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Full Discussion: Searching and printing the only pattern using awk,sed or perl
Top Forums Shell Programming and Scripting Searching and printing the only pattern using awk,sed or perl Post 302886208 by omkar.jadhav on Thursday 30th of January 2014 05:10:09 AM
Old 01-30-2014
thanks a lot ravinder..for the below command:
awk '/lcpu/ {print $(NF-2)}' vmstat_output

this command is based on the number of fileds and it may be possible that we can have n number of fileds in the output of vmstat.

so can you please help me in making the search pattern more specific,rather than just searching for 'lcpu' , can we try to search for lcpu=<numerica value> and the print should be irrespective of the number of field , that is the output of search should only be lcpu=4 and not the other fileds like 'System configuration:mem=5376MB ent=1.00'

please suggest.
 

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qrencode

QRENCODE(1)						      General Commands Manual						       QRENCODE(1)

NAME

       qrencode - Encode input data in a QR Code and save as a PNG or EPS image.

SYNOPSIS

       qrencode [OPTION]...  [STRING]

DESCRIPTION

       Libqrencode  is	a  library  for encoding data in a QR Code symbol, a kind of 2D symbology that can be scanned by handy terminals such as a
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OPTIONS

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	      display help message.

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	      write image to FILENAME. If '-' is specified, the result will be output to standard output. If -S is given, structured  symbols  are
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	      specify the size of dot (pixel). (default=3)

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	      specify error collectin level from L (lowest) to H (highest). (default=L)

       -v NUMBER, --symversion=NUMBER
	      specify the version of the symbol. (default=auto)

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	      specify the width of margin. (default=4)

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	      specify the DPI of the generated PNG. (default=72)

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	      make structured symbols. Version must be specified.

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	      assume that the input text contains kanji (shift-jis).

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	      ignore case distinctions and use only upper-case characters.

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EXAMPLES

       qrencode -l L -v 1 -o output.png 'Hello, world!'
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AUTHOR

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RESOURCES

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COPYRIGHT

       Copyright (C) 2006-2012 Kentaro Fukuchi.

qrencode 3.3.0							   Feb. 29, 2012						       QRENCODE(1)
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