Of course as soon as I hit send it occurred to me that someone else has probably get Scheduler up to date. I found it on SqueakSource:
http://www.squeaksource.com/@11SzkA9kWVz1KQiQ/c5tTlndq http://www.squeaksource.com/@11SzkA9kWVz1KQiQ/c5tTlndq
And a version on Smalltalk hub:
http://smalltalkhub.com/#!/~TorstenBergmann/Scheduler http://smalltalkhub.com/#!/~TorstenBergmann/Scheduler
Either of those might be better than the one I sent you (which was quite old).
Best,
David
On Jun 27, 2019, at 9:33 PM, David Shaffer cdshaffer@acm.org wrote:
I’ve been away from Squeak for a long time but I don’t think Schedule does what you want. I browsed the code a bit and it seems to be more about /storing/ a schedule rather than /executing/ one.
John Pierce wrote a package called Scheduler which I used with great success many (many) years ago. The SqueakMap entry still exists but the file links are dead. I have attached my latest version of that package. I tried it out in Squeak 5.2 and it seemed to work but I can’t make any promises. I don’t think it will have the same problems as a long Delay since its main loop seems to check for runnable tasks every 1/4 second.
The SqueakMap page has some docs: http://map.squeak.org/package/cb344d5b-c810-45cd-a440-534d900aacfd http://map.squeak.org/package/cb344d5b-c810-45cd-a440-534d900aacfd
BTW, to load the MCZ you can use the File List (under Tools).
Best,
David
<Scheduler-cds.21.mcz>
On Jun 24, 2019, at 5:16 PM, John-Reed Maffeo <jrmaffeo@gmail.com mailto:jrmaffeo@gmail.com> wrote:
I am working on an application which requires task scheduler like cron on UNIX or Task Manager on Windows. In the swiki , there is a page about Refactored Date and Time Classes http://wiki.squeak.org/squeak/1871 which mentions #Schedule in the context of TV programs. I have figured out how to set up, but I can not figure out how to use it productively.
My simple use case is: a. create an instance of #Schedule b. Use the schedule to write a string to the Transcript based on the contents of the schedule.
|sampleSchedule rightNow cr |
rightNow := DateAndTime now. cr := String cr.
sampleSchedule := Schedule starting: rightNow ending: rightNow + 20 minutes .
sampleSchedule schedule: {Duration minutes: 1. Duration minutes: 3}. sampleSchedule scheduleDo:[:each |Transcript show: each asString, String cr].
This results in all of the schedule items being written to the Transcript immediately, rather at the schedule time for each.
How to I use a schedule to run a block at the time specified by the schedule.
I have looked at #Delay, but it has a limit of ~six days which will not work for me.
Thanks,
-jrm
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