write a shell program to check wheather a given string is
pallindrome or not?
Answers were Sorted based on User's Feedback
Answer / mahesh gupta
this script is written for bash :
echo Enter the string
read s
echo $s > temp
rvs="$(rev temp)"
if [ $s = $rvs ]
then
echo "it is palindrome"
else
echo " it is not"
fi
Is This Answer Correct ? | 21 Yes | 6 No |
Answer / ishita sen
echo Enter the string
read s
echo $s > temp
rvs="$(rcs temp)"
if [ $s = $rcs ]
then
echo "it is palindrome"
else
echo " it is not"
fi
Is This Answer Correct ? | 11 Yes | 5 No |
Answer / goutamkumar
len=0
i=1
tag=0
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 != $c2 ] ; then
i=$halfLen
tag=1
fi
i=`expr $i + 1`
len=`expr $len - 1`
done
if [ $tag -eq 0 ]
then
echo "String is Palindrome"
else
echo "String is not Palindrome"
fi
Is This Answer Correct ? | 6 Yes | 1 No |
Answer / sudhir
#!/bin/ksh
i=1
tag=0
print -n "Enter a String:"
read str
len=`echo $str | wc -c`
if [[ $len -eq 1 ]]
then
print "Enter a valid string"
exit 2;
fi
let len=len-1
let halflen=len/2;
while [[ $i -le $halflen ]]
do
c1=`echo $str | cut -c $i`
c2=`echo $str | cut -c $len`
if [[ $c1 != $c2 ]]
then
tag=1;
fi
i=`expr $i + 1`
len=`expr $len - 1`
done
if [ $tag -eq 0 ]
then
echo "String is Palindrome"
else
echo "String is not Palindrome"
fi
Is This Answer Correct ? | 0 Yes | 0 No |
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