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Full Discussion: Formatting and combining fields of the input file
Top Forums Shell Programming and Scripting Formatting and combining fields of the input file Post 302604542 by rochitsharma on Monday 5th of March 2012 10:01:10 AM
Old 03-05-2012
Formatting and combining fields of the input file
Hi,

I have a file of the following format:

Code:
AV 103
AV 104
AV 105
AV 308
AV 517
BN 210
BN 211
BN 212
BN 218

and the desired output is :

Code:
AV 103-105 3
AV 308 1
AV 517 1
BN 210-212 3
BN 218 1

In the output file the first field is the string only. The second field is the id sequence that is till the counting is continuous like in first case AV is continuous from 103-105 and in next two cases only single num is there as no continuous sequence exists. In forth line of output again continuous seq of counting exists from 210-212.
In the third field of output we have the count of the sequence that are clubbed like in first case 103-105 has a third field of count as 3.

Can anyone help me in converting my input file into the desired output.
Thanks in advance
Last edited by joeyg; 03-05-2012 at 11:07 AM.. Reason: Please wrap sample data and scripts in CodeTags
 

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LEARN ABOUT ULTRIX

ppmtosixel

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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