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Full Discussion: Parse tags into arrays
Top Forums Shell Programming and Scripting Parse tags into arrays Post 302756093 by sinpeak on Tuesday 15th of January 2013 07:28:35 AM
Old 01-15-2013
Parse tags into arrays
Hello,

I am writing a PERL code. The code is given a file which has data in the format of :

Code:
<Tag Name> <Tag value>

e.g. :

Code:
FIRSTNAME DAVID

Now, the file to be processed by the PERL code has data something like this :

Code:
TAGSTART
FIRSTNAME DAVID
LASTNAME RHODES
<some other tags>
<some other tags>
ACCOUNT 1000901
<some other tags>
<some other tags>
BILLAMOUNT 4200
<some other tags>
<some other tags>
TAGEND

The entire set of tags from TAGSTART through TAGEND are repeated multiple times in a file. The number of times of repetition is not fixed in a file.

The PERL code is required to process the file such that we have 1 array of the following pairs :

"ACCOUNT" tag value - "BILLAMOUNT" tag value

Could please point out any approach that would be the best to achieve this ?

Thanks.
Last edited by Scrutinizer; 01-15-2013 at 08:54 AM.. Reason: code tags
sinpeak
 

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LEARN ABOUT FREEBSD

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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