cla.md

Command Line Arguments

greet.c

#include <cs50.h>
#include <stdio.h>

int main(int argc,string argv[])
{
    printf("Hello, ");
    if (argc!=1)
    {
        for (int i=0, n=argc-1;i<n;i++)
        {
            printf("%s ",argv[i+1]);
        }
    }
    else
    {
        printf("world");
    }
    printf("\n");
}

In CMD, type

make greet
./greet
./greet IA
./greet infinity Aspirations

cowsay

Type this in CMD

cowsay i love you.

Other animals

cowsay -f sheep mehhh