Date: Thu, 05 Mar 2015 05:58:51 -0800 From: Alfred Perlstein <alfred@freebsd.org> To: Gleb Smirnoff <glebius@FreeBSD.org>, Slawa Olhovchenkov <slw@zxy.spb.ru>, Baptiste Daroussin <bapt@FreeBSD.org>, svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r279603 - in head: bin/rcp usr.bin/rlogin usr.bin/rsh Message-ID: <54F8611B.8070901@freebsd.org> In-Reply-To: <20150305124959.GF10733@brick.home> References: <201503042201.t24M1jDG009278@svn.freebsd.org> <20150305114828.GK17947@FreeBSD.org> <20150305122103.GA90978@zxy.spb.ru> <20150305122359.GM17947@FreeBSD.org> <20150305123016.GO48476@zxy.spb.ru> <20150305123053.GN17947@FreeBSD.org> <20150305123349.GP48476@zxy.spb.ru> <20150305123548.GO17947@FreeBSD.org> <20150305124037.GR48476@zxy.spb.ru> <20150305125501.GP17947@FreeBSD.org> <20150305124959.GF10733@brick.home>
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On 3/5/15 4:49 AM, Edward Tomasz Napierała wrote: > On 0305T1555, Gleb Smirnoff wrote: >> On Thu, Mar 05, 2015 at 03:40:37PM +0300, Slawa Olhovchenkov wrote: >> S> > nc(1), which is a pure socket testing tool. For telnet(1) this >> S> > capability is a side effect. >> S> >> S> You don't try this in practice. >> S> % nc zxy.spb.ru 81 >> S> % >> S> % telnet zxy.spb.ru 81 >> S> Trying 195.70.199.98... >> S> telnet: connect to address 195.70.199.98: Connection refused >> S> telnet: Unable to connect to remote host >> S> >> S> nc is not usable. >> >> Yes, this how unix way works. Command has return value, or >> you can use '-v', of you want it to be chatty. > > Actually, not giving error message on error by default seems quite > broken to me. Standard UNIX utilities don't fail silently: > You need to read unix hater's handbook. :) -Alfred
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