Cody

# Problem 2636. Clear all empty variables from the workspace

Solution 519291

Submitted on 2 Nov 2014 by rifat
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### Test Suite

Test Status Code Input and Output
1   Pass
%% a=1; b=[]; c=500; d=clear_empty(); assert(isequal(exist('a','var'),1)); assert(isequal(exist('b','var'),0)); assert(isequal(exist('c','var'),1)); assert(isequal(exist('d','var'),1));

[Warning: Function isequal has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In clear_empty at 11 In verifyCode>evaluateCode at 238 In verifyCode at 43 In fevalJSON at 14]

2   Pass
%% y_correct={}; x_correct=[]; c25=500; John=ones(3); v=clear_empty(); assert(isequal(exist('y_correct','var'),0)); assert(isequal(exist('x_correct','var'),0)); assert(isequal(exist('John','var'),1)); assert(isequal(exist('c25','var'),1)); assert(isequal(exist('v','var'),1));

[Warning: Function isequal has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In clear_empty at 11 In verifyCode>evaluateCode at 238 In verifyCode at 43 In fevalJSON at 14]

3   Pass
%% j_correct={'John'}; ans1=0; Jane=rand; val=clear_empty(); assert(isequal(exist('j_correct','var'),1)); assert(isequal(exist('Jane','var'),1)); assert(isequal(exist('ans1','var'),1));

[Warning: Function isequal has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In clear_empty at 11 In verifyCode>evaluateCode at 238 In verifyCode at 43 In fevalJSON at 14]