Jeroen Roovers: > On Wed, 18 May 2016 19:31:38 -0400 > Göktürk Yüksek <gokt...@gentoo.org> wrote: > >> There could be some performance implications. cat will usually do >> slow, buffered I/O. cp tries to be smarter with allocation, i.e. it >> may take advantage of the btrfs specific clone to do a O(1) copy. > > Really? We're talking about editing streams of usually a couple of > kilobytes and performance is what you're worried about? Because of > not using one particular filesystem maybe? Really? > > I wasn't against the use of redirection, just wondering if there was a reason to prefer that over cp. To me, an extra dup2() in redirection seems useless. You can also argue that an extra syscall() has no visible impact and I wouldn't object. cp should work as efficient as shell redirection and potentially better in some cases. Sure, it won't make a noticeable difference with such small files.
> jer >
