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pascalw / kindle-dash

Power efficient dashboard for Kindle 4 NT devices

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Cron format has an unusual number of columns

coder543 opened this issue · comments

commented

The example cron schedule is 0 2,32 8-17 * * 2-6, but... this has six columns, where a cron schedule is usually 5 columns.

Plugging this into crontab.guru results in a red mark and no text output.

I think the leading 0 is the issue here. If we erase that, then we get a cron schedule that sounds reasonable for a dashboard.

commented

Hey @coder543 the cron library I'm using indeed uses a non-standard syntax. I'll make a note of it in the README, or perhaps I'll swap that library for this one which seems to be more standards compliant.

commented

Ah, ok, that makes sense. Thanks for the explanation!

commented

I should've checked here before trying to figure out why my cron syntax kept failing, That cron library won't accept /10 for every 10 minutes, and it seems "0,15,30,45" is 1 item too many in a comma-separated list... quite dumb.

commented

I swapped out the cron library for another one that's more standards compliant. Now it takes expressions like 2,32 8-17 * * MON-FRI (no more seconds) and */15 8-17 * * MON-FRI. It's in the main branch and I'll make a new release probably later today or tomorrow.