anytopnm - attempt to convert an unknown type of image file to a portable anymap
converts the input image, which may be in any of dozens of
graphics formats, to PBM, PGM, or PPM format, depending on that nature of the
input image, and outputs it to Standard Output.
To determine the format of the input, anytopnm
uses the file
program (possibly assisted by the magic numbers file fragment included with
Netpbm). If that fails (very few image formats have magic numbers),
looks at the filename extension. If that fails,
The type of the output file depends on the input image.
indicates that the input file is compressed (either via Unix
compress, gzip, or bzip compression), anytopnm
uncompresses it and
proceeds as above with the uncompressed result.
indicates that the input file is encoded by uuencode or btoa,
decodes it and proceeds as above with the decoded result.
or not given, anytopnm
takes its input from
Copyright (C) 1991 by Jef Poskanzer.