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Full Discussion: How to take input from different files for using the counter variable?
Top Forums Shell Programming and Scripting How to take input from different files for using the counter variable? Post 302815165 by balajesuri on Friday 31st of May 2013 05:31:45 AM
Old 05-31-2013
Quote:
Originally Posted by Optimus81
EX : There will 5 token.txt file which will have say around 1000 (token)lines, once it has read first 1000 token from first file, it should switch over to next file ans so on.
Code:
filearr=( tokfile1.txt
          tokfile2.txt
          tokfile3.txt
          tokfile4.txt
          tokfile5.txt
        )

for file in ${filearr[@]}
do
    while read token
    do
        ...
        ...
        <do more with $token>
        ...
        ...
    done < $file
done

 

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LEARN ABOUT REDHAT

ppmquantall

ppmquantall(1)						      General Commands Manual						    ppmquantall(1)

NAME

       ppmquantall - run ppmquant on a bunch of files all at once, so they share a common colormap

SYNOPSIS

       ppmquantall [-ext extension] ncolors ppmfile ...

DESCRIPTION

       Takes a bunch of portable pixmap as input.  Chooses ncolors colors to best represent all of the images, maps the existing colors to the new
       ones, and overwrites the input files with the new quantized versions.

       If you don't want to overwrite your input files, use the -ext option.  The output files are then named the same as the input files, plus  a
       period and the extension text you specify.

       Verbose	explanation:  Let's  say  you've got a dozen pixmaps that you want to display on the screen all at the same time.  Your screen can
       only display 256 different colors, but the pixmaps have a total of a thousand or so different colors.  For a single pixmap you  solve  this
       problem	with  ppmquant;  this  script  solves  it for multiple pixmaps.  All it does is concatenate them together into one big pixmap, run
       ppmquant on that, and then split it up into little pixmaps again.

       (Note that another way to solve this problem is to pre-select a set of colors and then use ppmquant's -map option  to  separately  quantize
       each pixmap to that set.)

SEE ALSO

       ppmquant(1), ppm(5)

BUGS

       It's a csh script.  Csh scripts are not portable to System V.  Scripts in general are not portable to non-Unix environments.

AUTHOR

       Copyright (C) 1991 by Jef Poskanzer.

								   27 July 1990 						    ppmquantall(1)
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