Writing the text from a MATLAB Grader student solution to a variable

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Matthew Hudson 2019-10-18

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评论： Cris LaPierre 2021-4-16

I'm trying to write some more complex tests for a MATLAB Grader assignment that would involve analysing a student solution line-by-line and executing defined lines from the student's solution separately as one of the MATLAB Code tests in Grader. Is there any way to do this? For example some way to actually get the student's solution as a char vec or string.

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Answer 1

Soham Chakraborty 2019-10-22

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Hi,

You could first read the solution into a variable using "fileread" (Hint: if you are working with Script, the file is named "solution.m", when working with a Function problem, use the function name you specified). Then for example, you can use "regexp" to analyze the text. For example:

% Get reference solution for x.
xReference = referenceVariables.x;
% Compare with learner solution.
f= fileread('solution.m');
expr = '.*:.*'; 
matchIdx = regexp(f,expr); 
length(matches)==1