 files changed, 13 insertions, 5 deletions
diff --git a/subr.rtl/rtl.subr b/subr.rtl/rtl.subr
index 532cb514..7a72b89c 100644
--- a/subr.rtl/rtl.subr
+++ b/subr.rtl/rtl.subr
@@ -2,12 +2,20 @@
# set +o errexit -o noglob -o nounset is assumed.
#
-rtl_date() { command date "+${1:-${DEFAULT_TIMESTAMP_FMT:-"%Y/%m/%d %H:%M:%S"}}"; };
-rtl_set_IFS_nl() { IFS="
-"; };
-rtl_set_var_unsafe() { [ -n "${2}" ] && eval ${1}=\"${2}\" || return 0; };
+# <SPACE><HT><LF>
+RTL_IFS_ORIG="
+";
+
+# <LF>
+RTL_NL="
+";
+
+rtl_date() { local _rdate="${1#\$}"; shift; eval ${_rdate}=\"\$\(command date \"+\${1:-\${DEFAULT_TIMESTAMP_FMT:-\"%Y/%m/%d %H:%M:%S\"}}\"\)\"; };
+rtl_set_IFS_nl() { IFS="${RTL_NL}"; };
+rtl_set_var_unsafe() { [ "${2:+1}" = 1 ] && 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[$0]++' | paste -s -d" "; fi; };
+rtl_uniq2() { eval set -- \${${1#\$}}; 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
+# vim:filetype=sh textwidth=0