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

This C Program finds the size of file using file handling function.

Here is source code of the C Program to find the size of file using file handling function. The C program is successfully compiled and run on a Linux system. The program output is also shown below.

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

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 */
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#include <stdio.h>
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```
 
```
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void main(int argc, char **argv)
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```
{
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    FILE *fp;
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    char ch;
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    int size = 0;
```
```
 
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    fp = fopen(argv[1], "r");
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```
    if (fp == NULL)
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        printf("\nFile unable to open ");

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    else 
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```
        printf("\nFile opened ");
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    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);

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    fclose(fp);
```
```
}
```

$ vi file10.c
$ cc file10.c
$ a.out myvmlinux
 
File opened The size of given file is : 3791744

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