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Full Discussion: Query
Top Forums UNIX for Dummies Questions & Answers Query Post 302442843 by abhi_n123 on Thursday 5th of August 2010 03:26:58 PM
Old 08-05-2010
Question Query

Hi,

I have a script to remove null values from a file. Could any one explain how this is working? Smilie

Code:
while read f
do
    echo process $f
    gawk '{sub(/\|\000*$/,"|");print }' $f > $f.tmp
    mv $f.tmp $f
done <<_EOF_
file514BAR
_EOF_


Last edited by Scott; 08-05-2010 at 06:25 PM.. Reason: Please use code tags
 

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IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). Free Software Foundation Nov 3 1999 IGAWK(1)
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