+.de EX \"Begin example
+.ne 5
+.if n .sp 1
+.if t .sp .5
+.nf
+.in +.5i
+..
+.de EE
+.fi
+.in -.5i
+.if n .sp 1
+.if t .sp .5
+..
.TH XScreenSaver 1 "30-Oct-99" "X Version 11"
.SH NAME
xmatrix - simulates the computer displays from the movie
[\-top | \-bottom | \-both]
[\-small | \-large]
[\-trace]
+[\-mode \fImode\fP]
[\-phone \fInumber\fP]
+[\-fps]
.SH DESCRIPTION
-The \fIxmatrix\fP program draws dropping characters similar to what
-is seen on the computer monitors in the Wachowski brothers' film,
-"The Matrix".
+The \fIxmatrix\fP program draws the 2D "digital rain" effect, as seen on
+the computer monitors in the Wachowski brothers' film, "The Matrix".
Also see
-.BR glmatrix (1)
+.BR glmatrix (MANSUFFIX)
for a 3D rendering of the similar effect that appeared in the title
sequence of the movie.
.SH OPTIONS
These options specify the sizes of the characters. The default
is \fB\-large\fP.
.TP 8
-.B \-trace
+.B \-mode trace
Start off with a representation of a phone number being traced.
When the number is finally found, display The Matrix as usual.
+This is the default.
.TP 8
.B \-phone\fP \fInumber\fP
The phone number to trace, if \fB\-trace\fP is specified.
.TP 8
-.B \-crack
+.B \-mode crack
Start off by shutting down the power grid.
.TP 8
-.B \-binary\fP
+.B \-mode binary
Instead of displaying Matrix glyphs, only display ones and zeros.
.TP 8
-.B \-hexadecimal\fP
+.B \-mode hexadecimal
Instead of displaying Matrix glyphs, display hexadecimal digits.
.TP 8
-.B \-dna\fP
+.B \-mode dna
Instead of displaying Matrix glyphs, display genetic code
(guanine, adenine, thymine, and cytosine.)
.TP 8
-.B \-knock\-knock\fP
-Produce some messages at random times.
+.B \-mode ascii
+Instead of displaying Matrix glyphs, display random ASCII characters.
+.TP 8
+.B \-mode pipe
+Instead of displaying random characters, display the output of a subprocess,
+as ASCII.
+.TP 8
+.B \-program \fIsh-command\fP
+The command to run to generate the text to display. This option may
+be any string acceptable to /bin/sh. The program will be run at the
+end of a pty or pipe, and any characters that it prints to
+\fIstdout\fP will be placed in the feeders for xmatrix. If the program
+exits, it will be launched again after xmatrix has processed all the
+text it produced.
+
+For example:
+.EX
+xmatrix -program 'echo Hello World'
+xmatrix -ascii -program 'ps -eo comm | rev'
+xmatrix -program 'od -txC -w6 /dev/random'
+xmatrix -program 'cat /dev/random'
+.EE
.SH ENVIRONMENT
.PP
.TP 8
to get the name of a resource file that overrides the global resources
stored in the RESOURCE_MANAGER property.
.SH SEE ALSO
-.BR glmatrix (1),
+.BR glmatrix (MANSUFFIX),
.BR X (1),
.BR xscreensaver (1)
.SH COPYRIGHT
-Copyright \(co 1999-2003 by Jamie Zawinski. Permission to use, copy, modify,
+Copyright \(co 1999-2018 by Jamie Zawinski. Permission to use, copy, modify,
distribute, and sell this software and its documentation for any purpose is
hereby granted without fee, provided that the above copyright notice appear
in all copies and that both that copyright notice and this permission notice