Write a C Program to convert file contents to uppercase using file handling

By | 01.12.2016

Convert file contents to uppercase


Write a C Program to convert file contents to uppercase using file handling. Here’s simple Program to convert file contents to uppercase using file handling in C Programming Language.


Below is the source code for C Program to convert file contents to uppercase using file handling which is successfully compiled and run on Windows System to produce desired output as shown below :


SOURCE CODE : :


/*  C Program to convert file contents to uppercase using file handling  */

#include<stdio.h>
int main()
{
 int c;
 FILE *fr,*fw;

 if((fr=fopen("C:\\Users\\acer\\Documents\\file4.txt","r"))==NULL)
 {
  printf("File can't be open.");
  return 1;
 }
 if((fw=fopen("C:\\Users\\acer\\Documents\\file5.txt","r+"))==NULL)
 {
  printf("File can't be open.");
  fclose(fr);
  return 1;
 }
 while(1)
 {
  c=fgetc(fr);
  if(feof(fr))
    break;
  c=~c;
  fputc(c,fw);
 }
 printf("\nFile4.txt successfully converted to Uppercase.!!!\n");

 fclose(fr);
 fclose(fw);
 return 0;
}

OUTPUT : :


/*  C Program to convert file content to uppercase using file handling  */

File4.txt successfully converted to Uppercase.!!!

Above is the source code for C Program to convert file contents to uppercase using file handling which is successfully compiled and run on Windows System.The Output of the program is shown above .

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Category: C Programming File Handling Tags:

About Tunde A

My name is Tunde Ajetomobi, a Tech Enthusiast and Growth Hacker. I enjoy creating helpful content that solves problem across different topics. Codezclub is my way of helping young aspiring programmers and students to hone their skills and find solutions on fundamental programming languages.

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