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AppleScript で 0.1 秒単位の処理時間を計測する

Last updated at Posted at 2023-12-01

current date では秒単位でしか計測できない。

do shell scriptdate +%N しようとしたが、macOS の date コマンドは BSD date のため +%N オプションが利用できない。

Objective-C を利用する。

use AppleScript version "2.4"
use framework "Quartz"
use scripting additions

set startTime to current application's NSDate's timeIntervalSinceReferenceDate()
-- 計測したい処理
set endTime to current application's NSDate's timeIntervalSinceReferenceDate()
set elapsedTime to (round (endTime - startTime) * 10) / 10
set elapsedTime to ((round (elapsedTime / 60) rounding down) & "m" & elapsedTime mod 60 & "s") as string
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