From: Fosiul Alam <lists@...>
Date: 2012-08-16T05:28:59+09:00
Subject: Re: string processing

Eliezer Croitoru wrote in post #1072477:
> On 8/15/2012 10:00 PM, Fosiul Alam wrote:
>>
>> will it work ??
>>
> this output should be a string and is not enumerable so you can use each
> but you can use "each_line" to inspect each line but "getnumber = item"
> will not extract the number.
> and instead of iterating over each line you can use one regex on the
> whole string like:
> cmd =~ /\((\d+)\)/
>
> you must use "\d+" to match one or more numbers
> the =~ will give bad results on a whole string and you better use the
> scan method.
> cmd.scan /\((\d+)\)/
> this will return array of strings array
> so this:
> (cmd.scan /\((\d+)\)/)[0][0]
> will give you the result with a one liner.
> and i just seen that Robert gave you a nice solution.
>
> Regards,
> Eliezer

Hi thanks

this works perfec
host=ARGV[0]
puts host


cmd=`php -q /var/lib/cacti/cli/add_device.php --description="#{host}" 
--ip="#{host}" --template=1 --community="public"`


device_id = (cmd.scan /\((\d+)\)/)[0][0]
puts device_id

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