Perl Syntax

[Peter]

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).

Peter
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