gsu: Print help text on prefs command.

[gsu.git] / funcs / gsu

diff --git a/funcs/gsu b/funcs/gsu
index 9ee2d72442d4b0694f4c151559c2b383cdf860e0..add1be4a4567b759df60edb93e9aa658fdb1c239 100644 (file)
--- a/funcs/gsu
+++ b/funcs/gsu
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # gsu -- the global subcommand utility
 # (C) 2006-2009 Andre Noll
 
@@ -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