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Full Discussion: Extract pattern from file
Top Forums Shell Programming and Scripting Extract pattern from file Post 302930056 by deepakiniimt on Tuesday 30th of December 2014 02:08:08 AM
Old 12-30-2014
Extract pattern from file

hi,
file is having entries like below
Code:
NRTMRC1=some value
NRTSMO1=some value
NRTMAA1=some value
NRTSCO1=some value
NRTSSMA1=some value
NRTMRC11=some value
NRTSMO11=some value
NRTMAA11=some value
NRTSCO11=some value
NRTSSMA11=some alue
NRTSSMMAA11=some value
MNRMRC1=some value
MNRSMO1=some value

i want to get record using a script, cut that row only which matches this pattern . parameters passed to scripts are first three characters in below example [these numbers can vary ,can be 4 ,5..but then those 4 or 5 characters will be passed to script,] and digit number ,
Code:
./script NRT 1 .

script should get the records as below:
Code:
NRTMRC1=some value
NRTSMO1=some value
NRTMAA1=some value
NRTSCO1=some value
NRTSSMA1=some value


Last edited by Scrutinizer; 12-30-2014 at 05:25 AM.. Reason: code tags
 

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ppmtosixel(1)                                                 General Commands Manual                                                ppmtosixel(1)

NAME
ppmtosixel - convert a portable pixmap into DEC sixel format SYNOPSIS
ppmtosixel [-raw] [-margin] [ppmfile] DESCRIPTION
Reads a portable pixmap as input. Produces sixel commands (SIX) as output. The output is formatted for color printing, e.g. for a DEC LJ250 color inkjet printer. If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled. A printer control header and a color assignment table begin the SIX file. Image data is written in a compressed format by default. A printer control footer ends the image file. OPTIONS
-raw If specified, each pixel will be explicitly described in the image file. If -raw is not specified, output will default to com- pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands. A raw file is often an order of magni- tude larger than a compressed file and prints much slower. -margin If -margin is not specified, the image will be start at the left margin (of the window, paper, or whatever). If -margin is speci- fied, a 1.5 inch left margin will offset the image. PRINTING
Generally, sixel files must reach the printer unfiltered. Use the lpr -x option or cat filename > /dev/tty0?. BUGS
Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion. If the original PPM maxval was greater than 100, rescaling also reduces the image depth. While the actual RGB values from the ppm file are more or less retained, the color palette of the LJ250 may not match the colors on your screen. This seems to be a printer limitation. SEE ALSO
ppm(5) AUTHOR
Copyright (C) 1991 by Rick Vinci. 26 April 1991 ppmtosixel(1)
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