reading file in hexadecimal

[Loïc GIROD]

Hello Mike, 

 

Many thanks for your answer.

It works perfect with a = dec2hex (mget (1, ‘l’, fd)).

I only need to read one float each time.

 

Thank you again

 

Loic

 

 

 

Subject: Re: reading file in hexadecimal 

From: "Mike Page" ####@####.#### 

Date: 8 Feb 2011 10:54:36 +0100 

Message-Id: <LKECIGCCKNOMMCKAGNOAAEMDDDAA.Mike at Page-One.Waitrose.com> 

Hi Loic,

 

Not sure what you want exactly, but the file looks like a set of floats

(4-byte IEEE 754 floating point values).  You can read these using:

 

a = mget (n, 'f', fd)

 

where n is the number you want to read and fd is the file descriptor (you

get that using fd=mopen("F1_31.dat",'rb').

 

If you really want the values in hex, then it depends on how many bytes per

hex value.  If there are 4 bytes each, then you can use something like:

 

a = dec2hex (mget (n, 'l', fd))

 

Hope that helps.

 

Mike.

 

  -----Original Message-----

  From: Lo�c GIROD ####@####.####

  Sent: 08 February 2011 09:13

  To: ####@####.####

  Subject: [scilab-Users] reading file in hexadecimal

 

 

  Hello,

 

 

 

  Beginner under scilab, I�m trying to make a script to read a file and make

some calculations on the data.

 

  I would like to read the file attached (F1_31) as an hexa format.

 

  For the moment, I use notepad++ to convert the file in hexadecimal and I

can read it in scilab using mopen/mfscanf.

 

 

 

  I would like to be able to read the file directly under scilab, without

using another software.

 

 

 

  Is it possible ?

 

 

 

  If yes, could you please explain me the procedure ?

 

 

 

  Best regards

 

 

 

 

 

  Loic

 

 

 

 

 

 

 

 

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