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Shell script to check if a string is a palindrome?

Computer Programming Questions

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Best Answer

len=0

i=1

echo -n "Enter a String: "

read str

len=`echo $str | wc -c`

len=`expr $len - 1`

halfLen=`expr $len / 2`

while [ $i -le $halfLen ]

do

c1=`echo $str|cut -c$i`

c2=`echo $str|cut -c$len`

if [ $c1 != $c2 ] ; then

echo "string is not palindrome"

exit

fi

i=`expr $i + 1`

len=`expr $len - 1`

done

echo "String is Palindrome"

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