Problem 854. Find the list of all open files

Solution 201481

Submitted on 7 Feb 2013

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Test	Status	Code Input and Output
1	Pass	%% 1 file fclose('all'); fid = fopen('titi.txt','w+') assert(isequal(your_fcn_name, {'titi.txt'})) fid = 3
2	Pass	%% 2 files fclose('all'); fid = fopen('titi.txt','w+') fid = fopen('cloclo.mat3','w+') assert(isequal(your_fcn_name, {'titi.txt','cloclo.mat3'})) fid = 3 fid = 4
3	Fail	%% zero files fclose('all'); assert(isequal(your_fcn_name, {})) Error: Output argument "ans" (and maybe others) not assigned during call to "/users/msssytem8/your_fcn_name.m>your_fcn_name".

Test

Status

Code Input and Output

Pass

%% 1 file fclose('all'); fid = fopen('titi.txt','w+') assert(isequal(your_fcn_name, {'titi.txt'}))

fid = 3

Pass

%% 2 files fclose('all'); fid = fopen('titi.txt','w+') fid = fopen('cloclo.mat3','w+') assert(isequal(your_fcn_name, {'titi.txt','cloclo.mat3'}))

fid = 3 fid = 4

Fail

%% zero files fclose('all'); assert(isequal(your_fcn_name, {}))

Error: Output argument "ans" (and maybe others) not assigned during call to "/users/msssytem8/your_fcn_name.m>your_fcn_name".

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