anytopnm(1) - man - phpMan

 


anytopnm(1)                            General Commands Manual                           anytopnm(1)



NAME
       anytopnm - attempt to convert an unknown type of image file to a portable anymap

SYNOPSIS
       anytopnm [file]


DESCRIPTION
       anytopnm 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),  anytopnm  looks  at  the filename extension.  If that fails, anytopnm
       punts.

       The type of the output file depends on the input image.

       If file 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.

       If file indicates that the input file is encoded by uuencode or btoa, anytopnm decodes it and
       proceeds as above with the decoded result.

       If file is - or not given, anytopnm takes its input from Standard Input.



SEE ALSO
       pnmfile(1), pnm(5), file(1)


AUTHOR
       Copyright (C) 1991 by Jef Poskanzer.



                                            11 July 2000                                 anytopnm(1)

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