Reading CSV file in OSweb

hanzh · May 2020

Hello,

I have an experiment where the trial info for each subject is pre-defined using a separate .csv file (e.g., sub-01.csv, sub-02.csv, etc.). To run the experiment for a particular subject ID, I would need to import the corresponding csv file. This can be easily done using Python inline scripts if running the experiment locally. But I wonder if there is a way to do this using javascript in Osweb?

Thank you,

Han

sebastiaan · May 2020

Hi Han,

I'm afraid that this is not possible in OSWeb. I ran into this issue myself too, and I solved it by creating multiple loop items, each with a different table, and then using a run-if statement to run a specific one based on the subject number and a modulo (% ), e.g. like so (if you have four different loop items):

[subject_nr] % 4 = 0

Not very elegant, but it should work for most cases!

Sebastiaan

hanzh · May 2020

Hi Sebastiaan,

Thanks for the work-around! Any plan for integrating this function into OSWeb at some point? Being able to import condition files would allow for much flexibility in designing experiments...

Thanks,

Han

sebastiaan · May 2020

Hi Han,

Yes, this is definitely something we plan to do. I don't have a timeline though. For now, we mostly want to focus on stability and bugfixes in OSWeb, and then take it from there.

Cheers!

Sebastiaan

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Reading CSV file in OSweb

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