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NAME
     phosphor - simulates an old terminal with long-sustain phos-
     phor

SYNOPSIS
     phosphor [-display  host:display.screen]  [-window]  [-root]
     [-install]   [-visual  visual]  [-font  font]  [-scale  int]
     [-ticks int] [-delay usecs] [-program command]

DESCRIPTION
     The phosphor program draws text on  the  screen  in  a  very
     large  pixellated font that looks like an old low resolution
     dumb tty.  The pixels flare and fade out as if the  phosphor
     was very long-sustain.

OPTIONS
     phosphor accepts the following options:

     -window Draw  on  a  newly-created  window.   This  is   the
             default.

     -root   Draw on the root window.

     -install
             Install a private colormap for the window.

     -visual visual
             Specify which visual to use.  Legal values  are  the
             name of a visual class, or the id number (decimal or
             hex) of a specific visual.

     -font font-name
             The X font to use.  Phosphor can take any  font  and
             scale it up to pixellate it.  The default is fixed.

     -scale int
             How much to scale the font up: in other  words,  the
             size   in  real  pixels  of  the  simulated  pixels.
             Default 6.

     -ticks int
             The number of colors to use when  fading  to  black.
             Default 20.

     -delay usecs
             The speed of the terminal: how long to wait  between
             drawing  each  character.   Default  50000, or about
             1/20th second.

     -program sh-command
             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  pipe,  and
             any  characters  that  it  prints  to stdout will be
             printed on phosphor's window.  The  characters  will
             be  printed  artificially  slowly, as per the -delay
             option above.  If the  program  exits,  it  will  be
             launched again after 5 seconds.

             Note that phosphor is not a terminal emulator:  pro-
             grams  that  try to directly address the screen will
             not do what you might expect.  Phosphor merely draws
             the  characters  on the screen left to right, top to
             bottom.  Lines wrap when they reach the right  edge,
             and  the  screen  scrolls  when characters reach the
             bottom.

             In other words, programs like fortune(1) will  work,
             but programs like top(1) won't.

             Here's a good trick,  to  get  phosphor  to  display
             recent web search terms:

                  phosphor -program \
                    'wget -qO- http://webcrawler.com/cgi-bin/SearchTicker'


ENVIRONMENT
     DISPLAY to get the default host and display number.

     XENVIRONMENT
             to get the name of a resource  file  that  overrides
             the  global resources stored in the RESOURCE_MANAGER
             property.

SEE ALSO
     wget(1), X(1), xscreensaver(1)

COPYRIGHT
     Copyright O 1999 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  permis-
     sion   notice   appear   in  supporting  documentation.   No
     representations are  made  about  the  suitability  of  this
     software  for  any  purpose.  It is provided "as is" without
     express or implied warranty.

AUTHOR
     Jamie Zawinski <[email protected]>, 27-Apr-99.

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