NAIMCPROGRAM: File Handling

Showing posts with label File Handling. Show all posts

Dictionary Word Search C Program

How to write a C Program to Find Dictionary Word Search ?

Solution For C Program to Find a Word in Dictionary :

C Program to copy a file to another file

How to write a C Program to copy a file to another file in C Programming Language ?

This C Program to copy a file to another file.

Solution:

#include<stdio.h>
void main()
{
FILE *fp1,*fp2;
char ch;
char fname1[30],fname2[30];
printf("Enter the source file: ");
fflush(stdin);
scanf("%s",fname1);
printf("Enter the destination file: ");
fflush(stdin);
scanf("%s",fname2);
fp1=fopen(fname1,"r");
fp2=fopen(fname2,"w");
if(fp1==NULL)
{
printf("\n cannot open file %s for reading",fname1);
exit(1);
}
else if(fp2==NULL)
{
printf("\n cannot open file %s for writing",fname2);
exit(1);
}
else
{
ch=getc(fp1);
while(ch!=EOF)
{
putc(ch,fp2);
ch=getc(fp1);
}
fclose(fp1);
fclose(fp2);
printf("\n files copied");
}
}

C Program to Find the Size of File using File Handling Function

How to write a C Program to Find the Size of File using File Handling Function in C Programming Language ?

Solution:

/*
 * C Program to Find the Size of File using File Handling Function
 */
#include <stdio.h>
 
void main(int argc, char **argv)
{
    FILE *fp;
    char ch;
    int size = 0;
 
    fp = fopen(argv[1], "r");
    if (fp == NULL)
        printf("\nFile unable to open ");
    else 
        printf("\nFile opened ");
    fseek(fp, 0, 2);    /* file pointer at the end of file */
    size = ftell(fp);   /* take a position of file pointer un size variable */
    printf("The size of given file is : %d\n", size);    
    fclose(fp);
}

C Program Read a char & print next char ( file to file )

How to write a c program to read a char & print next char ( file to file ) in C Programming Language ?

Solution:
/* Read a char & print next char ( file to file ) : A character should be written in the file named "readfile.txt" beforehand and we will take this as input to be manipulated and finally written into the file named "writefile.txt" */

C Program to Input Student Details into a File For Two Subjects

How to write a C program to input student details into a file for two subjects in C Programming Language ?

Solution:
/*Entry of student's details into a file for two subjects */

QuickVSInsertion Sorting C Program

How to write a C Program to QuickVSInsertion Sorting C Programming Language ?

Solution:
#include <stdio.h>
#include <stdlib.h> //usado para a fx system("cls"); que limpa a tela
#include <windows.h>
#include <conio.h> //no caso se eu precisar de pausar a tela

File Handling (console to file) in C Program

How to write a C Program Writing a character into a file,reading the character from the console and writing the next letter into the file in C Programming Language ?

Solution:
/* Writing a character into a file,reading the character from the console and writing the next letter into the file*/

#include<stdio.h>
#include<stdlib.h>

int main()
{

FILE *fp; //creates a file pointer
char ch;
int con;

fp=fopen("filehandling.txt","w+"); // creates a text file with label "filehandling" in write mode

if(fp==NULL) //checks for the filename validity
{
printf("\nUnable to open the file\n");
exit(0);
}
printf("\nFile opened successfully\n");

printf("\nEnter the character as input\n");
scanf("%c",&ch);

putc(ch,fp);

fclose(fp);

fp=fopen("filehandling.txt","rwa+");

ch=getc(fp);

con=ch;
con++;
if(con>=97 && con<122)
{

fprintf(fp,"\nthe next char is %c\n",con);
}
else
{
fprintf(fp,"\nthe next char is a\n");
fclose(fp);

// open filehandling.txt file and check the input and output given...
}
}

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