subcommand: Improve formatting of command list.

[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"
 
                        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
 
                        [[ -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
                com_world()
                {
                        gsu_check_arg_count $# 0 0 # no arguments allowed

-                       (($ret < 0)) && return
+                       ((ret < 0)) && return

                        echo 'hello world'
                }
 
                        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 $optstring "$@"
                        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"
 
                        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"
                        local username
 
                        gsu_inputbox 'Enter username' "$LOGNAME"

-                       (($ret != 0)) && return
+                       ((ret != 0)) && return

                        username="$result"
                        gsu_msgbox "$(pgrep -lu "$username")"
                }
                        username="$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"
                        local username
 
                        gsu_inputbox 'Enter username' "$LOGNAME"

-                       (($ret < 0)) && return
+                       ((ret < 0)) && return

                        username="$result"
                        gsu_msgbox "$(pgrep -lu "$username")"
                }
                        username="$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.
 
 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:
 ___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)
 ----------
 - [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/)