In crontab, I can use an asterisk to mean every value, or ‘*/2’ to mean every even value.
Is there a way to specify every odd value? (Would something like ‘1+*/2’ work?)
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In crontab, I can use an asterisk to mean every value, or ‘*/2’ to mean every even value.
Is there a way to specify every odd value? (Would something like ‘1+*/2’ work?)
Depending on your version of cron, you should be able to do (for hours, say):
Going by the EXTENSIONS section in the crontab(5) manpage:
For a more portable solution, I suspect you just have to use the simple list:
But it might be easier to wrap your command in a shell script that will immediately exit if it’s not called in an odd minute.