LP(8)                                                       LP(8)

     NAME
          lp - PostScript preprocessors

     DESCRIPTION
          These programs are part of the lp(1) suite.  Each corre-
          sponds to a process in the -pprocess option of lp and exists
          as an rc(1) script in /sys/lib/lp/process that provides an
          interface to a PostScript conversion program in
          /$cputype/bin/aux.  The list of processors follows; after
          each description is a bracketed list of lp options to which
          the processor responds:

          generic    is the default processor.  It uses file(1) to
                     determine the type of input and executes the cor-
                     rect processor for a given (input, printer) pair.
          post       passes PostScript through, adding option patches
                     for paper tray information.  This does not always
                     work with PostScript generated on other systems.
          noproc     passes files through untouched.
          ppost      converts UTF text to PostScript.  [DLcfilmnorxy]
          dvipost    converts tex(1) output to PostScript.  [Lcinor]
          g3post     converts CCITT Group 3 FAX data to PostScript.
          p9bitpost  converts a Plan 9 bitmap such as /dev/window to
                     PostScript.  [Lm]
          tr2post    converts troff(1)  output  for  device  UTF  (the
                     default) to PostScript.  [DLcimnorxy]
          hpost      adds  a  header  page  to  the  beginning  of   a
                     PostScript  printer  job  so that it may be sepa-
                     rated from other jobs in  the  output  bin.   The
                     header  has the image of the job's owner from the
                     directory of faces (see face(6)).  Page  reversal
                     is also done in this processor.

     SOURCE
          /sys/src/cmd/postscript

     SEE ALSO
          lp(1)

     BUGS
          The file command is not always smart  enough  to  deal  with
          certain  file  types.   There are PostScript conversion pro-
          grams that do not have processors to drive them.