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Store time stamp data in configuration file?


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I'm trying to store time stamp data in a configuration file, but am not having much luck. I noticed there is a time stamp data type, but can't figure out how to store it directly in the ini file.

 

As a backup I tried converting the timestamp to a double first, but I keep losing digits that way. It won't store the full precision in the ini file.

 

Any ideas?

 

Thanks,

George

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You should be able to use the "format into string" and "scan from string" functions to store a human readable timestamp in an INI file with considerable accuracy. 

 

Try this format string:

 

 %^<%Y-%m-%dT%H:%M:%S%16uZ>T 

 

modify the 16u portion to set the fractional seconds.

 

ISO-8601 Persistent Timestamp.vi

 

LabVIEW's 128 bit timestamp is accurate to 0.05421010862427522170... attoseconds

 

http://www.ni.com/white-paper/7900/en

Edited by Phillip Brooks
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LabVIEW's 128 bit timestamp is accurate to 0.05421010862427522170... attoseconds

 

http://www.ni.com/white-paper/7900/en

 

Accurate.  You keep using that word.  I do think it means what you think it means. :)

 

Precise, sure, but accurate, no. Not yet anyway.

 

Of interest, why do the fractional seconds truncate rather than round?  If using the format in your signature (%3u) I get

2013-03-18T20:40:36.8988289833068847Z current time

2013-03-18T20:40:36.898Z formatted time

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