CentOS 7.0 - man page for xmessage (centos section 1)

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XMESSAGE(1)									      XMESSAGE(1)

       xmessage - display a message or query in a window (X-based /bin/echo)

       xmessage [ -buttons label1[:value1],label2[:value2], ...  ] [ options ] -file filename
       xmessage [ -buttons label1[:value1],label2[:value2], ...  ] [ options ] message ...

       The xmessage program displays a window containing a message from the command line, a file,
       or standard input.  Along the lower edge of the message is row of  buttons;  clicking  the
       left  mouse  button on any of these buttons will cause xmessage to exit.  Which button was
       pressed is returned in the exit status and, optionally, by writing the label of the button
       to standard output.

       The  program  is  typically used by shell scripts to display information to the user or to
       ask the user to make a choice.

       Unless a size is specified, xmessage sizes itself to fit the  message,  up  to  a  maximum
       size.  If the message is too big for the window, xmessage will display scroll bars.

       These  are the command line options that xmessage understands, in addition to the standard
       ones listed in X(7).

       -buttons button,button,...
	       This option will cause xmessage to create one button for each comma-separated but-
	       ton  argument.	The corresponding resource is buttons.	Each button consists of a
	       label optionally followed by a colon and an exit value.	The label is the name  of
	       the  Command  button  widget created and will be the default text displayed to the
	       user.  Since this is the name of the widget it may be used to change  any  of  the
	       resources  associated  with that button.  The exit value will be returned by xmes-
	       sage if that button is selected.  The default exit value is 100	plus  the  button
	       number.	Buttons are numbered from the left starting with one.  The default string
	       if no -buttons option is given is okay:0.

       -default label
	       Defines the button with a matching label to be  the  default.   If  not	specified
	       there  is  no  default.	 The  corresponding  resource is defaultButton.  Pressing
	       Return anywhere in the xmessage window will  activate  the  default  button.   The
	       default button has a wider border than the others.

       -file filename
	       File  to  display.   The  corresponding resource is file.  A filename of `-' reads
	       from standard input.  If this option is not supplied, xmessage  will  display  all
	       non-option  arguments in the style of echo.  Either -file or a message on the com-
	       mand line should be provided, but not both.

       -print  This will cause the program to write the label of the button pressed  to  standard
	       output.	 Equivalent  to setting the printValue resource to TRUE.  This is one way
	       to get feedback as to which button was pressed.

       -center Pop up the window at the center of the screen.  Equivalent to setting  the  center
	       resource to TRUE.

	       Pop  up	the  window  near  the mouse cursor.  Equivalent to setting the nearMouse
	       resource to TRUE.

       -timeout secs
	       Exit with status 0 after secs seconds if the user has not clicked on a button yet.
	       The corresponding resource is timeout.

       Knowing	the  name  and position in the hierarchy of each widget is useful when specifying
       resources for them.  In the following chart, the class and name of each widget is given.

       Xmessage (xmessage)
	    Form form
		 Text message
		 Command (label1)
		 Command (label2)

       The program has a few top-level application resources that allow customizations	that  are
       specific to xmessage.

       file    A String specifying the file to display.

       buttons A String specifying the buttons to display.  See the -buttons command-line option.

	       A String specifying a default button by label.

	       A  Boolean  value  specifying  whether the label of the button pressed to exit the
	       program is written to standard output.  The default is FALSE.

       center  A Boolean value specifying whether to pop up the  window  at  the  center  of  the
	       screen.	The default is FALSE.

	       A  Boolean  value  specifying  whether to pop up the window near the mouse cursor.
	       The default is FALSE.

       timeout The number of seconds after which to exit with status 0.  The default is 0,  which
	       means never time out.

       maxHeight (class Maximum)
	       The  maximum  height of the text part of the window in pixels, used if no size was
	       specified in the geometry.  The default is 0, which means use 70% of the height of
	       the screen.

       maxWidth (class Maximum)
	       The  maximum  width  of the text part of the window in pixels, used if no size was
	       specified in the geometry.  The default is 0, which means use 70% of the width  of
	       the screen.

	       exit  immediately  with	an  exit status of value (default 0).  This action can be
	       used with translations to provide alternate ways of exiting xmessage.

	       exit immediately with the exit status specified by the default button.	If  there
	       is no default button, this action has no effect.

       If  it  detects an error, xmessage returns 1, so this value should not be used with a but-

       X(7), echo(1), cat(1)

       Chris Peterson, MIT Project Athena
       Stephen Gildea, X Consortium

X Version 11				  xmessage 1.0.4			      XMESSAGE(1)
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