There is also a way to make it work without quite so many parens:
my $year= ( localtime (stat $file) ) + 1900;
my $year= ( localtime +(stat $file) ) + 1900;
There are several cases where the more traditional func( args... ) can be "improved" to ( func args... ). But it won't work if func() isn't known to Perl at the time that this code is compiled.
Update: Have I mentioned recently that I hate the "looks like a function call" rule. Not allowing func (...) was a good feature that should've stayed and will be restored with Perl6. (:
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