From: elof@...
Date: 2007-11-07T18:51:41+09:00
Subject: Re: Assigne command ouput to a variable


  Hi

You can get both the output from the command and its return value:

var1 = `du -s /mnt/hdd/ | cut -f1`
puts $?.exitstatus
puts var1

  Kristian


On Wed, 7 Nov 2007 18:35:55 +0900, "Dragoescu Daniel"
<daniel.dragoescu@axigen.com> wrote:
> Hello!
> 
> It seems to work with:
> ----
> var1 = `du -s /mnt/hdd/ | cut -f1`
> puts var1
> ----
> Thank you for the answare!
> 
> -----Original Message-----
> From: Stefano Crocco [mailto:stefano.crocco@alice.it] 
> Sent: Wednesday, November 07, 2007 11:17 AM
> To: ruby-talk ML
> Subject: Re: Assigne command ouput to a variable
> 
> Alle mercoled狸 7 novembre 2007, Stefano Crocco ha scritto:
>> Alle mercoled狸 7 novembre 2007, Dragoescu Daniel ha scritto:
>> > Hello guys!
>> >
>> > I am a newbie in ruby and i have a question. I run a system command 
>> > and i want that the ouput of that command to be assigne to a 
>> > variable, something like this:
>> >
>> > var1 = system("du -s /mnt/hdd/ | cut -f1") puts var1  or
>> >
>> > var1 = exec("du -s /mnt/hdd/ | cut -f1") puts var1
>> >
>> > but system return 0 or 1 if command is failed or succesful, and exec 
>> > don't assigne the output to variable var1.
>> >
>> > Can you help me? Thanks in advance.
>>
>> You can use backticks instead of system:
> 
> Sorry, I hit the send button by mistake.
> 
> You can use backticks instead of system:
> 
> var1 = `"du -s /mnt/hdd/ | cut -f1"`
> puts var1
> 
> I hope this helps
> 
> Stefano