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Re: trap handler scope wrong?
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From: |
Paul Jarc |
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Subject: |
Re: trap handler scope wrong? |
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Date: |
Sun, 05 Mar 2006 21:13:07 -0500 |
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User-agent: |
Gnus/5.110003 (No Gnus v0.3) Emacs/21.4 (gnu/linux) |
Phillip Susi <psusi@cfl.rr.com> wrote:
> Chet Ramey wrote:
>> That's about right, but you need >&3 in the trap command.
>
> I did have > &3 in the trap command, see?
You have "> &3". You need ">&3", without a space.
> I'm a bit worried though about hard coding the fd 3. Is there a way
> to get the next available fd number and save it in a variable,
> rather than hard code 3?
Unfortunately, no. You could use a higher number, which would be less
likely to be used, but if you want to be portable to other shells, you
can only go up to 9.
paul