On Sun, 14 Oct 2012 21:48:37 +0100 (BST)
Tom Davies <tomdavie...@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 <chao...@gmail.com> wrote:
> 
> From: chaonis <chao...@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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--
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