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Full Discussion: Read files including spaces
Top Forums Shell Programming and Scripting Read files including spaces Post 73868 by jerardfjay on Monday 6th of June 2005 07:55:20 AM
Old 06-06-2005
Quote:
Originally Posted by kumariak
I am accessing two files. I am using read command to read from the files.
fil1 contains the following

Quote:
A b c d e
e d c b A
fil2 contains the following

Quote:
Abcde
edcbA
The following code test.sh

Code:
#! /usr/bin/ksh
echo "processing file 1 delimited by spaces"
IFS=" "
while read line
do
echo $line
done < fil1

echo "processing file 2 delimited by EOL"
IFS=\$
while read line
do
echo $line
done < fil2

will output the following

processing file 1 delimited by spaces
A b c d e
e d c b A
processing file 2 delimited by EOL
Abcde
edcbA

Is this what you were looking for?
 

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LEARN ABOUT REDHAT

ppmtopgm

ppmtopgm(1)						      General Commands Manual						       ppmtopgm(1)

NAME

       ppmtopgm - convert a portable pixmap into a portable graymap

SYNOPSIS

       ppmtopgm [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as  input.  Produces a portable graymap as output.  The output is a "black and white" rendering of the original
       image, as in a black and white photograph.  The quantization formula used is .299 r + .587 g + .114 b.

       Note that although there is a pgmtoppm program, it is not necessary for simple conversions from pgm to ppm , because any  ppm  program  can
       read  pgm  (and	pbm  ) files automatically.  pgmtoppm is for colorizing a pgm file.  Also, see ppmtorgb3 for a different way of converting
       color to gray.  And ppmdist generates a grayscale image from a color image, but in a way that makes it easy to differentiate  the  original
       colors, not necessarily a way that looks like a black and white photograph.

QUOTE

       Cold-hearted orb that rules the night
       Removes the colors from our sight
       Red is gray, and yellow white
       But we decide which is right
       And which is a quantization error.

SEE ALSO

       pgmtoppm(1),ppmtorgb3(1),rgb3toppm(1),ppmdist(1),ppm(5),pgm(5)

AUTHOR

       Copyright (C) 1989 by Jef Poskanzer.

								   10 April 2000						       ppmtopgm(1)
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