02-04-2013
Quote:
Originally Posted by
squoggle
[...]
For every IP address I need to grep another file to see if the IP address is in the other file
Could you post a sample from the second file?
This User Gave Thanks to radoulov For This Post:
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Contents of my file is:
DI
DI
DIR
PHI
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but it is also extracting DI.
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I have a file
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11.22.33.44
192.68.1.2
helo
l
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QUESTION1:
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CAR1_KEY0
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CURRENT COMMAND LINE: WHERE VARIABLE CAR_NUMBER=1 AND KEY_NUMBER=1
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Facing issues in grepping only the IP Address from a file i have tried the below and it was of not much help
awk -F"" '/(/ { print $3 }'
awk -F"</*(>" '/ip/ { print $2 }'
grep "ip" file1|cut -f2 -d"<"|cut -f2 -d">"
grep "(" file1 |cut -f2 -d"<"|cut -f2 -d">"
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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)