c program which creates file and write into it

1. import java.util.*;
import java.io.*;
public class TextFileInfoPrinter
{
public static void main(String[]args) throws FileNotFoundException
{
Scanner console= new Scanner(System.in);
System.out.println("File to be read: ");
String inputFile = console.next();
File file = new File(inputFile);
Scanner in = new Scanner(file);
int words = 0;
int lines = 0;
int chars = 0;
while(in.hasNext())
{
in.next();
words++;
}
while(in.hasNextLine())
{
in.nextLine();
lines++;
}
while(in.hasNextByte())
{

2. in.nextByte();
chars++;
}
System.out.println("Number of lines: " + lines);
System.out.println("Number of words: " + words);
System.out.println("Number of characters: " + chars);
}
}
Programto countno ofcharacters
ifstream infile;
//char mystring[6];
//char mystring[20];
int main()
{
infile.open("file.txt");
if(infile.fail())
{
cout << " Error " << endl;
}
int numb_char=0;
char letter;
while(!infile.eof())

3. {
infile.get(letter);
cout << letter;
numb_char++;
}
cout << " the number of characters is :" << numb_char << endl;
infile.close();
return 0;
}
Countsno of lines,words andcharacters
#include<iostream>
#include<fstream>
#include<string>
#include<conio.h>
using namespace std;
// start of main program
int main()
{
string filename;
cout<<"Please enter the data filename: ";

4. // reads the filename fromthe user
cin>>filename;
// open the filefor input.
ifstream infile(filename, std::ifstream::in);
// create the stream in read-only mode
if(!infile){
cout << "Cannot open file for reading.n";
_getch();
return 1;
}
// declares character and integer variables
char ch,c;
int count=1;
int i=0;
int count1=1;
// running the loop until file willend
while(infile.get(ch))
{
cout<<ch;
if(ch==' ')
{

5. count++;
count1++;
}
else if(ch==' ')
count1++;
i=i+1;
}
cout<<"";
// display the number of character, words and line
cout<<"nNumber of characters: "<<i-(count-1+count1-1)<<"";
cout<<"nNumber of words: "<<count1<<"";
cout<<"nNumber of lines: "<<count<<"";
// closes the file
infile.close();
_getch();
return 0;
}
Write a c programto count the numberof character,numberof linesina file
#include<stdio.h>
#include<conio.h>

6. void main()
{
int noc=0,now=0,nol=0;
FILE *fw,*fr;
char fname[20],ch;
clrscr();
printf("n enter the source file name");
gets(fname);
fr=fopen(fname,"r");
if(fr==NULL)
{
printf("n error n");
exit(0);
}
ch=fgetc(fr);
while(ch!=EOF)
{
noc++;
if(ch==' ');
now++;
if(ch=='n')

7. {
nol++;
now++;
}
ch=fgetc(fr);
}
fclose(fr);
printf("n total no of character=%d",noc);
printf("n total no of words=%d",now);
printf("n total no of lines=%d",nol);
getch();
}
Occurences of aword in text file
#include<iostream.h>
#include<fstream.h>
#include<string.h>
int main()
{
ifstream fin("my_data.txt");//opening text file
int count=0;

8. char ch[20],c[20];
cout<<"Enter a word to count:";
gets(c);
while(fin)
{
fin>>ch;
if(strcmp(ch,c)==0)
count++;
}
cout<<"Occurrence="<<count<<"n";
fin.close();//closing file
return 0;
}
Question2
/*************************************************
* C program to count no of lines, wordsand *
* characters in a file. *
*************************************************/
#include <stdio.h>

9. int main()
{
FILE *fp;
char filename[100];
char ch;
int linecount, wordcount,charcount;
// Initialize counter variables
linecount = 0;
wordcount= 0;
charcount = 0;
// Prompt user to enter filename
printf("Enter a filename :");
gets(filename);
// Open file in read-only mode
fp = fopen(filename,"r");
// If file opened successfully, then write the string to file
if ( fp )
{
//Repeat until End Of File character is reached.
while ((ch=getc(fp))!=EOF){
// Increment character count if NOTnew line or space
if (ch!= ' ' && ch != 'n') { ++charcount; }

10. // Increment word count if new line or space character
if (ch == ' ' ||ch == 'n') { ++wordcount;}
// Increment line count if new line character
if (ch == 'n'){ ++linecount; }
}
if (charcount > 0) {
++linecount;
++wordcount;
}
}
else
{
printf("Failed to open the filen");
}
printf("Lines : %d n", linecount);
printf("Words: %d n", wordcount);
printf("Characters : %d n", charcount);
getchar();

11. return(0);
}
C Programto count characters,lines,spaces& tabs in a file.
#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
void main()
{
FILE *fp;
char a[20];
int nol=0,not=0,nob=0,noc=0;
char c;
clrscr();
printf("Enter the name of File:n");
gets(a);
if((fp=fopen(a,"r"))==NULL)
{
printf("File dosen't exist.");
}
else
{
while(1)
{
c=fgetc(fp);
if(c==EOF)
break;

12. noc++;
if(c==' ')
nob++;
if(c=='n')
nol++;
if(c=='t')
not++;
}
}
fclose(fp);
printf("Number of characters = %dn",noc);
printf("Number of blanks = %dn",nob);
printf("Number of tabs = %dn",not);
printf("Number of lines = %dn",nol);
getch();
}
Programcountsno occurrences ofcertainwordintext file
int WordCount ::countWords(string wrd)
{
int counter=0;
string temp = "";
while (getline(*file,temp))
{
for (int i = 0; i < temp.length();i++)
{
if (tolower(temp[i]+ temp[i+1] + temp[i+2]) == (wrd[0]+ wrd[1] + wrd[2]))

13. {
counter++;
}
else if (toupper(temp[i] + temp[i+1] + temp[i+2]) == toupper(wrd[0] + wrd[1] + wrd[2]))
{
counter++;
}
}
}
return counter;
}