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git.madduck.net Git - etc/awesome.git/blobdiff - examples/date_arithmetic.lua
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local luatz = require "luatz"
-- We do this a few times ==> Convert a timestamp to timetable and normalise
local luatz = require "luatz"
-- We do this a few times ==> Convert a timestamp to timetable and normalise
-local function ts2tt ( ts )
- return luatz.timetable.new_from_timestamp ( ts ):normalise ( )
+local function ts2tt(ts )
+ return luatz.timetable.new_from_timestamp(ts )
end
-- Get the current time in UTC
end
-- Get the current time in UTC
-local utcnow = luatz.time ( )
-local now = ts2tt ( utcnow )
-print ( now , "now (UTC)" )
+local utcnow = luatz.time( )
+local now = ts2tt(utcnow )
+print(now, "now (UTC)" )
-- Get a new time object 6 months from now
-- Get a new time object 6 months from now
-x:normalise ( )
-print ( x , "6 months from now" )
+x:normalise( )
+print(x, "6 months from now" )
-- Find out what time it is in Melbourne at the moment
-- Find out what time it is in Melbourne at the moment
-local melbourne = luatz.get_tz ( "Australia/Melbourne" )
-local now_in_melbourne = ts2tt ( melbourne:localise ( utcnow ) )
-print ( now_in_melbourne , "Melbourne" )
+local melbourne = luatz.get_tz("Australia/Melbourne" )
+local now_in_melbourne = ts2tt(melbourne:localise(utcnow) )
+print(now_in_melbourne, "Melbourne" )
-- Six months from now in melbourne (so month is incremented; but still the same time)
-- Six months from now in melbourne (so month is incremented; but still the same time)
-local m = now_in_melbourne:clone ( )
+local m = now_in_melbourne:clone( )
-m:normalise ( )
-print ( m , "6 months from now in melbourne" )
+m:normalise( )
+print(m, "6 months from now in melbourne" )
-- Convert time back to utc; a daylight savings transition may have taken place!
-- There may be 2 results, but for we'll ignore the second possibility
-- Convert time back to utc; a daylight savings transition may have taken place!
-- There may be 2 results, but for we'll ignore the second possibility
-local c1 , c2 = melbourne:utctime ( m:timestamp( ) )
-print ( ts2tt ( c1 ) , "6 months from now in melbourne converted to utc" )
+local c, _ = melbourne:utctime(m:timestamp() )
+print(ts2tt(c), "6 months from now in melbourne converted to utc" )
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