#include <stdio.h> /* fprintf(3), stderr, NULL */
#if !defined EX_OK || !defined EX_USAGE
#	include <sysexits.h>
#endif
#include <unistd.h> /* getopt(3) */
#include "libfileis.h" /* f_executable(3), f_exists(3), f_readable(3),
                        * f_writeable(3) */

static char *program_name = "fileis";

int main(int argc, char *argv[]){
	int c;

	if(argc < 2)
		goto usage;

	while((c = getopt(argc, argv, "erwx")) != -1)
		switch(c){
		default:  goto usage;
		}

	if(optind == argc){
usage:		fprintf(stderr, "Usage: %s (-ehrwx) [file]\n",
			argv[0] == NULL ? program_name : argv[0]);
		return EX_USAGE;
	}

	return !f(argv[optind]);
}