#include <stdio.h>
#include <string.h>

void produce_arglist(char *str, char **ret) {
	char *c = strtok(str, " ");
	ret[0] = c;
	int i = 1;
	while ((c = strtok(NULL, " ")) != NULL) {
		ret[i] = c;
		i++;
	}
	ret[i] = NULL;
}
int exec_piped(char **pipelist[], int num) {
	// 
}
int main() {
	char input[] = "ps -A | grep -i sagar | sed -e | wc -l";
	
	int i;
	char *argstr[16];

	i = 1;
	argstr[0] = strtok(input, "|");
	while ((argstr[i] = strtok(NULL, "|")) != NULL)
		i++;

	char **pipelist[i];

	int j;
	for (j = 0; j<i; j++) {
		// i varies from 0 to num_of_piped_commands"
		char *ret[i];
		produce_arglist(argstr[j], ret);
		pipelist[j] = ret;

			printf("running produce_arglist(%s, ret)...\n", argstr[j]);
			printf("filling pipelist[%d] with ret...\n", j);
			printf("pipelist[%d] now contains:\n", j);

			int q;
			for (q = 0; ret[q] != NULL ; q++)
				printf("\t'%s'\n", ret[q]);
	}
//	exec_piped(pipelist, j);

	return 0;
}