Subject: |
Re: error in caput ("caputting negative numbers") |
From: |
Matthieu Bec <[email protected]> |
Cc: |
Epics Tech-Talk <[email protected]> |
Date: |
Tue, 28 May 2002 10:24:44 -1000 |
you may also use -- so whatever remains on the line isn't interpreted as
options:
caput -- channelName.VAL -1
Matthieu
Bill Cruise wrote:
>
> Brian McAllister wrote:
> >
> > >>> On 5/27/2002 at 16:29:19 EDT, Vitaliy Ziskin wrote:
> >
> > > I try do the following :
> >
> > > caput channelName.VAL -1
> >
> > > and get the following:
> >
> > > caput: invalid option -- 1
> > > Old : channelName.VAL 0.00
> >
> > > What's going on?
> >
> > You're on GNU/Linux.
> >
> > ...
> >
> > The work-around is to put
> >
> > setenv POSIXLY_CORRECT
> >
> > in your shell startup.
> >
>
> Another work-around is to put the negative value in quotes,
> with a space between the opening quote and the minus sign,
> like so:
>
> caput channelName.VAL " -123"
>
> This keeps unfriendly parsers away from your argument. :-)
>
> --
>
> William L. Cruise [email protected]
> Electronics System Supervisor FAX: 808 885-7288
> Canada-France-Hawaii Telescope Voice: 808 885-3121
> 65-1238 Mamalahoa Highway http://www.cfht.hawaii.edu/~cruise
> Kamuela, HI 96743
--
Matthieu Bec Gemini Observatory
Tel: +1 808 9742557 670 N. A'ohoku Place
Fax: +1 808 9359235 Hilo, Hawaii 96720, USA
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