Use awk to read multiple files twice Post: 302605994

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sff2g3

sff2g3(1)						       mgetty+sendfax manual							 sff2g3(1)

NAME

       sff2g3 - convert CAPI SFF fax files into G3 fax files

SYNOPSIS

       sff2g3 [-r] [-d] [-v] input.SFF output.%03d.g3

DESCRIPTION

       Reads a Common ISDN API (CAPI) structured file format (SFF) input file, and converts every fax page contained in it to a raw G3 fax file.

       The  input SFF files typically come from fax reception programs using CAPI on active ISDN cards (isdn4linux, AVM or DIVA cards) or similar.
       The output G3 files are in the ``native'' format that all other G3 utilites in the mgetty+sendfax package use.

       If the input file name is ``-'', sff2g3 will read from stdin.

       The output file name should contain a ``%d'' or ``%03d'' part.  It will be replaced with the current page number.  If there is no page num-
       ber field, only the last page in the SFF file will be saved.

OPTIONS

       -r     reverse the bit order in the bytes of the output G3 file.  The input bit order is fixed.

       -d     will one day make sff2g3 prepend a digifax header to the page.

       -v     verbose mode - show what's going on.  Multiple -v arguments increase debug output level.

REFERENCES

       The  standard  for  Group  3  fax  is  defined  in  CCITT  Recommendation  T.4.	 The  SFF  file  format  is  specified	in  the CAPI specs
       (http://www.capi.org).

BUGS

       The -d option isn't implemented yet.

       The output file name is not yet robust against format string attacks.

SEE ALSO

       g32pbm(1), pbm(5)

AUTHOR

       sff2g3 is Copyright (C) 2004 by Gert Doering, <gert@greenie.muc.de>.

greenie 							     17 Jul 04								 sff2g3(1)

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