Shell script to find processes with lots of CPU time

Here it is, a shell script.

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#!/bin/sh
# By Steven.Hauser-1@tc.umn.edu
# Find non root processes with more than TLIMIT minutes of CPU time.
# For machine Sun Solaris 2.6 

# MINUTES equals the first parameter or 5 if no parameter.
MINUTES=$1
MINUTES=${MINUTES:=5}

AWK=/usr/bin/nawk

ps -ef |
$AWK 'BEGIN {TLIMIT='$MINUTES'}
      $7 ~ ":"  { split ($7,t,":"); 
                  if (t[1] >= TLIMIT) {print $0 }}
      $8 ~ ":"  { split ($8,t,":");
                  if (t[1] >= TLIMIT) {print $0}}' | 
grep -v root | sort 

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