WHIPTAIL(1) General Commands Manual WHIPTAIL(1)
NAME
whiptail - display dialog boxes from shell scripts
SYNOPSIS
whiptail [ --title title ] [ --backtitle backtitle ] [ --clear ] [ --de-
fault-item string ] [ --defaultno ] [ --fb ] [ --nocancel ] [ --yes-but-
ton text ] [ --no-button text ] [ --ok-button text ] [ --cancel-button
text ] [ --noitem [ ] --output-fd fd ] [ --separate-output ] [ --scroll-
text ] [ --topleft ] box-options
DESCRIPTION
whiptail is a program that will let you present a variety of questions
or display messages 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, check-
list box, radiolist box, gauge box, and password box.
OPTIONS
--clear
The screen will be cleared to the screen attribute on exit. This
doesn't work in an xterm (and descendants) if alternate screen
switching is enabled, because in that case slang writes to (and
clears) an alternate screen.
--defaultno
The dialog box will open with the cursor over the No button.
--default-item string
Set the default item in a menu box. Normally the first item in
the box is the default.
--fb, --fullbuttons
Use full buttons. (By default, whiptail uses compact buttons).
--nocancel
The dialog box won't have a Cancel button.
--yes-button text
Set the text of the Yes button.
--no-button text
Set the text of the No button.
--ok-button text
Set the text of the Ok button.
--cancel-button text
Set the text of the Cancel button.
--noitem
The menu, checklist and radiolist widgets will display tags only,
not the item strings. The menu widget still needs some items
specified, but checklist and radiolist expect only tag and sta-
tus.
--notags
Don't display tags in the menu, checklist and radiolist widgets.
--separate-output
For checklist widgets, output result one line at a time, with no
quoting. This facilitates parsing by another program.
--output-fd fd
Direct output to the given file descriptor. Most whiptail
scripts write to standard error, but error messages may also
be written there, depending on your script.
--title title
Specifies a title string to be displayed at the top of the dialog
box.
--backtitle backtitle
Specifies a backtitle string to be displayed on the backdrop, at
the top of the screen.
--scrolltext
Force the display of a vertical scrollbar.
--topleft
Put window in top-left corner.
-h, --help
Print a help message and exit.
-v, --version
Print version information and exit.
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 fit 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
newline characters `\n' to control line breaking explicitly.
This dialog box is useful 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 differ-
ence between a message box and a yes/no box is that a message box
has only a single OK button. You can use this dialog box to dis-
play any message you like. After reading the message, the user
can press the ENTER key so that whiptail will exit and the call-
ing shell script can continue its operation.
--infobox text height width
An info box is basically a message box. However, in this case,
whiptail will exit immediately after displaying the message to
the user. The screen is not cleared when whiptail 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 [init]
An input box is useful when you want to ask questions that re-
quire the user to input a string as the answer. If init is sup-
plied it is used to initialize the input string. When inputing
the string, the BACKSPACE key can be used to correct typing er-
rors. If the input string is longer than the width of the dialog
box, the input field will be scrolled. On exit, the input string
will be printed on stderr.
--passwordbox text height width [init]
A password box is similar to an input box, except the text the
user enters is not displayed. This is useful when prompting for
passwords or other sensitive information. Be aware that if any-
thing is passed in "init", it will be visible in the system's
process table to casual snoopers. Also, it is very confusing to
the user to provide them with a default password they cannot see.
For these reasons, using "init" is highly discouraged.
--textbox file height width
A text box lets you display the contents of a text file in a dia-
log 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, for-
ward 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. 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 whiptail exits, the tag of the cho-
sen 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 multi-
ple entries presented in the form of a menu. You can select and
deselect items using the SPACE key. 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.
--radiolist text height width list-height [ tag item status ] ...
A radiolist box is similar to a menu box. The only difference is
that you can indicate which entry is currently selected, by set-
ting its status to on.
--gauge text height width percent
A gauge box displays a meter along the bottom of the box. The
meter indicates a percentage. New percentages are read from
standard input, one integer per line. The meter is updated to
reflect each new percentage. If stdin is XXX, the first follow-
ing line is a percentage and subsequent lines up to another XXX
are used for a new prompt. The gauge exits when EOF is reached
on stdin.
NOTES
whiptail interprets arguments starting with a dash "-" as being argu-
ments. To avoid this, and start some text in, for example, a menubox
item, with a dash, whiptail honours the getopt convention of accepting
the special argument "--" which means that all following arguments with
dashes are to be treated verbatim and not parsed as options.
If the specified height, width, or menu/list-height is zero, whiptail
will increase the values as needed in order to display all information.
DIAGNOSTICS
Exit status is 0 if whiptail is exited by pressing the Yes or OK button,
and 1 if the No or Cancel button is pressed. Otherwise, if errors occur
inside whiptail or whiptail is exited by pressing the ESC key, the exit
status is 255.
AUTHOR
Based on the man page for dialog(1) by:
Savio Lam (lam836@cs.cuhk.hk) - version 0.3
Stuart Herbert (S.Herbert@sheffield.ac.uk) - patch for version 0.4
Modifications for whiptail by:
Enrique Zanardi (ezanard@debian.org)
Alastair McKinstry (mckinstry@debian.org)
Whiptail Version 0.52.5 31 January 2007 WHIPTAIL(1)
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