Fast check if files exist

[eggie5]

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?

 

[Xavier Noria]

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

 

[eggie5]

My bet:

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

-- fxn

AHHH very clever and it seems to work!

Thanks