in reply to Re^2: What does _ mean?
in thread What does _ mean?

Four characters. Six, if you also rip out the parentheses. :-)

Seriously, it's not just about saving one system call or half a dozen source code chars (altough I am all in favour of both) -- -d $filename && -x _ && -k _ && -u _ is simpler, cleaner, and more expressive than the alternative IMHO.

BTW, I happen to like even more the perl6ish $filename ~~ :d & :x & :k & :u.

[]s, HTH, Massa (κς,πμ,πλ)

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Re^4: What does _ mean?
by ikegami (Patriarch) on Feb 04, 2009 at 23:21 UTC
    In Perl 5.10, you can do 
    -d -x -u $filename

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