From: Alex Young <alex@...>
Date: 2007-06-20T19:02:57+09:00
Subject: Re: Net::Telnet

Marcin Tyman wrote:
> I've got an issue with following code:
> 
> <code>
> t.cmd('String' => "iptables -t mangle -L", 'Match' => /\#/, 'Timeout' =>
> 15 )
> { |c|
> 
>           print c
>           sleep 1               #THIS IS AN ISSUE I CAN'T UNDERSTAND
> 
>           if c =~ patternDup    #patternDup is RegExp object
>                rtrnMsg = "DUPLICATED"
>                iptblsLog.info(c.to_s)
>           elsif c =~ patternRules   #patternRules is RegExp object
>                rtrnMsg = "RULES"
>                iptblsLog.info(c.to_s)
>           else
>                rtrnMsg = "NO RULES"
>                iptblsLog.info(c.to_s)
>           end #if
> 
> }
> </code>
> 
> Without sleep sometimes comparison c with particular RegExp doesn't
> work. It isn't due to that regular expression doesn't match string
> compared with.
> After adding the sleep everything works well.
It sounds to me like either c or the regexp are modified by a different 
thread, but without knowing where they come from (or, indeed, what t is 
and what cmd is supposed to yield), it's difficult to guess any more...

-- 
Alex