harvey/sys/src/cmd/date.c

/*
 * This file is part of the UCB release of Plan 9. It is subject to the license
 * terms in the LICENSE file found in the top-level directory of this
 * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
 * part of the UCB release of Plan 9, including this file, may be copied,
 * modified, propagated, or distributed except according to the terms contained
 * in the LICENSE file.
 */

#include <u.h>
#include <libc.h>

int uflg, nflg;

void
main(int argc, char *argv[])
{
	uint32_t now;

	ARGBEGIN{
	case 'n':	nflg = 1; break;
	case 'u':	uflg = 1; break;
	default:	fprint(2, "usage: date [-un] [seconds]\n"); exits("usage");
	}ARGEND

	if(argc == 1)
		now = strtoul(*argv, 0, 0);
	else
		now = time(0);

	if(nflg)
		print("%ld\n", now);
	else if(uflg)
		print("%s", asctime(gmtime(now)));
	else
		print("%s", ctime(now));

	exits(0);
}