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"
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COPYRIGHT (c) 1989 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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AbsoluteTime subclass:#Time
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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category:'Magnitude-General'
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!
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Time comment:'
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COPYRIGHT (c) 1989 by Claus Gittinger
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159
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All Rights Reserved
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95
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$Header: /cvs/stx/stx/libbasic/Time.st,v 1.13 1995-02-06 02:56:44 claus Exp $
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88
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'!
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!Time class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1989 by Claus Gittinger
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159
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All Rights Reserved
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88
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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!
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version
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"
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$Header: /cvs/stx/stx/libbasic/Time.st,v 1.13 1995-02-06 02:56:44 claus Exp $
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"
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!
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documentation
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"
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Instances of time represent a particular time-of-day.
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"
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! !
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!Time class methodsFor:'instance creation'!
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now
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"return an instance of Time representing this moment"
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^ self fromOSTime:(OperatingSystem getTimeParts)
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"
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Time now
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"
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!
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hour:h minutes:m seconds:s
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"return an instance of Time representing the given values"
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| seconds |
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"have to subtract 3600; unix time starts at 1'o clock"
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seconds := (h * 60 * 60 ) + (m * 60) + s - 3600.
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^ self basicNew setSeconds:seconds.
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"
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Time hour:2 minutes:33 seconds:0
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"
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!
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fromSeconds:seconds
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"return a Time that is constructed from seconds since midnight."
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"have to subtract 3600; unix time starts at 1'o clock"
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^ self basicNew setSeconds:seconds-3600
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"
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Time fromSeconds:0
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"
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!
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fromOSTime:osTime
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"return a time, representing the time given by the operatingSystem time"
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^ self basicNew setSecondsLow:(osTime at:1) and:(osTime at:2)
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!
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readFrom:aStream onError:exceptionBlock
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"return a new Time, reading a printed representation from aStream."
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|hour min sec|
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hour := Integer readFrom:aStream onError:[^ exceptionBlock value].
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[aStream peek isDigit] whileFalse:[aStream next].
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min := Integer readFrom:aStream onError:[^ exceptionBlock value].
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[aStream peek isDigit] whileFalse:[aStream next].
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sec := Integer readFrom:aStream onError:[^ exceptionBlock value].
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[aStream peek == Character space] whileTrue:[aStream next].
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(aStream peek == $p) ifTrue:[
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"pm"
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hour := hour + 12
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].
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^ self hour:hour minutes:min seconds:sec
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"
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Time readFromString:'18:22:00'
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Time readFromString:'14:00:11'
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Time readFromString:'7:00:11'
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Time readFromString:'6:22:00 pm'
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Time readFromString:'2:00:11 pm'
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Time readFromString:'7:00:11 am'
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"
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! !
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!Time class methodsFor:'ST-80 compatibility'!
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totalSeconds
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^ self secondClock
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! !
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!Time methodsFor:'accessing'!
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asSeconds
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"return the number of seconds elapsed since midnight"
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OperatingSystem computeTimePartsOf:secondsLow and:secondsHi for:[
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:hours :minutes :seconds |
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^ ( 3600 * hours )
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+ ( 60 * minutes )
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+ seconds
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]
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"
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Time now asSeconds
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"
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!
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hours
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"return the number of hours since midnight (i.e. 0..23)"
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^ self hourInDay
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"
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Time now hours
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"
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!
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minutes
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"return the number of minutes within the hour (i.e. 0..59)"
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^self minuteInDay
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"
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Time now minutes
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"
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!
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seconds
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"return the number of seconds within the minute (i.e. 0..59)"
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^self secondInDay
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"
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Time now seconds
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"
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! !
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!Time methodsFor:'comparing'!
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> aTime
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"return true if the argument, aTime is after the receiver"
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(aTime respondsTo:#secondsLow) ifTrue:[
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(secondsHi > aTime secondsHi) ifTrue:[^ true].
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(secondsHi < aTime secondsHi) ifTrue:[^ false].
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(secondsLow > aTime secondsLow) ifTrue:[^ true].
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^ false
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].
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^ self getSeconds > aTime getSeconds
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!
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< aTime
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"return true if the argument, aTime is before the receiver"
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(aTime respondsTo:#secondsLow) ifTrue:[
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(secondsHi < aTime secondsHi) ifTrue:[^ true].
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(secondsHi > aTime secondsHi) ifTrue:[^ false].
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(secondsLow < aTime secondsLow) ifTrue:[^ true].
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^ false
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].
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^ self getSeconds < aTime getSeconds
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! !
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!Time methodsFor:'printing & storing'!
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printOn:aStream
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"append a printed representation of the receiver to aStream.
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Format is hh:mm:ss either in 12-hour or 24-hour format.
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depending on the setting of LanguageTerritory.
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I dont know what ST-80 does here (12-hour format ?)"
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LanguageTerritory = 'usa' ifTrue:[
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self print12HourFormatOn:aStream
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] ifFalse:[
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self print24HourFormatOn:aStream
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]
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"
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Time now printOn:Transcript. Transcript cr
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"
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!
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print24HourFormatOn:aStream
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"append a printed representation of the receiver to aStream.
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Format is hh:mm:ss in 24-hour format."
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OperatingSystem computeTimePartsOf:secondsLow and:secondsHi for:[
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:hours :minutes :secs |
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hours printOn:aStream.
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aStream nextPut:$:.
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(minutes < 10) ifTrue:[aStream nextPut:$0].
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minutes printOn:aStream.
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aStream nextPut:$:.
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(secs < 10) ifTrue:[aStream nextPut:$0].
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secs printOn:aStream
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]
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"
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Time now print24HourFormatOn:Transcript. Transcript cr
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"
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!
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print12HourFormatOn:aStream
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"append a printed representation of the receiver to aStream.
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Format is hh:mm:ss am/pm (i.e. 12-hour format)."
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OperatingSystem computeTimePartsOf:secondsLow and:secondsHi for:[
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:hours :minutes :secs | |h|
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h := hours.
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h > 12 ifTrue:[
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h := h - 12.
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] ifFalse:[
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h < 1 ifTrue:[
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h := 12
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]
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].
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h printOn:aStream.
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aStream nextPut:$:.
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(minutes < 10) ifTrue:[aStream nextPut:$0].
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minutes printOn:aStream.
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aStream nextPut:$:.
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(secs < 10) ifTrue:[aStream nextPut:$0].
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secs printOn:aStream.
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hours >= 12 ifTrue:[
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aStream nextPutAll:' pm'
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] ifFalse:[
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aStream nextPutAll:' am'
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]
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]
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"
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Time now print12HourFormatOn:Transcript. Transcript cr
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"
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! !
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