Re: [libreoffice-users] BASIC script how to read/write system files, like /dev/null in Linux

On Sun, 14 Oct 2012 21:48:37 +0100 (BST)
Tom Davies <tomdavies04@yahoo.co.uk> wrote:

> Hi :)
> You did the right thing by posting to this list first but your
> question is waaay beyond the skills of most people on this list.  
>
> I think you need to copy&paste your question to the devs list and
> maybe ask your own distro's devs too.  It might be worth also asking
> in the general Gnu&Linux forum http://www.linuxquestions.org because
> they can usually handle almost any distro.  
>
> Errrr, it's worth letting people know which distro you are using and
> version number might help too. Good luck and happy hunting!
> Regards from
> Tom :)  
>
>
> --- On Sun, 14/10/12, chaonis <chaonis@gmail.com> wrote:
>
> From: chaonis <chaonis@gmail.com>
> Subject: [libreoffice-users] BASIC script how to read/write system
> files, like /dev/null in Linux To: users@global.libreoffice.org
> Date: Sunday, 14 October, 2012, 20:08
>
> I am trying to write scripts accessing the system files, such
> as /dev/ttyS0. If I use "Open" I got the error "Device I/O error"
> message. Are there any special function call needed to be done for
> the system files? User permission is good as I can access to the file
> using any other Linux commands.
>
> Following is the code I tried. It stalled on the first "Open"
> statement:
>
> Sub Main
>     Dim iNumber As Integer
>     Dim aFile As String
>     aFile = "/dev/ttyS0"
>     iNumber = Freefile
>     Open aFile For Output As #iNumber
>     Print #iNumber, "*IDN?"
>     close #iNumber
>     iNumber = Freefile
>     Open aFile For Input As #iNumber
>     While not eof(iNumber)
>         Line Input #iNumber, sLine
>         If sLine <>"" then
>             sMsg = sMsg & sLine & chr(13)
>         end if
>     wend
>     Close #iNumber
>     Msgbox sMsg
> End Sub
>
>
>
> --
> View this message in context:
> http://nabble.documentfoundation.org/BASIC-script-how-to-read-write-system-files-like-dev-null-in-Linux-tp4013296.html
> Sent from the Users mailing list archive at Nabble.com.

Hi Chanois,
As Tom said  you should ask this on the devs lists.  Dev files have
different formats dependent on the device.  I don't believe they are
even ASCII files in some cases, using various codes.

Tom  :<))  (note double chin)

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