CentOS 7.0 - man page for pgmtopgm (centos section 0)
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Pgmtopgm User Manual(0) Pgmtopgm User Manual(0)
pgmtopgm - copy PGM image
This program is part of Netpbm(1)
pgmtopgm simply copies a PGM image from Standard Input to Standard Output. This may seem
an unnecessary duplication of cat, but remember that a PGM program can read a PBM image as
if it were PGM. So pgmtopgm can read either a PBM or PGM image and produce a PGM image as
Even that is of limited usefulness because of the fact that almost any program to which
you would feed the resulting PGM image could also just take the original image directly.
However, sometimes you really need a true PGM image.
When you know you have a PBM image and want a PGM image, pbmtopgm is a more general way to
do that conversion.
ppmtoppm(1) , pamtopam(1) , pamtopnm(1) , pbmtopgm(1) , pbm(1) , pgm(1) ,
This program was added to Netpbm in Release 10.9 (September 2002).
netpbm documentation September 2002 Pgmtopgm User Manual(0)
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