Richard Lynch wrote:
> Suppose I have a directory with a HUGE number of filenames, all of
> which happen to look like integers:
[...]
> Now, in a PHP script, what's the most efficient way to find the
> "largest" filename, where "largest" means in the sense of an integer,
> not a string?
[...]
> Is there some nifty shell command I should just "exec"?...
How about this:
$output = exec("cd $myDirectory; ls -C -1 | sort -n -r | head -n1");
That's assuming your version of "ls" supports the -C (list entries by
column) and -1 (list one file per line) options. Mine does (Debian stable)
but if you're using a different *nix it may not.
HTH...
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