Re: [chuck-users] Std.setenv() question

I don’t remember if HOSTNAME worked in the past. Maybe that’s why we created the custom variable to begin with. But this solution works great, actually. Thanks Joel! PS: I would still love to know why HOSTNAME seems to be treated differently than other vars as far as getenv() is concerned…if anyone out there has any theories... —ss [ - ] Scott Smallwood http://www.scott-smallwood.com/ - Associate Professor - University of Alberta [ - ]

On Sep 19, 2015, at 11:44 AM, Joel Matthys wrote:

Hmm, the same happens for me. Perhaps $HOSTNAME is null until polled, so it is generated upon request by the command line call?

One possible workaround is to set an env variable right before launching chuck, eg:

NETNAME="$HOSTNAME" chuck myfile.ck

and access Std.getenv("NETNAME") in your code.

I wasn't aware of setenv or getenv before. Did getenv("HOSTNAME") work in the past?

Joel

On 09/18/2015 08:53 PM, Scott Smallwood wrote:

...

Hey Chuckians…

Question for those who use Std.setenv(). I’m trying to resurrect some old code of mine that made use of a special environment variable we used to use in plork to identify machines over the network. In short: this was a variable we called “NET_NAME”, in which we specified the network name address (i.e. blah.local) on our local area wireless network.

What I’m wondering is this: in UNIX, there is usually a variable already in existence called “HOSTNAME”. For example, on my mac, when I type “echo $HOSTNAME” in the terminal, it returns a string that contains the name of my machine with .local appended to it.

However, when I try to recall this variable using Std.setenv(), I get nothing.

Anyone have any ideas here?

—ss

[ - ] Scott Smallwood http://www.scott-smallwood.com/ - Associate Professor - University of Alberta [ - ]

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