Zsh Mailing List Archive Messages sorted by: Reverse Date, Date, Thread, Author

Re: problem testing file descriptor 3

X-seq: zsh-users 8666
From: "S. Cowles" <scowles@xxxxxxxxxxxxx>
To: zsh-users@xxxxxxxxxx
Subject: Re: problem testing file descriptor 3
Date: Mon, 11 Apr 2005 00:32:51 -0700
In-reply-to: <20050411065827.GA1819@xxxxxxxxxxxxxxxxxxxx>
Mailing-list: contact zsh-users-help@xxxxxxxxxx; run by ezmlm
Organization: personal
References: <200504102333.36134.scowles@xxxxxxxxxxxxx> <20050411065827.GA1819@xxxxxxxxxxxxxxxxxxxx>
Reply-to: scowles@xxxxxxxxxxxxx

On Sunday 10 April 2005 23:58, Dominic Mitchell wrote:
> On Sun, Apr 10, 2005 at 11:33:32PM -0700, S. Cowles wrote:
> > I am having trouble testing if file descriptor 3 is already opened in the
> > calling environment.  If the file descriptor is not open, I would like to
...
>
> The -t flag tests to see whether an fd is open *and attached to a
> terminal*.  So it's probably no good for what you need.

Thank you.

> I think that the only way you could do this would be using the stat
> plugin.
>
>     % zmodload -i zsh/stat
>     % stat -f 3

Works beautifully.  Cheers.

References:
- problem testing file descriptor 3
  - From: S. Cowles
- Re: problem testing file descriptor 3
  - From: Dominic Mitchell

Messages sorted by: Reverse Date, Date, Thread, Author