SHELL SCRIPT TO FIND POLYNDROME

Polyndrome Or Not:

count=`echo $1 | wc -c`

count=`echo $count - 1|bc`

echo "length of the given string is:"$count

while [ $count -gt 0 ]

do

rev1=`echo $1 | cut -b $count`

rev2=$rev2$rev1

count=`expr $count - 1`

done

if [ $rev2 = $1 ]

then

echo "string is palindrome"

else

echo "string is not palindrome"

fi

OUTPUT:

 [localhost ~]$ sh pol.sh madam

Length of The Given String is:5

String is Palindrome

[localhost ~]$ sh pol.sh sir

Length of The Given String is:3

String is Not Palindrome

[localhost ~]$ sh pol.sh malayalam

Length of The Given String is:9

String is Palindrome

[localhost ~]$