Date: Fri, 7 Mar 2014 09:19:37 +0000 (GMT) From: Robert Watson <rwatson@FreeBSD.org> To: Bruce Evans <brde@optusnet.com.au> Cc: svn-src-head@freebsd.org, Alexey Dokuchaev <danfe@freebsd.org>, src-committers@freebsd.org, Eitan Adler <eadler@freebsd.org>, svn-src-all@freebsd.org Subject: Re: svn commit: r262882 - head/tools/tools/net80211/wlanstats Message-ID: <alpine.BSF.2.00.1403070917470.35474@fledge.watson.org> In-Reply-To: <20140307132653.O3656@besplex.bde.org> References: <201403070123.s271Nn1b019719@svn.freebsd.org> <20140307020210.GA38155@FreeBSD.org> <20140307132653.O3656@besplex.bde.org>
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On Fri, 7 Mar 2014, Bruce Evans wrote: >>> Log: >>> wlanstats: add help >>> >>> - add a help (-h) flag >>> - move usage into itsown function >> >> it looks like the only change now is that usage info always go to stdout, >> and exit code differs. i don't think it should be mfced. > > It also removes the double printing of the program name (correct) and the > printing of "usage: ", and has mounds of style bugs. > > gnu utilities have a --help flag that causes similar behaviour (printing to > stdout and exiting with status 0), but they still print error messages about > usage to stderr. They can also return a non-zero status if printing the man pages encounters problems. This leads to some curious text in the GNU info page for 'true' explaining that it can sometimes return false. Robert
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