Re: [gentoo-user] Pipe Lines - A really basic question

[Florian Philipp]

Am 09.09.2010 19:24, schrieb Matt Neimeyer:
> My generic question is: When I'm using a pipe line series of commands
> do I use up more/less space than doing things in sequence?
>
[...]
> OR going back to my generic question if I pipe line like "type | sort
> | unique > output" does that only use 1x or 3x the disk space?
>
> Thanks in advance!
>
> Matt
>
> P.S. If the answer is "it depends" how do know what it depends on?
>

It depends on whether you use MS-DOS or a better OS ;)
DOS was the last operating system which I know of which used temporary
files for pipes. Every other system uses in-memory FIFOs
(first-in-first-out).

BTW: your last example "type | sort | uniq" can be shortened to "type |
sort -u"

Hope this helps,
Florian Philipp