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Perl Language Reference Manual
by Larry Wall and others
Paperback (6"x9"), 724 pages
ISBN 9781906966027
RRP £29.95 ($39.95)

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Bad name after %s::

(F) You started to name a symbol by using a package prefix, and then didn't finish the symbol. In particular, you can't interpolate outside of quotes, so

$var = 'myvar';
$sym = mypack::$var;

is not the same as

$var = 'myvar';
$sym = "mypack::$var";
ISBN 9781906966027Perl Language Reference ManualSee the print edition