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dpost(1)				  User Commands 				 dpost(1)

       dpost - troff postprocessor for PostScript printers

       dpost [-c num] [-e num] [-m num] [-n num] [-o list]
	    [-w num] [-x num] [-y num] [-F dir] [-H dir]
	    [-L file] [-O] [-T name] [file]...


       dpost  translates  files created by troff(1) into PostScript and writes the results on the
       standard output. If no files are specified, or if - is one of the input files,  the  stan-
       dard input is read.

       The  files  should  be  prepared by troff. The default font files in /usr/lib/font/devpost
       produce the best and most efficient output. They assume a resolution of 720 dpi,  and  can
       be  used  to format files by adding the -Tpost option to the troff call. Older versions of
       the eqn and pic preprocessors need to know the resolution that troff will be using to for-
       mat  the  files.  If those are the versions installed on your system, use the -r720 option
       with eqn and -T720 with pic.

       dpost makes no assumptions about resolutions. The first x res command sets the  resolution
       used  to  translate  the  input	files,	the  DESC.out  file,  usually  /usr/lib/font/dev-
       post/DESC.out, defines the resolution used in the binary font files,  and  the  PostScript
       prologue is responsible for setting up an appropriate user coordinate system.

       -c num	  Print num copies of each page. By default only one copy is printed.

       -e num	  Sets	the  text  encoding level to num. The recognized choices are 0, 1, and 2.
		  The size of the output file and print time should decrease  as  num  increases.
		  Level  2 encoding will typically be about 20 percent faster than level 0, which
		  is the default and produces output essentially identical to  previous  versions
		  of dpost.

       -m num	  Magnify  each  logical page by the factor num. Pages are scaled uniformly about
		  the origin, which is located near the upper  left  corner  of  each  page.  The
		  default magnification is  1.0.

       -n num	  Print  num  logical pages on each piece of paper, where num can be any positive
		  integer. By default, num is set to  1.

       -o list	  Print those pages for which numbers are given in the comma-separated list.  The
		  list	contains single numbers N and ranges N1-N2. A missing N1 means the lowest
		  numbered page, a missing N2 means the highest. The page range is an  expression
		  of  logical pages rather than physical sheets of paper. For example, if you are
		  printing two logical pages to a sheet, and you specified a range of 4, then two
		  sheets  of  paper would print, containing four page layouts. If you specified a
		  page range of  3-4, when requesting two logical pages to  a  sheet;  then  only
		  page	3  and	page 4 layouts would print, and they would appear on one physical
		  sheet of paper.

       -p mode	  Print files in either portrait or landscape mode. Only the first  character  of
		  mode is significant. The default mode is portrait.

       -w num	  Set  the  line  width  used to implement troff graphics commands to num points,
		  where a point is approximately 1/72 of an inch. By default, num is set to   0.3

       -x num	  Translate  the origin num inches along the positive x axis. The default coordi-
		  nate system has the origin fixed near the upper left corner of the  page,  with
		  positive x to the right and positive y down the page. Positive num moves every-
		  thing right. The default offset is  0 inches.

       -y num	  Translate the origin num inches along the positive y axis. Positive  num  moves
		  text up the page. The default offset is  0.

       -F dir	  Use  dir  as	the  font  directory. The default dir is /usr/lib/font, and dpost
		  reads binary font files from directory /usr/lib/font/devpost.

       -H dir	  Use dir as the host resident font directory. Files in this directory should  be
		  complete  PostScript font descriptions, and must be assigned a name that corre-
		  sponds to the appropriate two-character troff font  name.  Each  font  file  is
		  copied  to  the  output file only when needed and at most once during each job.
		  There is no default directory.

       -L file	  Use file as the PostScript prologue which,  by  default,  is	/usr/lib/lp/post-

       -O	  Disables  PostScript	picture inclusion. A recommended option when dpost is run
		  by a spooler in a networked environment.

       -T name	  Use font files for device name as the best description of available  PostScript
		  fonts.  By  default,	name  is  set  to  post and dpost reads binary files from

       Example 1 Examples of the dpost command.

       If the old versions of eqn and pic are installed on your system, you can obtain	the  best
       possible looking output by issuing a command line such as the following:

	 example% pic -T720 file | tbl | eqn -r720 | troff -mm -Tpost | dpost


	 example% pic file | tbl | eqn | troff -mm -Tpost | dpost

       should give the best results.

       The following exit values are returned:

       0	   Successful completion.

       non-zero    An error occurred.









       See attributes(5) for descriptions of the following attributes:

       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       |Availability		     |SUNWpsf			   |

       download(1), postdaisy(1), postdmd(1), postio(1), postmd(1), postprint(1), postreverse(1),
       posttek(1), troff(1), attributes(5)

       Output files often do not conform to Adobe's file structuring conventions. Piping the out-
       put of dpost through postreverse(1) should produce a minimally conforming PostScript file.

       Although  dpost	can handle files formatted for any device, emulation is expensive and can
       easily double the print time and the size of the output file. No attempt has been made  to
       implement the character sets or fonts available on all devices supported by troff. Missing
       characters will be replaced by white space, and unrecognized fonts will usually default to
       one of the Times fonts (that is, R, I, B, or BI).

       An  x  res  command  must precede the first x init command, and all the input files should
       have been prepared for the same output device.

       Use of the -T option is not encouraged. Its only purpose is to enable  the  use	of  other
       PostScript  font  and  device  description  files, that perhaps use different resolutions,
       character sets, or fonts.

       Although level 0 encoding is the only scheme that has been thoroughly tested, level  2  is
       fast and may be worth a try.

SunOS 5.11				    9 Sep 1996					 dpost(1)
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