Shell Programming and Scripting

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awk '{m=NF; b=$1; for (i=1; i<=NF; i++) {if($i>=b) {m--;b=$i;}} print m;}' infile

$ awk '$1>$2&&$1>$3{o=2}$2>$1&&$2>$3{o=1}$3>$1&&$3>$2{o=0}{print o}' input.txt
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#!/usr/bin/awk -f

# @(#) a1	Demonstrate finding maximum of triplet.

# For each line, do 2 comparisons, up to 5 stores.
{ max = $1 ; key = 2
  if ( $2 > max ) { max = $2 ; key = 1 }
  if ( $3 > max ) { key = 0 }
  print key
}

% ./a1 data1 
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