Re: Uninitialized Value, but It Isn't, so Why?

[Chas. Owens]

On Thu, Mar 2, 2017, 19:32 Shawn H Corey <shawnhco...@gmail.com> wrote:

> On Thu, 2 Mar 2017 16:35:17 -0600
> Andy Bach <afb...@gmail.com> wrote:
> > Hah! "undef" is an uninitialized value !
>
> $ perl -we 'if (not $interdest5) {$interdest5 = "";} print
> "|$interdest5|\n"'
> ||
> $ perl -we 'if (! $interdest5) {$interdest5 = "";} print
> "|$interdest5|\n"'
> ||
>

Or

$ perl -we 'unless ($interdest5) {$interdest5 = ""}
print "|$interdest5|\n";'
||

Or

$ perl -we '$interdest5 //= ""; print "|$interdest5|\n";'
||

TIMTOWTDI