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<DIV><SPAN class=078165216-08022011><FONT face=Arial color=#0000ff size=2>Hi
Loic,</FONT></SPAN></DIV>
<DIV><SPAN class=078165216-08022011><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=078165216-08022011><FONT face=Arial color=#0000ff
size=2>Thinking about it, you might need to use an unsigned format ('ul') if any
of your values are negative - dec2hex only works for
positive numbers. Anyway, you can try various things now you
have a partial solution.</FONT></SPAN></DIV>
<DIV><SPAN class=078165216-08022011><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=078165216-08022011><FONT face=Arial color=#0000ff
size=2>Mike.</FONT></SPAN></DIV>
<DIV><SPAN class=078165216-08022011><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> Loïc GIROD
[mailto:Loic.Girod@esstin.uhp-nancy.fr]<BR><B>Sent:</B> 08 February 2011
16:24<BR><B>To:</B> users@lists.scilab.org<BR><B>Subject:</B> [scilab-Users]
Re: reading file in hexadecimal<BR><BR></FONT></DIV>
<DIV class=WordSection1>
<P class=MsoNormal><SPAN lang=EN-US>Hello Mike, <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>Many thanks for your
answer.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>It works perfect with a = dec2hex (mget
(1, ‘l’, fd)).<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>I only need to read one float each
time.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>Thank you again<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>Loic<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>Subject: Re: reading file in hexadecimal
<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>From: "Mike Page" ####@####.####
<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>Date: 8 Feb 2011 10:54:36 +0100
<o:p></o:p></SPAN></P>
<P class=MsoNormal>Message-Id:
<LKECIGCCKNOMMCKAGNOAAEMDDDAA.Mike@Page-One.Waitrose.com>
<o:p></o:p></P>
<P class=MsoNormal>Hi Loic,<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal><SPAN lang=EN-US>Not sure what you want exactly, but the
file looks like a set of floats<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>(4-byte IEEE 754 floating point
values). You can read these using:<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>a = mget (n, 'f',
fd)<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>where n is the number you want to read and
fd is the file descriptor (you<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>get that using
fd=mopen("F1_31.dat",'rb').<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>If you really want the values in hex, then
it depends on how many bytes per<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>hex value. If there are 4 bytes
each, then you can use something like:<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>a = dec2hex (mget (n, 'l',
fd))<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>Hope that helps.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>Mike.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> -----Original
Message-----<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> From: Lo</SPAN><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'">�</SPAN><SPAN lang=EN-US>c GIROD
####@####.####<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> Sent: 08 February 2011
09:13<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> To:
####@####.####<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> Subject: [scilab-Users] reading
file in hexadecimal<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> Hello,<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> Beginner under scilab,
I</SPAN><SPAN style="FONT-FAMILY: 'Tahoma','sans-serif'">�</SPAN><SPAN
lang=EN-US>m trying to make a script to read a file and
make<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>some calculations on the
data.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> I would like to read the file
attached (F1_31) as an hexa format.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> For the moment, I use notepad++ to
convert the file in hexadecimal and I<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>can read it in scilab using
mopen/mfscanf.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> I would like to be able to read the
file directly under scilab, without<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>using another
software.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> Is it possible
?<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> If yes, could you please explain me
the procedure ?<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> Best regards<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> Lo</SPAN><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'">ic</SPAN><SPAN
lang=EN-US><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="mso-fareast-language: FR"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="mso-fareast-language: FR"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><o:p> </o:p></P></DIV></BLOCKQUOTE></BODY></HTML>