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Top Forums Shell Programming and Scripting How to Read the entire file using while loop Post 302318732 by ghostdog74 on Friday 22nd of May 2009 06:43:44 AM
Old 05-22-2009
Quote:
Originally Posted by AlbertGM
To read a file line by line I should use:
Code:
cat $FILENAME | while read line; do 
   PARSER_NAME=`echo $line | awk ' { print $1; } '`
   HOST_NAME=`echo $line | awk ' { print $2; } '`
   #[...]
done

Regards,

Albert.
no need to cat. Also , if using awk, no need to use while read loop
Code:
awk '{
   parsername=$1
   hostname=$2
   #some other code
}' $filename

 

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ACTDIAG(1)						      General Commands Manual							ACTDIAG(1)

NAME
actdiag - generate activity-diagram image file from spec-text file. SYNOPSIS
actdiag [options] files DESCRIPTION
This manual page documents briefly the actdiag commands. actdiag is a program that generate activity-diagram image file from spec-text file. OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. For a complete description, see the Info files. -h, --help show this help message and exit -a, --antialias Pass diagram image to anti-alias filter -c FILE, --config=FILE read configurations from FILE -o FILE write diagram to FILE -f FONT, --font=FONT use FONT to draw diagram -s, ----separate Separate diagram images for each group (SVG only) -T TYPE Output diagram as TYPE format SEE ALSO
The programs are documented fully by http://tk0miya.bitbucket.org/actdiag/build/html/index.html AUTHOR
actdiag was written by Takeshi Komiya <i.tkomiya@gmail.com> This manual page was written by Kouhei Maeda <mkouhei@palmtb.net>, for the Debian project (and may be used by others). June 5, 2011 ACTDIAG(1)
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