SOME COMPUTER STUFF ON C,JAVA,TALLY,BCA,SOLVED PAPERS

#string while true do echo "Enter a choice" echo "1) Compare two strings" echo "2) concatenate two strings" echo "3) length of string" echo "4) Count occurence of string and word from a file" echo "5) reverse a string" echo "6) Put a string words  in an array" read n case $n in 1) echo "enter 2 strings " read s read s2 if [ $s = $s2 ] then echo "Strings are equal" else         echo "Strings are not equal"     if [ $s \< $s2 ]     then     echo "String $s comes first"     else     echo "String $s2 comes first"     fi fi ;; 2) echo "enter 2 strings " read s read s2 s3="$s $s2" echo $s3 ;; 3)echo "enter a string" read s s3=` expr length $s ` echo "Length is $s3"  ;; 4) echo "enter a string" read s echo "enter a word to search in string" read search_word s2=` echo $s | grep -o $search_word | wc -l ` echo ...

echo "Enter a string " read s declare -a arr l=` echo $s| wc -c ` s="$s " i=1 j=0 s3="" S2=""     while [ $i -le $l ]     do     s2=`echo $s |cut -c $i `             if [ ! $s2 = " " ]         then         s3=$s3$s2         else         arr[j]=$s3         s3=""         j=` expr $j \+ 1 `         fi     i=` expr $i \+ 1 `     done echo "The words are:" len=${#arr[@]} u=0 while [ $u -lt $len ] do  echo "${arr[u]}" u=` expr $u \+ 1 ` done

echo "Enter a string " read s s2=` echo $s | rev ` echo "Reversed String is $s2"

echo "enter a string" read s echo "enter a word to search in string" read search_word s2=` echo $s | grep -o $search_word | wc -l ` echo "The number of occurences is $s2"

echo "enter a string" read s s3=` expr length $s ` echo "Length is $s3"  

echo "enter 2 strings " read s read s2 s3="$s $s2" echo $s3

echo "enter 2 strings " read s read s2 if [ $s = $s2 ] then echo "Strings are equal" else         echo "Strings are not equal"     if [ $s \< $s2 ]     then     echo "String $s comes first"     else     echo "String $s2 comes first"     fi fi