piping from grep to awk without intermediate files Post: 302598982

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Hi, I need to use a double grep so to speak. I need to grep for a particular item say BOB and then for each successful result I need to grep for another item say SMITH. I tried grep "BOB" filename | grep "SMITH" but it does not seem to work. I can achieve my desired result using an...

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$>cat file.txt 123 d3 234 abc 3 zyf 23 124 def 8 ghi kz0 ... ... I have the following output on the screen through <some command>. $> <some command> abc def ghi ... ... I have to search for each of these patterns in the file.txt and print the lines in file.txt matching the...

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Hi everybody, I have a big file with blast results (if you know what this means, otherwise look at it just as a text file with a specific form). I am trying to extract some ids from within this file, which have certain parameters. For example, some Of my IDs have the term 'No hit results'...

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Hi, I have a number of files containing the information below. """"" Fundallinfo 6.3950 14.9715 14.0482 """"" I would like to grep for Fundallinfo and use it to read the next line? I ideally would like to read the three numbers that follow in the next line and...

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So, this is weird... I'm running this command: iotop -o -P -k -bt -d 5 I'd like to save the output relelvant to rsyslogd to a file, so I do this: iotop -o -P -k -bt -d 5 | grep rsyslogd >> /var/log/rsyslogd Nothing is written to the file! I can write the full output to the file: ...

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cat file 1 aaa 2 bbb 3 ccc 4 ddd In TextEdit, I then copy the characters “ccc” to the clipboard. The problem is that the following command gives no output: bash-3.2$ pbpaste | grep - file Desired output: 3 ccc What should the syntax be for that command? I am using MacOS El...

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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)

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LEARN ABOUT XFREE86

ppmtopgm