[Sussex] Ruby file open question

[Thomas Adam]

On Mon, Oct 31, 2005 at 10:30:20AM +0000, Ronan Chilvers wrote:
> Hi folks
>
> Any rubyers out there know if you can do this (Perl):

Yes.

> open(TAIL, "tail -f /var/log/messages");
>
> while(<TAIL>)
>
>  #do stuff
>
> } close(TAIL);
>
> but in ruby? I've found and played with the file-tail gem but its very
> slow to respond to file changes.

The problem with ruby-gems is that it's still in its infancy with
regards to supplying whats on the RAA [1].  That said, file-tail is the
way to go.  Note that you need to quantify what you mean by "slow" in
this context.  You can specify the delay for the checking of the file
change.  (see File::interval)

-- Thomas Adam

 [1] http://raa.ruby-lang.org
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