On Thu, Apr 12, 2007 at 10:22:52AM -0600, Doug McNutt wrote:

> $/ = "\r";  #Mac
> $/ = "\r\n";  #DOS or Internet
> $/ = "\n";  #UNIX  the default
> $/ = "";  #Deliberately read the whole file. Sometimes undef $/;

Careful, $/ = "" and undef $/ do different things.

undef $/ (or $/ = undef) is slurp mode, reading the whole file at once.
$/ = "" is paragraph mode, reading a block ending with one or more blank
lines.

Ronald

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