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Интерактивная система просмотра системных руководств (man-ов)

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vidwhacker ()
  • >> vidwhacker (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
  • vidwhacker (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
         vidwhacker - grab images and apply random filters to them
         vidwhacker [-display host:display.screen] [-root]  [-window]
         [-verbose] [-stdin] [-stdout] [-delay seconds]
         The vidwhacker program grabs a image from the system's video
         input,  applies random image filters to it, and displays the
         result. The vidwhacker  program  does  not  terminate  until
         killed.   It  depends  heavily  on xv(1) and the various PBM
         tools (e.g., ppmrelief(1).)
         vidwhacker accepts the following options:
         -root   Draw on the root window.
         -window Pop up a new window displaying the  image.   When  a
                 new  image  has  been  fully processed, destroy that
                 window and pop up a new one.  This is the default.
                 Print diagnostics.
         -stdin  Instead of grabbing an image from the system's video
                 input,  read  an  image  to  maniupulate from stdin.
                 This image must be in
         -delay seconds
                 How long to sleep between images.  Default 3 seconds
                 (the  actual  elapsed  time is significantly longer,
                 due to processing time.)  ppm(5) format.   The  pro-
                 gram   will  still  perform  repeated  random  image
                 transformations, but it will  always  use  this  one
                 image as its starting point.
         -stdout Instead of displaying the image on a  window  or  on
                 the root, write the new image on stdout, and exit.
         DISPLAY to get the default host and display number.
                 to get the name of a resource  file  that  overrides
                 the  global resources stored in the RESOURCE_MANAGER
         Grabbing video images is, of course, very  system-dependent.
         It works on SGIs, and on Linux systems that have the qcam(1)
         program.  If your system  does  things  differently,  you'll
         need  to  edit  the  vidwhacker  script (look for the grab()
         It's slow.
    TO DO
         It might be interesting to rewrite this to use gimp(1)  plu-
         gins  instead of the pbm tools.  It probably wouldn't be any
         faster, but there would be a wider variety of effects avail-
         X(1), xscreensaver(1), xv(1), ppmtogif(1), cjpeg(1)
         Copyright O 1998, 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.
         Jamie Zawinski <>, 18-Jan-98.

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