gsu: Print help text on prefs command.

This uses another nice bashism I recently learned.

diff --git a/funcs/gsu b/funcs/gsu
index 043676c4b303ae4dc8e49160bfa11bc066f8ac2b..add1be4a4567b759df60edb93e9aa658fdb1c239 100644 (file)
--- a/funcs/gsu
+++ b/funcs/gsu
@@ -163,6 +163,7 @@ com_prefs()
                        printf " [$default_value]"
                fi
                echo
+               [[ -n "$help_text" ]] && sed -e '/^[    ]*$/d; s/^[     ]*/#    /g' <<< "$help_text"
                printf "$name=$val"
                [[ "$val" == "$default_value" ]] && printf " # default"
                echo