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Full Discussion: Records Inserting
Top Forums Shell Programming and Scripting Records Inserting Post 302771143 by robert89 on Tuesday 19th of February 2013 06:19:31 PM
Old 02-19-2013
Hammer & Screwdriver Records Inserting

Hi Guys ,

I Need to insert records into a file just above the last row .

like i have a file which has records as shown below :

Code:
00012919 7836049      S
00012920 7836049      S
00012921 3828157      Y
00012922 3828157      Y
00012923 3828157      S
T005290070331000012923

i want to introduce the below records above the tail i.e. last row and also edit the last row which has the row number in the ending i.e.12923 here as shown above with the updated row number, two records i want to add are stored in a file :

Code:
00012923 3824017      Y
00012924 3820067      S

Output should be :
Code:
00012919 7836049      S
00012920 7836049      S
00012921 3828157      Y
00012922 3828157      Y
00012923 3828157      S
00012924 3824017      Y
00012925 3820067      S
T005290070331000012925

would appreciate if i get help here .

Last edited by robert89; 02-19-2013 at 08:47 PM..
 

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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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