How do I handle transaction control in PERL?

What does $1 hold? $x= 'a walk in the park';$x=~/(.+)a/;

For the string '2011/12/04' and regular expression '/(\d+)\/(\d+)\/(\d+)/', you can use $3 to return '04'. What other variable can be used to return '04'?

What does die() do?

what is the purpose of the `qw` keyword in the statement: my @array = qw/apple orange grape/;

Which is not true of labels?

Perl package manager is the ActiveState tool for precompiled perl ................

If the file is opened for write or append, you can write to the filehandle using which print function?

Which statement restarts the loop block without evaluating the conditional again?

In order to 'store' an operator inside a variable in Perl, you would use:

What is STDERR?