#include<stdio.h>
#include<sys/types.h>
#include<unistd.h>
#include<stdlib.h>

char* getoutput(char* command){
	int pipefd[2];
	pipe(pipefd);
	pid_t pid = fork();
	if(pid){	// We're the parent
		size_t bufsize = 1000;
		size_t readlen = 0;
		char *buf = (char*)malloc(bufsize);
		close(pipefd[1]);
		ssize_t result;
		while(result = read(pipefd[0], buf + readlen, bufsize - readlen)){
			bufsize += 1000;
			readlen += result;
			buf = (char*)realloc(buf, bufsize);
		}
		close(pipefd[0]);
		return buf;
	} else { // We're the child
		close(pipefd[0]);
		dup2(pipefd[1], 1);
		execl("/bin/sh", "sh", "-c", command, 0);
		close(pipefd[1]);
		printf("Warning:  %s did not run correctly\n", command);
	}
}

int main(){
	
	char* cmdoutput = getoutput("cat get_apache_directory.py");
//	char* cmdoutput = getoutput("ls");
	printf("The command output:  %s\n", cmdoutput);
	free(cmdoutput);
	// Now we do something else unrelated for the next 1000 years
	return 0;
}