Seems like several of the previous posters used a typeglob to have a passable version of a filehandle. By passable, I mean that the filehandle can be passed into a function or placed in some other list form like an array.

In Seven Useful Uses of local, Tachyon demonstrates a pretty neat way of accomplishing just that. 

my $filehandle = do { local *FH };

[download]
Tachyon's explanation:
do just introduces a block which will be evaluated, and will return the value of the last expression that it contains, which in this case is local *FH. The value of local *FH is a glob. But what glob?

local takes the existing FH glob and temporarily replaces it with a new glob. But then it immediately goes out of scope and puts the old glob back, leaving the new glob without a name. But then it returns the new, nameless glob, which is then stored into $filehandle. This is just what we wanted: A glob that has been disconnected from the symbol table.

dsb
This @ISA my cool %SIG

In reply to Re: Use of Typeglob by dsb
in thread Use of Typeglob by murugu

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