Leap year calculation

leapyear() { [ $(date -d "Dec 31, $1" +%j) == 366 ] && echo leap || echo not leap; }

2
By: taliver
2010-03-30 20:13:56

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Very nice, although it's possible to run into the y2038 problem on 32bit systems.
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SeanCosta · 9 weeks and 4 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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