From http://www.jwz.org/xscreensaver/xscreensaver-5.39.tar.gz

[xscreensaver] / hacks / xmatrix.man

diff --git a/hacks/xmatrix.man b/hacks/xmatrix.man
index c91d1c57a80666079893e4e08b7fe82fc4c6f518..bdfed21c403f5de4a6b9e537313ada0b7f117d06 100644 (file)
--- a/hacks/xmatrix.man
+++ b/hacks/xmatrix.man
@@ -1,3 +1,16 @@
+.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
@@ -10,11 +23,12 @@ 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 (MANSUFFIX)
@@ -64,28 +78,49 @@ switch to both-mode.
 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
@@ -100,7 +135,7 @@ stored in the RESOURCE_MANAGER property.
 .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