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Re: Seeking balance from the <> operator

by ferreira (Chaplain)
on Jun 18, 2008 at 13:36 UTC ( #692700=note: print w/replies, xml ) Need Help??


in reply to Seeking balance from the <> operator

The recourse to a temp variable or readline is really unavoidable as explained by this piece of perlop:

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).

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