C Program to Count the Total Number of Words using Command Line Argument

This C Program counts total number of words in the sentence using command line argument.

Here is source code of the C Program to Count the total number of words in the sentence using command line argument. The C program is successfully compiled and run on a Linux system. The program output is also shown below.

```
/*
```

 * C Program to Count the Total Number of Words in the Sentence

```
 * using Command Line Argument
```
```
 */
```
```
#include <stdio.h>
```
```
 
```
```
int main(int argc, char *argv[])
```
```
{
```
```
    int i = 0;
```
```
 
```

    /* If no sentence is given in the command line */

```
    if (argc == 1)
```
```
    {
```

        printf("\n No sentence given on command line");

```
        return;
```
```
    }
```
```
    else
```
```
    {
```

        printf("\nThe words in the sentence are:");

```
        /*
```

         * From argv[1] to argv[argc -1] calculate the number of arguments

```
         */
```
```
        for (i = 1;i < argc;i++)
```
```
        {
```
```
            printf("\n%s", argv[i]);
```
```
         }
```

        printf("\n\nTotal number of words:");

```
        printf(" %d", argc-1);
```
```
    }
```
```
}
```

$ gcc arg1.c
$ a.out Welcome to C Class
 
The words in the sentence are:
Welcome
to
C
Class
 
Total number of words: 4
 
a.out
 
No sentence given on command line

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