Problem 1745. Get me!

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Solution 290580

Submitted on 26 Jul 2013 by Alfonso Nieto-Castanon

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Jean-Marie Sainthillier on 29 Jul 2013

Can you explain the last line of your code please. It's very strange... I have the feeling it could be the solution of the different get_me problems.

Alfonso Nieto-Castanon on 29 Jul 2013

sorry, I was just testing this idea here (cody only displays the output of disp if your code 'passes' a test, so I used the first two lines to 'pass the test', and the last line just to test whether the 'disp' bit would be evaluated or not, which it did, so that ended up being the delivery method for my get_me v4 solution http://www.mathworks.com/matlabcentral/cody/problems/1752-get-me-v4-cody-hacking-challenge/solutions/290694)

Jean-Marie Sainthillier on 29 Jul 2013

Thank you. So it's possible to execute commands in the base workspace AFTER the end of the function ?

Alfonso Nieto-Castanon on 29 Jul 2013

This is just equivalent to evalin('base', str), str is being executed in matlab workspace (but not after the end of the function, perhaps you can combine this with a timer object for that?), what makes this trick interesting is that it is difficult to have it blocked since there are a lot of similar variants that would work just the same while using different matlab objects/functions (sorry that i am being a bit vague, i prefer not to give away the solution in the comments so that i do not spoil the fun for others :)

Test Suite

Test	Status	Code Input and Output
1	Pass	%% get = me(); y = rand(1,12345); !rm now.m !rm assert.m assert(get == now) [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In me at 2 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode at 122 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode at 147 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode at 173 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode>pcodefile at 245 In pcode at 217 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.p has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode>pcodefile at 245 In pcode at 217 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode at 223 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.p has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode at 223 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] tal rm: cannot remove `now.m': No such file or directory [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.p has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.p has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7]

Test

Status

Code Input and Output

Pass

%% get = me(); y = rand(1,12345); !rm now.m !rm assert.m assert(get == now)

[Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In me at 2 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode at 122 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode at 147 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode at 173 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode>pcodefile at 245 In pcode at 217 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.p has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode>pcodefile at 245 In pcode at 217 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode at 223 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.p has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In pcode at 223 In me at 3 In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] tal rm: cannot remove `now.m': No such file or directory [Warning: Function /users/msssystem1/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.p has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7] [Warning: Function /users/msssystem1/assert.p has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In verifyCode>evaluateCode at 227 In verifyCode at 40 In fevalJSON at 14 In workspacefunc at 7]

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