Opening a Text File Using C++

A very simple code to open a text file using C++ as my programming language.

I am using Dev C++ as my C compiler in writing this program.

If you like my work please click the ads on my website to support my work. I will really appreciate your help. 

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Program Listing

#include <iostream>

#include <fstream>

using namespace std;

int main(){

  fstream file;

  file.open ("example.txt", ios::out | ios::in );

  return 0;

}

Write a Text File in C

A simple program that I wrote using C programming to write a text file. 

I am using Dev C++ as my C compiler in writing this program.

If you like my work please click the ads on my website to support my work. I will really appreciate your help. 

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Program Listing

/*open_write_read.c

 Author   : Mr. Jake R. Pomperada, MAED-IT

 Tool     : Dev C++ Version 5.11

 Date     : December 2, 2018  Sunday 6:30 AM 

*/

/* Open, write and close a file : */

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

int main()

{

  FILE *fp ;

  char data[100];

    

  printf("\n\n");

  printf("\tText File Opening, Write and Read Example in C");

  printf("\n\n");

    // opening an existing file

    printf( "\tOpening the file write.txt in write mode" ) ;

    printf("\n\n");

    fp = fopen("write.txt", "w") ;

    if ( fp == NULL )

    {

        printf( "Could not open file write.txt" ) ;

        return 1;

    }

    printf("\tEnter some text from keyboard to write in the file write.txt" );  

printf("\n\n"); 

  /* getting input from user */

    while ( strlen ( gets( data ) ) > 0 )

    {

        /* writing in the file */

        fputs(data, fp) ;   

        fputs("\n", fp) ;

    }

    /* closing the file */

  printf("\n");  

  printf("\tClosing the file write.txt") ;

  fclose(fp);

  printf("\n");

  printf("\tData have been written successfully.");

  printf("\n\n");

  printf("\tEND OF PROGRAM");

  printf("\n\n");

  system("pause");

}

Reading a Text File in C Language

In this article, I would like to show you how to read a text file using C programming language. I am using Dev C++ as my C compiler in writing this program.

If you like my work please click the ads on my website to support my work. I will really appreciate your help. 

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Content of the write.txt

Program Listing

/*read_file.c

 Author    : Mr. Jake Rodriguez Pomperada,BSCS,MAED-IT

 Date      : December 2, 2018  Sunday 11:26 AM

 Location  : Bacolod City, Negros Occidental

 Website   : http://www.jakerpomperada.com

 Emails    : jakerpomperada@jakerpomperada.com

             jakerpomperada@gmail.com

             jakerpomperada@yahoo.com

             jakerpomperada@aol.com

*/

#include <stdio.h>

#include <stdlib.h> /* For exit() function */

#include <stdlib.h> /* For system("pause"); statement */

int main()

{

    char c[1000];

    FILE *fptr;

    if ((fptr = fopen("write.txt", "r")) == NULL)

    {

        printf("Error! opening file");

        /* Program exits if file pointer returns NULL. */

        exit(1);         

    }

    /* reads text until newline */

    fscanf(fptr,"%[^\n]", c);

    printf("\n");

    printf("\tReading Data from the file:\n\n%s", c);

    fclose(fptr);

    printf("\n\n");

  printf("\tEND OF PROGRAM");

  printf("\n\n");

  system("pause");

}

Escape Sequences in C Language

In this article, I would like to share with you a sample program that I wrote using C programming language how to use escape sequence in a C program. If you like my work please click the ads on my website to support my work. I will really appreciate your help. 

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Program Listing

/* escape_sequence.c

   Author   : Jake Rodriguez Pomperada,BSCS,MAED-IT

   Date     : November 19, 2018   6:59 AM

   Location : Bacolod City, Negros Occidental

   Website  : http://www.jakerpomperada.com

   Emails   : jakerpomperada@jakerpomperada.com

              jakerpomperada@gmail.com

              jakerpomperada@yahoo.com

              jakerpomperada@aol.com

*/

#include <stdio.h>

int main()

{

printf("\n\tThis\n\tis\n\ta\n\ttest\n\tonly.\n\n\tJake said, \"How are you Julianna?\"");

printf("\n\n");

printf("\tEnd of Program");

printf("\n\n");

}

Enum Statement in C

A very simple program that I wrote to show how to use enum statement in C programming language. If you like my work please click the ads on my website to support my work. I will really appreciate your help. 

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Program Listing

/* enum_example.c

  Enum Example Program

  Author   : Jake R. Pomperada,MAED-IT

  Tool     : Dev C++ Version 5.11

  Date    : November 19, 2018   Monday  10:25 AM

*/

#include <stdio.h>

int main()

{

enum MONTH {Jan=0,Feb,Mar};

enum MONTH month = Mar;

printf("\n\n");

     printf("\tEnum Program Demonstration");

     printf("\n\n");

  if (month == 0) {

printf("\tValue of January.");

} else if (month == 1) {

printf("\tMonth is February.");

}

if (month == 2) {

printf("\tMonth is March.");

}

printf("\n\n");

     printf("\tEnd of Program");

     printf("\n\n");

}

Student Subject Grade Solver in PHP

A simple student subject grade solver that I wrote in PHP a very long time an ago while I am still a beginner in PHP programming.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Program Listing

index.php

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>Grade Solver</title>

</head>

<body>

<form action="grade_result.php" method="post">

<table width="301" border="1">

  <tr>

    <td width="141">Enter Prelim:</td>

    <td width="144"><label>

      <input type="text" name="txtpre" id="textfield" />

    </label></td>

  </tr>

  <tr>

    <td>Enter Midterm:</td>

    <td><label>

      <input type="text" name="txtmid" id="textfield2" />

    </label></td>

  </tr>

  <tr>

    <td>Enter Semifinal:</td>

    <td><label>

      <input type="text" name="txtsem" id="textfield3" />

    </label></td>

  </tr>

  <tr>

    <td>Enter Final:</td>

    <td><label>

      <input type="text" name="txtfin" id="textfield4" />

    </label></td>

  </tr>

  <tr>

    <td><label>

      <input type="submit" name="submit" id="button" value="Compute" />

    </label></td>

    <td><label>

      <input type="reset" name="clear" id="button2" value="Clear" />

    </label></td>

  </tr>

</table>

<p>&nbsp;</p>

</form>

</body>

</html>

grade_result.php

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>Grade Solver</title>

</head>

<body>

<?php

$pre = $_POST['txtpre'];

$mid = $_POST['txtpre']; 

$sem = $_POST['txtsem'];

$fin = $_POST['txtfin'];

$avg=($pre + $mid + $sem + $fin)/4;

if ($avg <=75)

{

$remarks="POOR";

}

else if (avg<=80)

{

$remarks="NI";

}

else if ($avg<=85)

{

$remarks="GOOD";

}

else if ($avg<=90)

{

$remarks="Excelent";

}

else 

{

$remarks="Outstanding";

}

?>

<table width="348" border="1">

  <tr>

    <td width="174">Prelim Grade:</td>

    <td width="158"><?php echo $pre; ?></td>

  </tr>

  <tr>

    <td>Midterm Grade:</td>

    <td><?php echo $mid; ?></td>

  </tr>

  <tr>

    <td>Semi-Final Grade:</td>

    <td><?php echo $sem; ?></td>

  </tr>

  <tr>

    <td>Final Grade:</td>

    <td><?php echo $fin; ?></td>

  </tr>

  <tr>

    <td>Your Average is:</td>

    <td><?php echo $avg; ?></td>

  </tr>

  <tr>

    <td>Your Remarks is:</td>

    <td><?php echo $remarks; ?></td>

  </tr>

</table>

</body>

</html>

Odd and Even Numbers Using Until Loop in Ruby

Write a program that will ask the user to give a number and then the program will list down the odd and even numbers using until loop statement.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Program Listing

# odd_even.rb

# Author   : Jake Rodriguez Pomperada,BSCS,MAED-IT

# Date     : June 14, 2019   Friday  1:55 PM

# Address  : Bacolod City, Negros Occidental

# Tools    : Eclipse IDE and Ruby Version 2.6.3

# Location : Bacolod City, Negros Occidental  

# Website  : http://www.jakerpomperada.com

# Emails   : jakerpomperada@gmai.com and jakerpomperada@yahoo.com

puts "\n\n"

print "\tOdd and Even Numbers Using Until Loop ";

puts "\n\n"

print("\t");

print("Give a number : ");   

num_val = gets.chomp   

num_val = num_val.to_i;

print("\n");

print("\tList of Odd Numbers")

print("\n\n");

print("\t");

index = 1;

until index >= num_val 

    print(" #{index} ")

    index += 2;

end

print("\n\n");

print("\tList of Even Numbers")

print("\n\n");

print("\t");

index = 0;

until index >= num_val 

    print(" #{index} ")

    index += 2;

end

print "\n\n";

print "\tEND OF PROGRAM";

print "\n\n";