Chris Devers <[EMAIL PROTECTED]> writes: > On Tue, 16 Sep 2003, Shevek wrote: > >> On Tue, 16 Sep 2003, Joel Bernstein wrote: >> >> > I have a problem with some code which I'm trying to debug. I'm not >> > certain, but I think perhaps I'm doing something wrong in the >> > following line - perhaps inadvertently creating an array slice? >> > >> > what do you understand by the line: >> > my $foo=( split ',' => $line )[7]; >> > ? >> >> I understand that you should have used two lines. Why not do so? >> >> my @tmp = split /,/, $line; >> my $foo = $tmp[7]; > > Fair enough, but what's a good, non-obfuscated-Perl one liner for this? > > Would this work? > > my ( ,,,,,,$foo ) = ... > > No, that's ugly & brittle at best, and hopeless at worst. Nevermind. > > I am curious about good idioms for doing an array slice like this > though.
That's easy. The correct idiom is: my $foo = (split ',' => $line)[...] With appropriate indices. This is *Perl* for fuck's sake, not C or Java. Indexing into a list is a perfectly sensible thing to do.
