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reading 2-byte integers in S-Plus

To: <s-news@lists.biostat.wustl.edu>
Subject: reading 2-byte integers in S-Plus
From: "Doug Bolgiano" <DougB@psbc.org>
Date: Thu, 25 Aug 2005 08:08:23 -0700
Thread-index: AcWphtXgMAyVJEtTStSVsd8jrZ9FcA==
Thread-topic: reading 2-byte integers in S-Plus
I'm trying to input data from a flow cytometery file (format FCS 2.0) to 
S-Plus.  The data is integer valued, written as binary, 2-byte integers.  
S-Plus (as I understand) only reads and writes 4-byte integers.  

As a work around, I read the data into S-Plus as 4-byte integers and then 
transform each 4-byte integer to the corresponding 2 2-byte integers.  This 
works fine as long as the byte length of the data vector is a multiple of 4.  
When it is not, I get an error for trying to read past the end of the file.  
Can anyone suggest a work around?  Thanks.

Doug Bolgiano
Research Division
Puget Sound Blood Center
Seattle,  WA

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