How to find the Largest and Smallest number in the given numbers in Unix

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# To find the Largest and Smallest number in the given numbers      #

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#!/bin/ksh

# To make sure sufficient arguments

if [ $# -ne 1 ]

then

  echo "Please provide the sufficient arguments"

  echo "bigsmall file_name"

  exit -1

fi

# Declaring and Assigning values to the local variables

set -A LIST `cat /clocal/fme/prod/forecast/padu/Lilly/numberlist.txt`

a=${#LIST[*]}

Small=${LIST[0]}

Big=${LIST[0]}

# Implementation of logic to find the biggest and smallest number

for i in ${LIST[*]}

do

 if [ $i -lt $Small ]

  then

  Small=$i

 elif [ $i -gt $Big ]

  then

  Big=$i

 fi

done

 echo "Smallest = $Small"

 echo "Biggest = $Big"

exit 0

How to find the biggest among 3 given numbers in Unix

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# To find the biggest among 3 given numbers                                          #

##################################################################

#!/bin/ksh/

# To make sure sufficient arguments

if [ $# -ne 3 ]

then

echo "Please provide the three arguments"

exit -1

fi

# Declaring and assigning values to the local variables

A=$1

B=$2

C=$3

#Logical part to find the largest number among 3 numbers

if [ $A -gt $B  -a  $A -gt $C ]

   then

   echo "A $A is the biggest number"

        elif  [ $B -gt $A  -a  $B -gt $C ]

        then

        echo "B $B is the biggest number"

                elif  [ $C -gt $A -a  $C -gt $B ]

                then

                echo "C $C is the biggest number"

   elif  [ $A -eq $B -a $A -eq $C -a $B -eq $C -a  $C -eq $B ]

   then

  echo "All numbers are same"

fi

exit 0