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#include <u.h>
#include <libc.h>
int uflg, nflg, iflg, tflg;
void
main(int argc, char *argv[])
{
ulong now;
Tm *tm;
ARGBEGIN{
case 'n': nflg = 1; break;
case 'u': uflg = 1; break;
case 't': tflg = 1; /* implies -i */
case 'i': iflg = 1; break;
default: fprint(2, "usage: date [-itun] [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(iflg) {
tm = uflg ? gmtime(now) : localtime(now);
if(tflg)
print("%s\n", isotime(tm));
else
print("%s\n", isodate(tm));
} else {
if(uflg)
print("%s", asctime(gmtime(now)));
else
print("%s", ctime(now));
}
exits(0);
}
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