Perl Syntax

[Taavi Burns]

On 5/24/05, Peter <plp-ysDPMY98cNQDDBjDh4tngg at public.gmane.org> wrote:
> 
> On Mon, 23 May 2005, John Vetterli wrote:
> 
> > So is the "INT" in $SIG{INT} a string literal (i.e. is it really $SIG{"INT"})
> > or a variable name?  Or is it something else?
> 
> It stays for SIGINT which is a symbol name that is equivalent to the
> code of the interrupt signal. In Perl it need not be a number (Perl uses
> hashes - i.e. SIGINT is simply a key in a database of tuples).

However, being a bareword (no sigil, not in the context of a file
handle, and not a number) it's interpreted as a string and $SIG{INT}
should be equivalent to $SIG{"INT"} and equivalent to $SIG{'INT'}.

-- 
taa
/*eof*/
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