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[Octave-patch-tracker] [patch #8140] Speed up importdata() ASCII CSV pro


From: Rik
Subject: [Octave-patch-tracker] [patch #8140] Speed up importdata() ASCII CSV processing using dlmread() as core
Date: Sat, 24 Aug 2013 14:57:30 +0000
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:23.0) Gecko/20100101 Firefox/23.0

Follow-up Comment #6, patch #8140 (project octave):

Multiple lines of header text are definitely supported by Matlab.  See this
page which has two examples of actual importdata usage
(http://www.mathworks.com/help/matlab/import_export/import-numeric-data-and-header-text-from-a-text-file.html).

The "exceptional values" test shouldn't be running.  It is introduced as
'%!#test' which comments it out.  Given that dlmread will read Inf and NaN
values, I think this should work.

I agree that dlmread should probably be modified to accept different EOL
characters.  I think there may already be a bug report on that.

So, it doesn't seem too far from working, just some more attention for the
corner cases.

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