From: Zouplaz <user@...>
Date: 2007-10-16T21:00:15+09:00
Subject: Re: backquotes question

le 14/10/2007 05:21, Gerardo Santana G�mez Garrido nous a dit:
> 2007/10/13, Zouplaz <user@domain.invalid>:
>> Hello, I would like to know why
>> cmd = "/bin/df -H /dev/#{partition}"
>> used = `#{cmd}`
>>
>> works fine but this fails
>> used = `"/bin/df -H /dev/#{partition}"`
>>
>> with an OS error.
>>
> 
> Let partition be "wd0a".
> 
> In the first case, you're executing:
> 
> /bin/df -H /dev/wd0a
> 
> which the shell interprets correctly as a call the program /bin/df
> with the specified options and parameters.
> 
> In the second case you're executing:
> 
> "/bin/df -H /dev/wd0a"
> 
> and the shell cannot find the program named "/bin/df -H /dev/wd0a"
> 

Thanks for the hint (and others posters too) !