Write a shell script to Perform Following String Operations
Definition : Write A Script To Perform Following String Operations Using Menu:
1. COMPARE
TWO STRINGS.
2. JOIN
TWO STRINGS.
3. FIND
THE LENGTH OF A GIVEN STRING.
4. OCCURRENCE
OF CHARACTER AND WORDS
5. REVERSE THE STRING.
File Name : ex18.sh
clear
choice=y
while
[ "$choice" = "y" ]
do
echo
"____________________________________________"
echo
"1. COMPARE TWO STRINGS"
echo
"2. JOIN TWO STRINGS"
echo
"3. FIND THE LENGTH OF A GIVEN STRING"
echo
"4. OCCURRENCE OF CHARACTER AND WORDS"
echo
"5. REVERSE THE STRING"
echo
"6. EXIT"
echo
"____________________________________________"
echo
"Enter Choice: \c"
read
ch
echo
"____________________________________________"
case
$ch in
1)
echo "Enter String1: \c"
read str1
echo "Enter String2: \c"
read str2
if [ $str1 = $str2 ]
then
echo "String is
equal"
else
echo "String is not
equal"
fi
;;
2)
echo "Enter String1: \c"
read str1
echo "Enter String2: \c"
read str2
str3=$str1$str2
echo "Join String: \c" $str3
;;
3)
len=0
echo "Enter String1: \c"
read str1
len=$(echo "$str1" | wc
-c)
len=`expr $len - 1`
echo "Length: " $len
;;
4)
echo "Enter String: \c"
read str
echo "Enter Word to find : \c"
read word
echo $str | cat > str1.txt
grep -o $word str1.txt | cat >
str2.txt
count=`grep -c $word str2.txt`
echo "Count: \c"$count
;;
5)
echo "Enter String1: \c"
read str
len=`expr $str | wc -c`
len=`expr $len - 1`
while [ $len -gt 0 ]
do
rev=`expr $str | cut -c $len`
ans=$ans$rev
len=`expr $len - 1`
done
echo "Reverse String: \c"$ans
;;
6) exit ;;
*) echo "Invalid Choice ....." ;;
esac
echo "Do u want to continue.....?
[y/n]"
read choice
case $choice in
Y|y) choice=y;;
N|n) choice=n;;
*) choice=y;;
esac
done
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