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Operating Systems Linux Red Hat Need help with a shell script for finding a certain pattern from log file Post 302495377 by Franklin52 on Thursday 10th of February 2011 04:50:50 AM
Old 02-10-2011
Code:
awk -F"/" '{
  gsub("[ &,?].*",x)
  s=toupper($2)
}
s in a {next}
{a[s]}1' file

This is a command to get rid of the characters &, ? and ' ' and to remove the duplicates.

The example above shows an example of the content of a file with those characters, the awk command and the final output.

You could use the command in a script or on the command line.
 

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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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