On Wed, 17 Dec 2003, Alexander Samad wrote:
> Hi
>
> I have a hash array which is being passed by ref, now I would like to
> access an element inside an "" for a print statement
>
> like
>
> print "This is just text $refH->{"Key"} this is still text\n"
>
> but I keep getting errors so I have to re write as
>
> print "This is just text " . $refH->{"Key"} . " this is still text\n"
>
> Which causes problems if $refH->{"Key"} equates to blank
print "this is just text ",$refH->{"Key"}," this is still text\n";
or
print "this is just text $refH->{Key} this is still text\n";
IE you can get away without quoting the subscript if the subscript could
be a valid variable name (basically alphanumeric plus underscore). The top
line is the safe option but the bottom is just nicer reading.
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