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Hi all,

Don't know why but when I try to use the _FILE_ variable I'm getting the
following error:

irb(main):001:0> puts File.dirname(_FILE_)
NameError: undefined local variable or method `_FILE_' for main:Object
from (irb):1
from :0

I've got this error in Windows Seven and Ubuntu 10.04 LTS, both using
Ruby 1.8.7

Have also tried running the code in .rb file but get the same error.
Neither File.dirname(_FILE_) nor only _FILE_ seems to work.

Looked about it everywhere but got nothing. Any idea..?

Regards,

metanolbr
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On 09/16/2010 10:59 PM, Diogo Veras wrote:
> Hi all,
>
> Don't know why but when I try to use the _FILE_ variable I'm getting the
> following error:
>
> irb(main):001:0> puts File.dirname(_FILE_)
> NameError: undefined local variable or method `_FILE_' for main:Object
> from (irb):1
> from :0
>
> I've got this error in Windows Seven and Ubuntu 10.04 LTS, both using
> Ruby 1.8.7
>
> Have also tried running the code in .rb file but get the same error.
> Neither File.dirname(_FILE_) nor only _FILE_ seems to work.
>
> Looked about it everywhere but got nothing. Any idea..?

You need to use __FILE__ (note the 2 underscores on each side).

-Jeremy

Jeremy Bopp wrote:
> On 09/16/2010 10:59 PM, Diogo Veras wrote:
>> I've got this error in Windows Seven and Ubuntu 10.04 LTS, both using
>> Ruby 1.8.7
>>
>> Have also tried running the code in .rb file but get the same error.
>> Neither File.dirname(_FILE_) nor only _FILE_ seems to work.
>>
>> Looked about it everywhere but got nothing. Any idea..?
>
> You need to use __FILE__ (note the 2 underscores on each side).
>
> -Jeremy

It worked. Can't believe, you are right, have no idea how I let this
pass.

Thank you a lot.

Regards
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