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Re: Fast PHP way to find a file given the leftmost characters of the file name

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On 05/12/2015 19:45, Matthew Carter wrote:
> Markus Heinz <markus.heinz@uni-dortmund.de> writes:
>
>> Hello.
>>
>> On 2015-12-05 at 18:39 James Harris wrote:
>>> Basic query: What is the best way in PHP to find a file given just the
>>> leftmost characters of its name? I am looking for something that will
>>> scale so that it can be expected to execute quickly even if there are
>>> thousands of files in a given directory.
>> [...]
>>> Any comments? Even if you think the idea is a bad one I would appreciate
>>> the feedback.
>>
>> The glob function might be helpful to accomplish your goal:
>> <http://de2.php.net/manual/en/function.glob.php>

Ideal, thanks Markus.

> FWIW, I just tested in a directory with 50,000 files on a system with
> 1.5G RAM (and non-SD disk) and was able to get 190 matches when
> specifying the first 2 letters in 0.103 seconds using
> glob($letters.'*'), as well as similar results when specifying all the
> way to a single unique name.

Thanks. Was that with GLOB_NOSORT included?

James

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Fast PHP way to find a file given the leftmost characters of the file name James Harris <james.harris.1@gmail.com> - 2015-12-05 17:39 +0000
  Re: Fast PHP way to find a file given the leftmost characters of the file name Arno Welzel <usenet@arnowelzel.de> - 2015-12-05 19:37 +0100
  Re: Fast PHP way to find a file given the leftmost characters of the file name Markus Heinz <markus.heinz@uni-dortmund.de> - 2015-12-05 19:45 +0100
    Re: Fast PHP way to find a file given the leftmost characters of the file name Matthew Carter <m@ahungry.com> - 2015-12-05 14:45 -0500
      Re: Fast PHP way to find a file given the leftmost characters of the file name Jerry Stuckle <jstucklex@attglobal.net> - 2015-12-05 15:53 -0500
      Re: Fast PHP way to find a file given the leftmost characters of the file name James Harris <james.harris.1@gmail.com> - 2015-12-06 00:50 +0000
        Re: Fast PHP way to find a file given the leftmost characters of the file name Matthew Carter <m@ahungry.com> - 2015-12-07 00:17 -0500
          Re: Fast PHP way to find a file given the leftmost characters of the file name James Harris <james.harris.1@gmail.com> - 2015-12-08 11:45 +0000

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