RosettaCodeData/Task/Leap-year/Tcl/leap-year-2.tcl
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2013-04-10 21:29:02 -07:00

7 lines
214 B
Tcl

proc isleap2 year {
return [expr {[clock format [clock scan "$year-02-29" -format "%Y-%m-%d"] -format "%m-%d"] eq "02-29"}]
}
isleap2 1988 ;# => 1
isleap2 1989 ;# => 0
isleap2 1900 ;# => 0
isleap2 2000 ;# => 1