perl $ENV

Hi All,
In a perl program the $ENV{} takes a value and returns something.Can one tell me that $ENV{} is an inbuilt perl function or defined some where in my environment.

$FEED_1181=$ENV{FEED_1181} || die "Environment not setup! no FEED_DIR_1181";

Regards
Megh

The correct name of that variable is %ENV, which is a hash table/associative array, and allows Perl to access the exported environment variables of the calling context (shell or other process)