From: Matthew Smillie <M.B.Smillie@...>
Date: 2006-06-10T11:09:36+09:00
Subject: Re: Comparing times?


On Jun 10, 2006, at 1:10, Eric Armstrong wrote:

> On a related subject, when Ruby gives me
> a File time, is it to the nearest second,
> millisecond, or what, or is it O/S dependent?

File#mtime and other File time methods return a normal Time object,  
which is O/S dependent but can be conveniently treated as a number of  
seconds.

> The goal, of course, is to compare times
> on two files to see if they are no more
> than a second apart...

file_a = File.new("somefile")
file_b = File.new("someotherfile")
(file_a.mtime - file_b.mtime).abs < 1 ? puts "close" : puts "not  
close enough"

matthew smillie.