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DIALOG(1) DIALOG(1)
NAME
dialog - display dialog boxes from shell scripts
SYNOPSIS
dialog --clear
dialog --create-rc file
dialog [ --title title ] [ --clear ] box-options
DESCRIPTION
Dialog is a program that will let you to present a variety of questions or display mes-
sages using dialog boxes from a shell script. Currently, these types of dialog boxes are
implemented:
yes/no box, menu box, input box, message box, text box, info box, and checklist box.
OPTIONS
--clear
The screen will be cleared to the screen attribute on exit.
--create-rc file
Since dialog supports run-time configuration, this can be used to dump a sample
configuration file to the file specified by file.
--title title
Specifies a title string to be displayed at the top of the dialog box.
Box Options
--yesno text height width
A yes/no dialog box of size height rows by width columns will be displayed. The
string specified by text is displayed inside the dialog box. If this string is too
long to be fitted in one line, it will be automatically divided into multiple lines
at appropriate places. The text string may also contain the sub-string "\n" or new-
line characters `\n' to control line breaking explicitly. This dialog box is use-
ful for asking questions that require the user to answer either yes or no. The
dialog box has a Yes button and a No button, in which the user can switch between
by pressing the TAB key.
--msgbox text height width
A message box is very similar to a yes/no box. The only difference between a mes-
sage box and a yes/no box is that a message box has only a single OK button. You
can use this dialog box to display any message you like. After reading the mes-
sage, the user can press the ENTER key so that dialog will exit and the calling
shell script can continue its operation.
--infobox text height width
An info box is basically a message box. However, in this case, dialog will exit
immediately after displaying the message to the user. The screen is not cleared
when dialog exits, so that the message will remain on the screen until the calling
shell script clears it later. This is useful when you want to inform the user that
some operations are carrying on that may require some time to finish.
--inputbox text height width
An input box is useful when you want to ask questions that require the user to
input a string as the answer. When inputing the string, the BACKSPACE key can be
used to correct typing errors. If the input string is longer than can be fitted in
the dialog box, the input field will be scrolled. On exit, the input string will be
printed on stderr.
--textbox file height width
A text box lets you display the contents of a text file in a dialog box. It is like
a simple text file viewer. The user can move through the file by using the UP/DOWN,
PGUP/PGDN and HOME/END keys available on most keyboards. If the lines are too long
to be displayed in the box, the LEFT/RIGHT keys can be used to scroll the text
region horizontally. For more convenience, forward and backward searching functions
are also provided.
--menu text height width menu-height [ tag item ] ...
As its name suggests, a menu box is a dialog box that can be used to present a list
of choices in the form of a menu for the user to choose. Each menu entry consists
of a tag string and an item string. The tag gives the entry a name to distinguish
it from the other entries in the menu. The item is a short description of the
option that the entry represents. The user can move between the menu entries by
pressing the UP/DOWN keys, the first letter of the tag as a hot-key, or the number
keys 1-9. There are menu-height entries displayed in the menu at one time, but the
menu will be scrolled if there are more entries than that. When dialog exits, the
tag of the chosen menu entry will be printed on stderr.
--checklist text height width list-height [ tag item status ] ...
A checklist box is similar to a menu box in that there are multiple entries pre-
sented in the form of a menu. Instead of choosing one entry among the entries, each
entry can be turned on or off by the user. The initial on/off state of each entry
is specified by status. On exit, a list of the tag strings of those entries that
are turned on will be printed on stderr.
RUN-TIME CONFIGURATION
1. Create a sample configuration file by typing:
"dialog --create-rc <file>"
2. At start, dialog determines the settings to use as follows:
a) if environment variable DIALOGRC is set, it's value determines the name of the
configuration file.
b) if the file in (a) can't be found, use the file $HOME/.dialogrc as the configura-
tion file.
c) if the file in (b) can't be found, use compiled in defaults.
3. Edit the sample configuration file and copy it to some place that dialog can find, as
stated in step 2 above.
ENVIROMENT
DIALOGRC Define this variable if you want to specify the name of the configuration
file to use.
FILES
$HOME/.dialogrc default configuration file
DIAGNOSTICS
Exit status is 0 if dialog is exited by pressing the Yes or OK button, and 1 if the No or
Cancel button is pressed. Otherwise, if errors occur inside dialog or dialog is exited by
pressing the ESC key, the exit status is -1.
BUGS
Text files containing tab characters may cause problems with text box. Tab characters in
text files must first be expanded to spaces before being displayed by text box.
Screen update is too slow.
AUTHOR
Savio Lam <lam836 AT cs.hk>
10 January 1994 DIALOG(1)
Generated by $Id: phpMan.php,v 4.49 2006/02/26 13:18:18 chedong Exp $ Author: Che Dong
On Apache
Under GNU General Public License
2012-05-26 07:14 @38.107.179.236 Crawled by CCBot/1.0 (+http://www.commoncrawl.org/bot.html)