----- Original Message -----
From: Ramprasad A Padmanabhan <[EMAIL PROTECTED]>
Date: Friday, March 11, 2005 2:09 am
Subject: Best way to check if element exists

> Hi All,
Hello,
>   Maybe this is OT , I am sorry for that.
> 
>   I have a specific email application , where I want to check if a
> particular id exists or not in a file. 
>    Since this happens at real time I want the application to be 
> as fast
> as possible.
>    I am currently using DB_File hash, but that seems to be 
> unnecessarybecause DB_File hashes are for checking key value 
> pairs, but my
> requirement is just to find if a key exists.
> 
> Also note that my Hash list will be a really long list,but relatively
> static ( No frequent additions/deletions  expected ) 

print "exists" if $hash{key};

> 
> 
> Thanks
> Ram
> 
> 
> 
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