Rails - Jan 2006 - Looking for a Ruby, ROR code sample or info

Hi all,

I am looking for a code sample that shows how to execute a host-command
using Ruby or ROR and then read the output. 

Thanks,

Onno

 



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What kind of host are we talking about?? And what kind of command??

Mikkel

Straaten, Onno van der wrote:
> Hi all,
> 
> I am looking for a code sample that shows how to execute a host-command
> using Ruby or ROR and then read the output.
> 
> Thanks,
> 
> Onno
> 
> 
> 
> 
> 
> This e-mail and any attachment is for authorised use by the intended 
> recipient(s) only. It may contain proprietary material, confidential 
> information and/or be subject to legal privilege. It should not be 
> copied, disclosed to, retained or used by, any other party. If you are 
> not an intended recipient then please promptly delete this e-mail and 
> any attachment and all copies and inform the sender. Thank you.

-- 
Posted via http://www.ruby-forum.com/.

Yes, sorry that is relevant.
On windows platform I want to call a command line tool and read the
output. 

Onno


-----Original Message-----
From: rails-bounces@lists.rubyonrails.org
[mailto:rails-bounces@lists.rubyonrails.org] On Behalf Of Mikkel Bruun
Sent: dinsdag 24 januari 2006 10:13
To: rails@lists.rubyonrails.org
Subject: [Rails] Re: Looking for a Ruby, ROR code sample or info


What kind of host are we talking about?? And what kind of command??

Mikkel

Straaten, Onno van der wrote:
> Hi all,
> 
> I am looking for a code sample that shows how to execute a
host-command
> using Ruby or ROR and then read the output.
> 
> Thanks,
> 
> Onno
> 
> 
> 
> 
> 
> This e-mail and any attachment is for authorised use by the intended 
> recipient(s) only. It may contain proprietary material, confidential 
> information and/or be subject to legal privilege. It should not be 
> copied, disclosed to, retained or used by, any other party. If you are
> not an intended recipient then please promptly delete this e-mail and 
> any attachment and all copies and inform the sender. Thank you.

-- 
Posted via http://www.ruby-forum.com/.
_______________________________________________
Rails mailing list
Rails@lists.rubyonrails.org
http://lists.rubyonrails.org/mailman/listinfo/rails

>irb
to access ruby prompt
>ruby /script/command
from your rails project directory to access rails object from command line.

On 1/24/06, Straaten, Onno van der <onno.van.der.straaten@logicacmg.com>
wrote:
>
> Yes, sorry that is relevant.
> On windows platform I want to call a command line tool and read the
> output.
>
> Onno
>
>
> -----Original Message-----
> From: rails-bounces@lists.rubyonrails.org
> [mailto:rails-bounces@lists.rubyonrails.org] On Behalf Of Mikkel Bruun
> Sent: dinsdag 24 januari 2006 10:13
> To: rails@lists.rubyonrails.org
> Subject: [Rails] Re: Looking for a Ruby, ROR code sample or info
>
>
> What kind of host are we talking about?? And what kind of command??
>
> Mikkel
>
> Straaten, Onno van der wrote:
> > Hi all,
> >
> > I am looking for a code sample that shows how to execute a
> host-command
> > using Ruby or ROR and then read the output.
> >
> > Thanks,
> >
> > Onno
> >
> >
> >
> >
> >
> > This e-mail and any attachment is for authorised use by the intended
> > recipient(s) only. It may contain proprietary material, confidential
> > information and/or be subject to legal privilege. It should not be
> > copied, disclosed to, retained or used by, any other party. If you are
>
> > not an intended recipient then please promptly delete this e-mail and
> > any attachment and all copies and inform the sender. Thank you.
>
>
> --
> Posted via http://www.ruby-forum.com/.
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails
>


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Hi,

On 1/24/06, Straaten, Onno van der <onno.van.der.straaten@logicacmg.com>
wrote:
> Yes, sorry that is relevant.
> On windows platform I want to call a command line tool and read the
> output.
use `

irb(main):001:0> `df -h`.grep /disk0s3/
=> ["/dev/disk0s3               81G    72G   8.0G    90%    /\n"]

$ ri Kernel#\`
--------------------------------------------------------------- Kernel#`
     `cmd`    => string
------------------------------------------------------------------------
     Returns the standard output of running _cmd_ in a subshell. The
     built-in syntax +%x{...}+ uses this method. Sets +$?+ to the
     process status.

        `date`                   #=> "Wed Apr  9 08:56:30 CDT
2003\n"
        `ls testdir`.split[1]    #=> "main.rb"
        `echo oops && exit 99`   #=> "oops\n"
        $?.exitstatus            #=> 99

also see `ri popen`

and http://www.ruby-doc.org/stdlib/libdoc/open3/rdoc/

cheers,
JS

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