Hi
While I understand the frustration of tiem that could be used otherwise. depending of what you are plannig with script wrapping I would recommend you seriously take a look to the REST API
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----- Original message -----
From: Jonathon A Anderson <[email protected]>
Sent by: [email protected]
To: gpfsug main discussion list <[email protected]>
Cc:
Subject: Re: [gpfsug-discuss] -Y option for many commands, precious few officially!
Date: Tue, Mar 28, 2017 7:17 PM
I had a bit of a run-in with a gpfs developer at a conference once when I complained about how command output changes frequently, breaking customer scripts. He was confused why we weren’t using `-Y`, and didn’t believe me that it’s simply not documented anywhere!
`-Y` output is essential for interfacing programmatically with GPFS, and I don’t understand why it’s not mentioned in any of the guides or manpages. (Though apparently, according to this thead, it’s since appeared in some newer manpages.)
~jonathon
On 3/28/17, 10:14 AM, "[email protected] on behalf of Marc A Kaplan" <[email protected] on behalf of [email protected]> wrote:
Just looking/scanning the latest (4.2.2) Spectrum Scale Command (and Programming) Reference I only found a few commands that officially are documented as supporting a -Y option: mmnfs, mmsmb, mmuserauth.
But as many of you have discovered, -Y is accepted and yields "interesting" output for many of the mmXXXX commands.
Moreover the output *seems to* have easily discernible patterns that can be parsed by simple programs.
I believe there is no guarantee that the exact command output formats will not change from release to release, so, as a practical matter, if you're going to parse command output, you're probably better off parsing the -Y output,
even if that is not officially supported.
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