Linux Tutorial for Beginners - Searching and Comparing Files

nagaras@ltsp-amd64-bravo:~$ cd Desktop
nagaras@ltsp-amd64-bravo:~/Desktop$ grep calc Coffee
double calc_ans = Calc(int_1,int_2);
System.out.printf("The answer is %.2f" , calc_ans);
nagaras@ltsp-amd64-bravo:~/Desktop$

nagaras@ltsp-amd64-bravo:~$ cd Desktop

nagaras@ltsp-amd64-bravo:~/Desktop$ grep calc Coffee

double calc_ans = Calc(int_1,int_2);

System.out.printf("The answer is %.2f" , calc_ans);

nagaras@ltsp-amd64-bravo:~/Desktop$ diff Coffee Apple

1,81d0

< /**@directives

<  * 

<  */

< import java.util.Scanner;

< /**

<  * @author thileban

<  * Lab1 Sep27 2018

<  * 

<  */

< public class LAb_1 {

< /**

< *method CAlc defination 

< * @param x   input

< * @param y   input 

< * @return    type double 

< */

< public static double Calc(int x, int y)

< {

< return ((Math.sqrt(Math.PI*y*y))/(2*x));

<

< }

<

< /**

< * method wordCap

< * @param temp input

< * @return string type

< */

< public static String wordCap(String temp)

< {

< String str1,str2;

< str1 = temp.substring(0,1);

< str2 = temp.substring(1, temp.length());

< return str1.toUpperCase() + str2.toLowerCase();

< }

<

< /**

< * method findKeyWord

< * @param tempstr input 

< * @param kw      input  

< * @return   boolean type

< */

< public static boolean findKeyWord(String tempstr, String kw)

< {

< return tempstr.contains(kw);

< }

<

< /**

< * main method 

< * user data input and call for functions 

< * @param args 

< */

< public static void main(String[] args) {

< Scanner scan = new Scanner(System.in);

<

< System.out.println("Enter Integer One");

< int int_1 = scan.nextInt();

<

< System.out.println("Enter Integer Two");

< int int_2 = scan.nextInt();

<

< double calc_ans = Calc(int_1,int_2);

<

< System.out.printf("The answer is %.2f" , calc_ans);

<

< System.out.println("\n Enter String s");

< String inp_string_1 = scan.next();

<

< System.out.println("Corrected String is " + wordCap(inp_string_1));

< Scanner scan2 = new Scanner(System.in);

< 

< System.out.println("Enter String str\n");

< String inp_string_2 = scan2.nextLine();

<

< System.out.println("Enter String kw\n");

< String inp_string_kw = scan2.next();

<

< System.out.println("Is kw in str? = " + findKeyWord(inp_string_2,inp_string_kw));

< 

< }

< 

< }

nagaras@ltsp-amd64-bravo:~/Desktop$ 

nagaras@ltsp-amd64-bravo:~/Desktop$ passwd

(current) LDAP Password: 

passwd: Authentication token manipulation error

passwd: password unchanged

nagaras@ltsp-amd64-bravo:~/Desktop$ 

nagaras@ltsp-amd64-bravo:~/Desktop$ NAME=Thileban

nagaras@ltsp-amd64-bravo:~/Desktop$ echo hey now 

hey now

nagaras@ltsp-amd64-bravo:~/Desktop$ echo $NAME

Thileban

nagaras@ltsp-amd64-bravo:~/Desktop$ echo My name is $NAME

My name is Thileban

nagaras@ltsp-amd64-bravo:~/Desktop$ 

info echo

cntrl c

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