Answer / abhijeet chavan (cts)

set -x
input_string=$1
if [ -z "$input_string" ] ; then
echo "Please enter a Text along with the script name\n"
exit
fi

reversed_string=$(rev $input-string)
if [ "$input_string" -eq "$reverse_string" ] ; then
echo "The String $input_String is a Palindrome"
else
echo "This string is not a palindrome"
fi

Answer / onkar

# Check wheather given number is Palindrome or Not ?
# for ex- 121 -palindrome ,123 -Not palindrome

echo "Enter Number\n"
read no
n1=$no
rev=0
while [ $n1 -ne "0" ]
do
rem=`expr $n1 % "10"`
n1=`expr $n1 / "10"`
rev=`expr $rem + $rev \* "10"`
done
if [ $no -eq $rev]
then
echo Palindrome
else
echo Not Palindrome
fi

Answer / purbasha jana

echo "Enter number : "
read n

# store single digit
sd=0

# store number in reverse order
rev=""

# store original number
on=$n

while [ $n -gt 0 ]
do
sd=$(( $n % 10 )) # get Remainder
n=$(( $n / 10 )) # get next digit
# store previous number and current digit in reverse
rev=$( echo ${rev}${sd} )
done

if [ $on -eq $rev ];
then
echo "Number is palindrome"
else
echo "Number is NOT palindrome"
fi

Answer / sunny garg

echo "Enter the string"
read s
echo "$s -gt temp"
rvs="$(rev temp)"
if [ $s -eq $rvs ]
then
echo "it is palindrome"
else
echo " it is not"
fi

Answer / akshay telang

#! /usr/bin/ksh
string=$1
str1=$1
pal=""
typeset -R1 last

while ((${#string})) ; do
last=$string
pal=${pal}${last}
if ((${#string} > 1)) ; then
typeset -L$((${#string}-1)) oneLess=$string
string=$oneLess
else
string=
fi
done
if [ "$str1" == "$pal" ]
then
echo "String is a Palindrome"
else
echo "String is not a Palindrome"
fi

Answer / shashank gonte

#!/bin/sh

if [ $# -eq 1 ] #accept input through as parameter to #
command
then
echo $1 > temporary.txt #store input to a file

if [ `cat temporary.txt` = `rev temporary.txt` ]
then
echo -e "\n\n$1 is pelindrome\n\n"
else
echo -e "\n\n$1 is not pelindrome\n\n"
fi

rm temporary.txt #remove temporary created file
else #input validation for only one parameter accepted
echo -e "\n\ninvalid no of argument please enter
only one string argument\n\n"
exit 0
fi

Answer / dhyan@addiction

# PROGRAM TO FIND OUT WHETHER THE A INPUTED STRING IS
PALINDROME OR NOT.

echo -n "Please enter a string: "
read input_string
echo $input_string >> temp
reversed_string="$(rev temp)"
if [ $input_string = $reversed_string ]
then
echo -e "The string$input_string is palindrome\n"
else
echo -e "This string is not palindrome\n"
fi
rm temp #to use same file again and again

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