Date: Wed, 29 Apr 1998 13:56:58 -0700 (PDT) From: Doug White <dwhite@gdi.uoregon.edu> To: laszlo vagner <vagner@mutsgo.dyn.ml.org> Cc: questions@FreeBSD.ORG Subject: Re: fetch and kill Message-ID: <Pine.BSF.3.96.980429135550.13203I-100000@gdi.uoregon.edu> In-Reply-To: <199804240855.DAA03105@mutsgo.dyn.ml.org>
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On Fri, 24 Apr 1998, laszlo vagner wrote: > can someone please send me a script to do this as i am not > too good at knowing script language yet. > > i want to fetch a webpage and if it doesn't return the page, i want > to hang up the modem and redial or kill and restart ppp (same result). > > someone suggested something like > > fetch http://www.freebsd.org/index.html || kill ppp > > or something to this effect, i dont know what || means? || is the OR short-circuit operator. The shell executes the command in front of the ||; if it fails (ie returns an error code != 0) then it executes the right hand side. Otherwise it skips it. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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