+.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,
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