On Wed, May 21, 2008 at 08:34:42PM -0600, [EMAIL PROTECTED] wrote:
> I get a syntax error when doing the following:
>
> my $contents = do { local $/; < $m->request_args()->{upload} > };
>
> However, this works just fine:
>
> my $fh = $m->request_args()->{upload};
> my $contents = do { local $/; <$fh> };
>
> Is this a bug in perl?
perldoc perlop, "I/O Operators":
If what's within the angle brackets is neither a filehandle nor a simple
scalar variable containing a filehandle name, typeglob, or typeglob reference,
it is interpreted as a filename pattern to be globbed, and either a list of
filenames or the next filename in the list is returned, depending on context.
This distinction is determined on syntactic grounds alone. That means "<$x>"
is always a readline() from an indirect handle, but "<$hash{key}>" is always a
glob(). That's because $x is a simple scalar variable, but $hash{key} is
not--it's a hash element. Even "<$x >" (note the extra space) is treated as
"glob("$x ")", not "readline($x)".
(The answer to "is this a bug in perl?" is usually "No", especially when the
subject is a common operation.)
hdp.
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