Merge topic branch t/gui into pu

[gsu.git] / README.md

diff --git a/README.md b/README.md
index 0d2c9e236bf437c711cf1e26aa22f6777eeff179..1fbcef9872ce9f5ef0ae6bb642d8a501993f448b 100644 (file)
--- 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"
@@ -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")"
                }
@@ -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/)