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38 lines
1.1 KiB
Groff
38 lines
1.1 KiB
Groff
alarm (1)
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NAME
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alarm - alarm clock reminder
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SYNOPSIS
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alarm [+]#### [<delay> ["<message>"]]
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DESCRIPTION
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alarm is a reminder program. Typically it is executed in the
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background. The program sleeps until the alarm time, and so
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uses very little CPU.
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The first argument defines the time, or time delay, for the
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alarm to ring. It must consist of an optional leading plus
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sign followed by four decimal digits. If the plus sign is
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present the alarm will ring in 'hhmm' hours. If the plus sign
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is absent, the alarm will ring at time 'hhmm' in 24-hour
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format. The alarm rings five times, each time delivering a
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beep, with beeps two seconds apart. The second argument, if
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present, changes the time between beeps. The third argument,
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if present, is echoed to stdout after each beep as a reminder
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message.
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EXAMPLES
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alarm +0080 5 "Your TV show is on in five minutes" &
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rings the bell every five seconds and delivers the
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message eighty minutes after the current time.
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alarm 1955
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rings the bell every two seconds at 7:55 PM
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FILES
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none
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AUTHOR
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Christopher Neufeld (neufeld@physics.utoronto.ca)
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