Answer Posted / manuswami

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

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1129

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on “sed” command EmpData(Sample Database) 1122|j.b. saxena |g.m. |account |12/12/52|6000 2233|n.k. gupta |d.g.m |sales |31/12/40|9000 4545|anil agarwal |director |account |06/07/47|7500 5656|lalit choudhury |executive|marketing|07/09/50|5000 1265|chanchal singhvi|g.m. |admin |12/09/63|6000 0110|shyam saksena |chairman |marketing|12/12/43|8000 5566|jai sharma |director |account |23/12/89|7000 7733|jayant |d.g.m |sales |29/02/70|6000 1. From the above database substitute the delimiter of first 3 lines with “ : “ 2. From the above database substitute the delimiter with “ : ” 3. Insert the string “ XYZ Employees” in the first line. 4. Store the lines pertaining to the directors, d.g.m and g.m into three separate files. 5. Using address store first 4 lines into a file Empupdate. 6. Find the pattern “account” in the database and replaces that with “accounts”. 7. Select those lines which do not have a pattern “g.m”. 8. Insert a blank line after every line in the database.

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