Re: bash: let exp ? exp : exp problem

[Sebastian Kapfer <sebastian_kapfer@web.de>]

On Sun, 13 Jul 2003 01:20:08 +0200, David selby wrote:

> Hello, I am trying to get a bash script to work which will hibernate
> till 1:00 am, it appears to work OK

Ahh, the bash :-)

> let $_mintoone -gt 1440:_mintoone=$_mintoone-1440

	let 'toone = toone > 1440 ? toone - 1440 : toone'

should do the job. (At least if I understood your purpose correctly.)
Shorter, but with slightly different meaning:

	let 'toone %= 1440'

> PS bash is addictive ...

Yup. It always stays challenging, mostly because of stupid
quoting/nonquoting issues, arcane syntax and the lack of proper error
messages.

> PPS I am not using cron since the script uses xmessage and executed via
> cron causes xhost access problems, just in case you were wondering ....

If you set up DISPLAY correctly, it should work IMHO.

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