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C program to check a specified file exists or not

Here, we are going to learn how to check a specified file exists or not using C program?
Submitted by Nidhi, on August 13, 2021

Problem statement

Given a file path, we have to check whether a specified file exists or not.

C program to check a specified file exists or not

The source code to check a specified file exists or not is given below. The given program is compiled and executed using GCC compile on UBUNTU 18.04 OS successfully.

// C program to check a specified file exist or not

#include <stdio.h>

int main(void)
{
    FILE* filePtr;

    filePtr = fopen("includehelp.txt", "r");

    if (filePtr == NULL) {
        printf("file does not exists.\n");
        return 1;
    }

    printf("file exists.\n");
    fclose(filePtr);

    return 0;
}