X-Git-Url: http://git.tuebingen.mpg.de/?p=gsu.git;a=blobdiff_plain;f=README.md;h=1fbcef9872ce9f5ef0ae6bb642d8a501993f448b;hp=0d2c9e236bf437c711cf1e26aa22f6777eeff179;hb=HEAD;hpb=e08a602e71ba1f9c9bb8e1c493cb4109fc22e952

diff --git a/README.md b/README.md
index 0d2c9e2..44e111f 100644
--- a/README.md
+++ b/README.md
@@ -269,7 +269,7 @@ for `gsu_getopts()` as follows:
 
 			gsu_getopts 't:v'
 			eval "$result"
-			(($ret < 0)) && return
+			((ret < 0)) && return
 
 			[[ -z "$o_t" ]] && o_t='ext3' # default to ext3 if -t is not given
 			[[ "$o_v" == 'true' ]] && awk_field=0 # $0 is the whole line
@@ -295,7 +295,7 @@ print an error message if one or more arguments are given. With
 		com_world()
 		{
 			gsu_check_arg_count $# 0 0 # no arguments allowed
-			(($ret < 0)) && return
+			((ret < 0)) && return
 			echo 'hello world'
 		}
 
@@ -366,7 +366,7 @@ Let's have a look at the completer for the above `fs` subcommand.
 			local optstring='t:v'
 
 			gsu_complete_options $optstring "$@"
-			(($ret > 0)) && return
+			((ret > 0)) && return
 
 			gsu_cword_is_option_parameter $optstring "$@"
 			[[ "$result" == 't' ]] && awk '{print $3}' "$f"
@@ -444,7 +444,7 @@ tree could look like this:
 				dmesg
 		'
 
-In this tree, `hardware/`, `block_devices/` and `log/` are the only
+In this tree, `hardware/`, `storage/` and `log/` are the only
 internal nodes. Note that these are written with a trailing slash
 character while the leaf nodes have no slash at the end. All entries
 of the menu tree must be indented by tab characters.
@@ -483,7 +483,7 @@ as follows.
 			local username
 
 			gsu_inputbox 'Enter username' "$LOGNAME"
-			(($ret != 0)) && return
+			((ret != 0)) && return
 			username="$result"
 			gsu_msgbox "$(pgrep -lu "$username")"
 		}
@@ -496,9 +496,9 @@ to do is to source the gsu gui module and to call `gsu_gui()`:
 
 ___Example___
 
-The complete lsi script below can be used as a starting point
-for your own gsu gui application. If you cut and paste it, be
-sure to not turn tab characters into space characters.
+The complete lsi script below can be used as a starting point for your
+own gsu gui application. If you cut and paste it, be sure to not turn
+tab characters into space characters. The script must be named "lsi".
 
 		#!/bin/bash
 
@@ -526,7 +526,7 @@ sure to not turn tab characters into space characters.
 			local username
 
 			gsu_inputbox 'Enter username' "$LOGNAME"
-			(($ret < 0)) && return
+			((ret < 0)) && return
 			username="$result"
 			gsu_msgbox "$(pgrep -lu "$username")"
 		}
@@ -651,6 +651,13 @@ following two statements are equivalent
 If an option is set both in the environment and in the config file,
 the environment takes precedence.
 
+The `$gsu_config_file` variable can actually contain more than one
+filename, separated by spaces. The config files are processed in
+order, so that an option that is specified in the second config file
+overwrites the definition given in the first. This is useful for
+applications which implement a system-wide config file in addition
+to a per-user config file.
+
 ___Checking config options___
 
 The gsu config module defines two public functions for this purpose:
@@ -727,3 +734,4 @@ References
 ----------
 - [bash](http://www.gnu.org/software/bash/bash.html)
 - [dialog](http://www.invisible-island.net/dialog/dialog.html)
+- [The author's home page](http://people.tuebingen.mpg.de/maan/)