g3cat

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 length 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.  Padding 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)