From: Aidan Kehoe (kehoea at domain parhasard.net)
Date: Mon 10 Sep 2001 - 17:22:09 IST
Ar an 10u la de mi 9, scriobh Chris Higgins :
> We're talking about the contents of the wtmp/utmp files, as interpreted by
> the command 'who'
> If you upgrade your version of who, and the formatting changes slightly,
> you run the risk of breaking your scripts (in strange and wonderful ways).
Anyone going to change who to do that is going to have to be both
brave & a fan of needless incompatibility. Oh, wait, this is linux.
5:11PM ~ > uname
5:13PM ~ > who -m
kehoea ttyp0 Sep 10 16:39 (my.host.name)
5:13PM ~ >
5:14PM ~ > uname
5:14PM ~ > who -m
kehoea pts/8 Sep 10 16:39 (my.host.name)
5:14PM ~ >
$ who -m
kehoea pts/1 Sep 10 17:16 (my.host.name)
$ who -m
pc734!kehoea pts/6 Sep 10 17:14 (my.host.name)
> Would it not make more sense to query the files directly so that
> you can be sure that the information is more reliable than grep'ing
> from 'who'
getutent(3) and setutent(3) are less portable than who(1), believe it
-- `... when the elephant man broke strong men's necks, when he'd had too many Powers, ...'
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