Ashley M. Kirchner wrote:
> 
> 
>     I have files that are named in the following manner:
> 
>     file.####.jpg (where #### is an hhmm timestamp [hour and minutes])
> 
>     What's the best way to take the current hhmm timestamp and run 
> backwards finding the previous 5 files, and checking whether they 
> actually exist?  There's a possibility one or more might not exist and 
> rather than returning a blank value, I want to continue further back 
> till I find the next.
> 
>     So for example, say I have:
> 
>     file 1122.jpg
>     file 1121.jpg
>     file 1119.jpg
>     file 1117.jpg
>     file 1116.jpg
>     file 1114.jpg
> 
>     Notice the gaps, 1120, 1118, and 1115 are missing.  But I still want 
> to return five, thus 1122, 1121, 1119, 1117, and 1116.
> 
>     I thought of taking the current timestamp and loop five times, 
> subtracting from it every time, but that's assuming all five are there.  
> If one's missing then I only have four images.
> 
> 
> -- 
> W | It's not a bug - it's an undocumented feature.
>   +--------------------------------------------------------------------
>   Ashley M. Kirchner <mailto:[EMAIL PROTECTED]>   .   303.442.6410 x130
>   IT Director / SysAdmin / Websmith             .     800.441.3873 x130
>   Photo Craft Imaging                       .     3550 Arapahoe Ave. #6
>   http://www.pcraft.com ..... .  .    .       Boulder, CO 80303, U.S.A.
> 
> -- 
> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php
> 
> 
> 

-- 
View this message in context: 
http://www.nabble.com/Checking-file-existence-tf2636778.html#a7359768
Sent from the PHP - General mailing list archive at Nabble.com.

-- 
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php

Reply via email to