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g3cat(1)			      mgetty+sendfax manual				 g3cat(1)

NAME
       g3cat - concatenate multiple g3 documents

SYNOPSIS
       g3cat [-l] [-a] g3-file1 ...

DESCRIPTION
       g3cat  concatenates g3 files. These can either be 'raw', that is, bitmaps packed according
       to the CCITT T.4 standard for one-dimensional bitmap encoding, or 'digifax' files, created
       by  GNU's  GhostScript  package with the digifax drivers. Its output is a concatenation of
       all the input files, in raw G3 format, with two white lines in between.

       If a - is given as input file, stdin is used.

       If the input data is malformed, a warning is printed to stderr, and the output  file  will
       have a blank line at this place.

OPTIONS
       -l     separate files with a one-pixel wide black line.

       -h <blank lines>
	      specifies  the  number of blank lines g3cat should prepend to each page. Default is
	      0.

       -L <lines>
	      limit lenght of output page to maximum <lines> lines.

SPECIAL-CASE OPTIONS
       -w <width>
	      specifies the desired page width in pixels per line. Default is 1728 PELs, and this
	      is  mandatory if you want to send the fax to a standard fax machine.  If one of the
	      input files doesn't match this line width (for example because it was created by	a
	      broken  G3  creator),  a	warning  is  printed, and the line width is transparently
	      fixed.

       -a     byte-align the end-of-line codes (EOL) in the file. Every EOL will end  at  a  byte
	      boundary, that is, with a  01 byte.

       -p <pad>
	      specifies  a minimum number of bytes that each output line must be padded to.  Pad-
	      ding is done with 0-bits before the EOL code.

       -R     suppress output of end-of-page code (RTC).

Example
       The following example will put a header line on a given	g3  page,  'page1'  and  put  the
       result into 'page2':

       echo '$header' | pbmtext | pbm2g3 | g3cat - page1 >page2

FILES
       --


BUGS
       Hopefully none :-).

SEE ALSO
       g32pbm(1), sendfax(8), faxspool(1)

AUTHORS
       g3cat is Copyright (C) 1993 by Gert Doering, <gert@greenie.muc.de>

greenie 				    27 Oct 93					 g3cat(1)
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