Beefy Boxes and Bandwidth Generously Provided by pair Networks
XP is just a number
 
PerlMonks  

Re^3: Finding oldest file in directory

by halley (Prior)
on Oct 18, 2004 at 18:41 UTC ( #400272=note: print w/replies, xml ) Need Help??


in reply to Re^2: Finding oldest file in directory
in thread Finding oldest file in directory

I think what Randal L. Schwartz was referring to, when he said "cache it for the sort," was to use a very common sort optimization technique called, not coincidentally, the Schwartzian Transform.
@sorted = map { $_->[0] } sort { $a->[1] <=> $b->[1] } map { [ $_, (-s $_) ] } @unsorted;

--
[ e d @ h a l l e y . c c ]

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://400272]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others chilling in the Monastery: (5)
As of 2016-09-25 16:13 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?
    Extraterrestrials haven't visited the Earth yet because:







    Results (470 votes). Check out past polls.