My mistake!  And I'm generally happy to discuss bash :)

    brian.

On Jul 23, 2010 6:36 AM, "Joel Cartwright" <J.J.Cartwright@hw.ac.uk> wrote:
> Hi Brian,
>
> The $( ) form seems to be just as valid as backticks for command
> substitution in bash. See the comments just before example 12-3 on this
> page:
>
> http://tldp.org/LDP/abs/html/commandsub.html
>
> Sorry for turning this thread into a bash discussion :)
>
> Joel
>
> Brian Gerkey wrote, On 22/07/10 18:12:
>> On Thu, Jul 22, 2010 at 2:57 AM, Joel Cartwright
>> <J.J.Cartwright@hw.ac.uk> wrote:
>>> Perhaps it would be simpler to use the $( ) alternative to ` `, where
>>> there is less possibility for confusion over characters. As below:
>>>
>>> rosrun rviz rviz -d $(rospack find turtle_tf) /rviz/turtle_rviz.vcg
>>
>> hi Joel,
>>
>> The backtick characters are part of bash syntax. We can't do much about
that.
>>
>> brian.
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>
> --
> Research Associate
> Ocean Systems Laboratory
> Heriot-Watt University, UK
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