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Ppmtoppm User Manual(0)                                Ppmtoppm User Manual(0)

       ppmtoppm - copy PPM image


       This program is part of Netpbm(1).

       ppmtoppm simply copies a PPM image from Standard Input to Standard Output.  This may seem an unnecessary dupli-
       cation of cat, but remember that a PPM program can read a PBM or PGM image, and the right kind of PAM, as if it
       were PPM.  So ppmtoppm can read either a PBM, PGM, or PPM image and produce a PPM image as output.

       Even  that  is  of  limited  usefulness because of the fact that almost any program to which you would feed the
       resulting PPM image could also just take the original image directly.  However, sometimes  you  really  need  a
       true PPM image.

       When  you know you have a PGM image and want a PPM image, pgmtoppm is a more general way to do that conversion.
       When you know you have a PBM image, use that and pbmtopgm.

       pgmtopgm(1), pamtopam(1), pamtopnm(1), pgmtoppm(1), pbmtopgm(1), ppm(1), ppm(1), ppm(1),

       This program was added to Netpbm in Release 10.9 (September 2002).

netpbm documentation             Feburary 2007         Ppmtoppm User Manual(0)