Last Friday of each month: Difference between revisions
Go solution
(Go solution) |
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Line 79:
2012-Nov-30
2012-Dec-28
</pre>
=={{header|Go}}==
<lang go>package main
import (
"fmt"
"os"
"strconv"
"time"
)
func main() {
y := time.Now().Year()
if len(os.Args) == 2 {
if i, err := strconv.Atoi(os.Args[1]); err == nil {
y = i
}
}
for m := time.January; m <= time.December; m++ {
d := time.Date(y, m+1, 1, 0, 0, 0, 0, time.UTC).Add(-24 * time.Hour)
d = d.Add(time.Duration((11-d.Weekday())%7-6) * 24 * time.Hour)
fmt.Println(d.Format("2006-01-02"))
}
}</lang>
Output:
<pre>
> ./fridays 2012
2012-01-27
2012-02-24
2012-03-30
2012-04-27
2012-05-25
2012-06-29
2012-07-27
2012-08-31
2012-09-28
2012-10-26
2012-11-30
2012-12-28
</pre>
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