Fast check if files exist

ruby-talk
1

I have list (array) of file names in the form:

5_4.3g2
5_5.3gp
5_6.3gp
.
.
.

What's the fastest way I can check if these files exist in a given
directory?

2

My bet:

   (filenames - Dir.entries(dirname)).empty?

-- fxn

···

On Aug 24, 2007, at 10:05 PM, eggie5 wrote:

I have list (array) of file names in the form:

5_4.3g2
5_5.3gp
5_6.3gp

3

AHHH very clever and it seems to work!

Thanks

···

On Aug 24, 1:10 pm, Xavier Noria <f...@hashref.com> wrote:

On Aug 24, 2007, at 10:05 PM, eggie5 wrote:

> I have list (array) of file names in the form:

> 5_4.3g2
> 5_5.3gp
> 5_6.3gp

My bet:

   (filenames - Dir.entries(dirname)).empty?

-- fxn