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Full Discussion: in sed ,to get longest word
Top Forums UNIX for Advanced & Expert Users in sed ,to get longest word Post 302137717 by ghostdog74 on Wednesday 26th of September 2007 12:28:11 PM
Old 09-26-2007
Code:
awk 'BEGIN{ l=0}
   {  
	  for ( i=1 ;i<=NF;i++){
	     gsub(/[[:punct:]]/,"",$i)
   		 if (length($i) >l ) { 
			l=length($i)
			f=$i		 
		 }		 
	  }	  
   }
   END{
	  print l, f
   }' "file"

output:
Code:
# ./test.sh
12 improvements

 

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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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