datetime.m error with mvpa.0.7.1 & Matlab R2014b

[Zigfried Hampel]

Hello, 

    Our lab at UW Madison has been using mvpa for years. In our recent upgrade to Matlab R2014b and mvpa.0.7.1, we discovered an overloaded function error, related to mvpa's datetime.m function / file. A temporary work around involved placing mvpa/datetime.m into a directory called private as mvpa/private/datetime.m In previous mvpa versions, datetime was located in mvpa/core/util/ Does the princeton-mvpa group have other guidance or a more robust, permanent solution to this error? Thanks!

Zig

[Greg Detre]

The long-term solution would be to rename the mvpa version to something that doesn't overload, e.g. mvpa_datetime.m or datetime_yymmdd.m and change all the internal calls to it.

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[Garrett McGrath]

A full repair of this situation would touch basically the entirety of the MVPA project because we would have to namespace everything via the package and class namespace system: http://www.mathworks.com/help/matlab/matlab_oop/scoping-classes-with-packages.html. Unfortunately that's a time commitment that I'm not currently capable of providing.  You could indeed patch around this problem with a mass find/replace command that makes 'datetime' become 'mvpa_datetime' on your local version of the code. This can be done via a handful of lines in bash: https://stackoverflow.com/questions/15920276/find-and-replace-string-in-all-files-recursive-using-grep-and-sed

-Garrett