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You can drop the final semicolon, too. How comes there are not two of them? :-)
لսႽ ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^2: Golf for unique digits by choroba
in thread Golf for unique digits by Cody Fendant

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    [tye]: cool. For some reason I couldn't remember it nor come up with a good search strategy (other than crowd sourcing).
    [davido]: hm, that seems to also survive $< manipulations @corion so good call.
    [Corion]: tye: I also more randomly stumbled over it, as "who am i" unix implementation didn't really provide much help. But Wikipedia linked me to the List of Unix Programs (or something like it), and from there ...
    [talexb]: Wasn't Brexit the name of the first Santana album?
    [tye]: That's funny, saying getlogin() is less secure. For some uses, it is far superior to getpwuid(), precisely for reasons of security.
    [LanX]: search strategy => Perl Functions by Category
    [Corion]: ... I found discussion of the who utility and that it uses the POSIX 2008 getlogin function (but that function was available much earlier and thus even exists in Perl, as a search for getlogin on CPAN brought up Perl 5.26 as first hit
    [tye]: oh, LanX, but I was thinking that it was not a function that Perl provided.
    [Corion]: Yeah, I also went a more roundabout way, just to find that the solution had been with Perl all along! ;)
    [tye]: perhaps the "less secure" comment was motivated by old versions of getlogin() and trolled through the 'last' log trying to match your TTY. On modern Unix, I believe getlogin() just returns a fundamental bit of identity from your process.

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