12-19-2007
Quote:
Originally Posted by
Smiling Dragon
So let's take a look at the new code then...
And a fully qualified subset list of expected files....
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to the moderators of this site...
i posted a question several weeks ago about a egep -e if you look through my posts you will see that my question was fully plausible as a reasonable post that could have been answered even it was to say that I should search the man pages myself and find the... (4 Replies)
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if any user think that the thread posted by them is not good and want to delete it how to do that? (1 Reply)
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sorry! accidentally posted the same post twice on a thread.. could
you please remove the second .. thanx
moxxx68 (1 Reply)
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The second post in this thread is spam. All of the other posts that I looked at by the same user are also spam.
https://www.unix.com/shell-programming-scripting/152728-using-grep-returns-partial-matches-i-need-get-exact-match-nothing.html
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joe (3 Replies)
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LEARN ABOUT LINUX
ppmtopgm
ppmtopgm(1) General Commands Manual ppmtopgm(1)
NAME
ppmtopgm - convert a portable pixmap into a portable graymap
SYNOPSIS
ppmtopgm [ppmfile]
DESCRIPTION
Reads a portable pixmap as input. Produces a portable graymap as output. The output is a "black and white" rendering of the original
image, as in a black and white photograph. The quantization formula used is .299 r + .587 g + .114 b.
Note that although there is a pgmtoppm program, it is not necessary for simple conversions from pgm to ppm , because any ppm program can
read pgm (and pbm ) files automatically. pgmtoppm is for colorizing a pgm file. Also, see ppmtorgb3 for a different way of converting
color to gray. And ppmdist generates a grayscale image from a color image, but in a way that makes it easy to differentiate the original
colors, not necessarily a way that looks like a black and white photograph.
QUOTE
Cold-hearted orb that rules the night
Removes the colors from our sight
Red is gray, and yellow white
But we decide which is right
And which is a quantization error.
SEE ALSO
pgmtoppm(1),ppmtorgb3(1),rgb3toppm(1),ppmdist(1),ppm(5),pgm(5)
AUTHOR
Copyright (C) 1989 by Jef Poskanzer.
10 April 2000 ppmtopgm(1)