X-Git-Url: http://git.tuebingen.mpg.de/?p=gsu.git;a=blobdiff_plain;f=funcs%2Fgsu;h=9ee2d72442d4b0694f4c151559c2b383cdf860e0;hp=18b7c13e0774cd62c6d52e2c07670f0fd6709615;hb=7cc3cdb5fc9245ea8654411098c859b6d928be42;hpb=134ad527e42f29531c647a2172e97d78cb87f450

diff --git a/funcs/gsu b/funcs/gsu
index 18b7c13..9ee2d72 100644
--- a/funcs/gsu
+++ b/funcs/gsu
@@ -149,7 +149,7 @@ com_prefs()
 		local name= option_type= default_value= required=
 		local description= help_text=
 		eval "${gsu_options[$i]}"
-		eval val='"$'${gsu_name}_$name'"'
+		eval val='"$'${gsu_config_var_prefix}_$name'"'
 		case "$required" in
 		true|yes)
 			printf "# required"
@@ -294,6 +294,7 @@ _gsu_check_options()
 
 		eval "${gsu_options[$i]}"
 
+
 		# Check name. It must be non-empty and consist of [a-zA-Z_0-9]
 		# only.  Moreover it must not start with [a-zA-Z].
 
@@ -318,7 +319,7 @@ _gsu_check_options()
 			return
 		esac
 
-		eval ${gsu_name}_$name='"'${val:=$default_value}'"'
+		eval ${gsu_config_var_prefix}_$name='"'${val:=$default_value}'"'
 
 		# Check option type. ATM, only num and string are supported
 		# Other types may be added without breaking compatibility
@@ -330,7 +331,7 @@ _gsu_check_options()
 			[[ $ret -lt 0 ]] && return
 			;;
 		*)
-			ret=-$E_BAD_OPTION_TYPE
+			ret=-$E_GSU_BAD_OPTION_TYPE
 			result="$name/$option_type"
 			return
 		esac
@@ -344,11 +345,15 @@ gsu()
 	local i
 
 	_gsu_self="$(basename $0)"
+	gsu_name="${gsu_name:=$_gsu_self}"
+	gsu_config_var_prefix="${gsu_config_var_prefix:=$gsu_name}"
 	_gsu_init_errors
 	_gsu_check_options
 	if [[ "$ret" -lt 0 ]]; then
-		gsu_err_msg
-		exit 1
+		if [[ "$1" != "help" && "$1" != "man" && "$1" != "prefs" ]]; then
+			gsu_err_msg
+			exit 1
+		fi
 	fi
 	_gsu_available_commands
 	gsu_cmds="$result"