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1995-02-13
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FBCAT(1) FBCAT(1)
NNAAMMEE
fbcat - convert image format
SSYYNNOOPPSSIISS
fbcat [ -a<aspect> -t'title' -c'credits' ] [ -<type> ] [ image ] > image
DDEESSCCRRIIPPTTIIOONN
A general format converter. It can read any of the known
formats and write one of the specified output formats (see
fbm(1) for format details). Note that some conversions
require more than simple format changes, such as color to
grayscale or grayscale to 1bit. For these conversion you
must use a pipeline of ther commands.
OOPPTTIIOONNSS
--aa<<aassppeecctt>>
_a_s_p_e_c_t _r_a_t_i_o_, a floating point number which is the
ratio of the height of a pixel to its width. Some
formats specify this, and for GIF images the reader
attempts to guess from the size of the image. This
option overrides the input or guessed aspect ratio.
So if you know that your GIF image has a 1-1 aspect
ratio, you should specify -a1 to override the
guess.
--tt''ttiittllee''
_t_i_t_l_e_, specify a character string (up to 80 charac
ters) to describe the image. The default is no
title.
--cc''ccrreeddiittss''
_c_r_e_d_i_t_s _o_r _s_u_b_t_i_t_l_e_, specify a second character
string (up to 80 characters) to describe the image.
The default is no credit string.
--BB _f_a_c_e format, as used by Bennet Yee's _f_a_c_e program
at CMU.
--FF _F_B_M_, format (by default, the default). You are
guaranteed not to lose information by specifying
FBM as the default.
--GG _G_I_F_, Compuserve GIF format.
--II _I_F_F format, interleaved bitmaps (ILBM), used by
Amigas.
--PP _P_B_M_, Jef Poskanzer's bitmap format.
--RR _R_L_E_, Utah RLE format.
--SS _s_u_n_, Sun rasterfiles (not run length encoded).
25-Jun-90 1
FBCAT(1) FBCAT(1)
EEXXAAMMPPLLEE
To convert a GIF file to an IFF file
% fbcat -I < foo.gif > foo.iff
To convert a Sun raster file to an FBM file, adding a
title:
% fbcat -t'Title String' < bar.8bit > bar.fbm
SSEEEE AALLSSOO
fbm(1) for general discussion, pbm(1) for PBM routines.
BBUUGGSS
None known.
HHIISSTTOORRYY
Copyright (C) 1989,1990 by Michael Mauldin. Permission is
granted to use this file in whole or in part for any pur
pose, educational, recreational or commercial, provided
that this copyright notice is retained unchanged. This
software is available to all free of charge by anonymous
FTP and in the UUNET archives.
25-Jun-90 Michael Mauldin at Carnegie Mellon University
Release 1.0 mlm@cs.cmu.edu
07-Mar-89 Michael L. Mauldin at Carnegie Mellon Univer
sity
Beta release (version 0.9) mlm@cs.cmu.edu
25-Jun-90 2