Re: uniq on open streams

[Andreas Krey <a.krey%gmx.de@localhost>]

On Tue, 23 Apr 2019 05:51:19 +0000, JP wrote:
> I had a need to run uniq on an open stream.  It doesn't seem to print
> the most recent line.
> 
> $ lua -e 'print("a");print("b");print("c"); repeat until false' |uniq
> a
> b
> 
> ^ should print the c as well, no?

Yes, but. 'uniq -c' can only print the 'c' line once it gets a different input line
or EOF, and I'd bet that the code doesn't try to behave differently when run without -c.

(Behaviour is different from GNU coreutils uniq; also:

   netbsd$ uniq --help
   uniq: uniq: No such file or directory

)

- Andreas

-- 
"Totally trivial. Famous last words."
From: Linus Torvalds <torvalds@*.org>
Date: Fri, 22 Jan 2010 07:29:21 -0800