On 1/23/19 5:31 PM, Colin Watson wrote: > On Wed, Jan 23, 2019 at 05:23:10PM +0100, Alex Mestiashvili wrote: >> On 1/23/19 4:44 PM, Vincent Lefevre wrote: >>> I agree that it would be better to drop this "feature" of Perl. >>> It is probably never used, and probably useless (I would rather >>> use the features from the shell if I need a pipe). >> >> Perl's open is well documented. Quoting the perlipc: >> >> "it's much more efficient to process the file one line or record at a >> time because then you don't have to read the whole thing into memory at >> once." > > This is a red herring. Prepending a pipe to a perl command doesn't > require reading the whole thing into memory.
Well, this is not never used and is not useless. I just provided a quote pointing to a use case. Deciding if that is useful or not is up to you. > >> Please stop making python out of perl :) > > This makes no sense in context, since Python programs routinely process > files a line at a time. Surely this is just derailing? > That's just a joke. At the moment of writing I was thinking about TIMTOWTDI paradigm of perl. Please note the smile.
