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From: Michael Peppler <mpeppler at peppler dot org>
Subject: Why the brackets ()
Date: Mar 16 1999 3:17PM

Andrew J Davies writes:
 > Hi
 > Why, when I remove the () from around the $database variable do I get an
 > error.
 > What are the () actually doing. Without  them $database == 1
 >                     With them ($database) == "a valid database name"

 >      ($database) = @$row;                # ????????????

$row is a reference to an array (ie a reference to each row returned
by ct_sql().

@array in scalar context (which is what $db = @$row is) returns the
number of elements in the array. Placing the () arround $database
tells perl to evaluate this assignement in list (array) context.

Michael
-- 
Michael Peppler         -||-  Data Migrations Inc.
mpeppler@peppler.org    -||-  http://www.mbay.net/~mpeppler
Int. Sybase User Group  -||-  http://www.isug.com
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