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NAME
     psbanner, pscomm, psinterface, psrv, pstext  -  filter  data
     for the POSTSCRIPT printers

SYNOPSIS
     psbanner

     pscomm

     psinterface

     psrv

     pstext

DESCRIPTION
     These are the low-level TRANSCRIPT interface filters for use
     by the System V line-printer spooling system.

     psinterface is a printer interface program that may be
     supplied to lpadmin.  The options are as specified in the
     A/UX Local System Administration.  This shell script sources
     a printer-specific shell script named transcript/printer.opt
     below the current working directory (the lp spooling
     directory) which may do additional printer-specific
     processing (for example, specify no page reversal).  The
     psinterface script is responsible for the complete
     processing of the print job.  If job banner break pages are
     enabled for this printer (and requested for this job),

     psbanner is invoked by psinterface to format a banner break
     page.

     The psinterface script also distinguishes between text files
     (which get formatted) and POSTSCRIPT print files.  If the
     input to psinterface does not begin with the POSTSCRIPT
     ``magic number'' (the first two characters being %!),
     psinterface will invoke pstext to create a listing of the
     file.  If the first bytes of the input file are %!PS-Adobe-,
     and if the printer options so specify, psinterface will also
     page-reverse the file (with the psrv filter) before
     printing.  psinterface currently recognizes three
     TRANSCRIPT-specific spooling options (presented to lp with
     the -o option): the h option suppresses the printing of a
     banner break page, the r option suppresses page reversal,
     and the m option causes psinterface to send any stream
     output from the execution of the user's POSTSCRIPT print
     file back to the user as mail.

     pscomm is the lowest level filter.  It manages communication
     with the printer, error handling, status reporting, etc.




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     psinterface and pscomm manage a printer log file named
     transcript/printer-log (under the lp spooling directory).
     This file contains a log of each job processed, as well as
     any error output from the printer.  In particular, it
     contains messages regarding paper-out, paper-jams, and so
     forth.  Doing a tail on this file will help determine the
     printer's status.

     pstext is invoked by psinterface to create a listing of the
     POSTSCRIPT file.  If the first bytes of the input file are
     %!PS-Adobe-, and if the printer options so specify.

     psrv is invoked by psinterface to page-reverse the
     POSTSCRIPT file (with the psrv filter) before printing.

FILES
     /usr/lib/ps/*
          Directory containing the POSTSCRIPT library, prologues,
          filters, etc.
     /transcript/printer-log
          Printer log file
     /transcript/printer.opt
          Printer-specific options script file
     /usr/tmpX/b*
          Temporary files
     /usr/tmpX/o*
          Temporary files
     /usr/tmpX/t*
          Temporary files

SEE ALSO
     lpadmin(1M), lpsched(1M)

     lp(1), lpstat(1), psdit(1), psroff(1) in A/UX Command
     Reference

     A/UX Local System Administration


















2                                                    January 1992