the magic trick which would take another post to explain
Here's a comment to save you another post:
! executes a command and returns its result. This was adopted from Vim's predecessors, it already exists in ed (which begat em which begat en which begat ex which begat vi which was cloned as stevie which begat Vim, eventually).
teesplits the input (here: the contents of the buffer which is % in Vim's language) into an output file (redirected into the void, >/dev/null) and an output stream (returned).
At least on my machine, /dev/zero and /dev/null are the same speed. Even if they were different, I doubt it would be enough to matter unless you were writing a really massive file.
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Here's a comment to save you another post:
!executes a command and returns its result. This was adopted from Vim's predecessors, it already exists ined(which begatemwhich begatenwhich begatexwhich begatviwhich was cloned assteviewhich begat Vim, eventually).teesplits the input (here: the contents of the buffer which is%in Vim's language) into an output file (redirected into the void,>/dev/null) and an output stream (returned).writeis the equivalent to:w.Wouldn't
/dev/zerobe faster, by the way?hah - thanks :) It's just hardly understandable for beginners in this kind of short form - that's what I had in mind when I mentioned another post.
I didn't test the difference between the /dev/zero and /dev/null, but it shouldn't make a really big difference in this case. Cheers!
At least on my machine,
/dev/zeroand/dev/nullare the same speed. Even if they were different, I doubt it would be enough to matter unless you were writing a really massive file.