Creating Output.m file from Work.m file - unexpected output

Question

Christopher Schoß 2022-4-19

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1699595-creating-output-m-file-from-work-m-file-unexpected-output

评论： Christopher Schoß 2022-4-20

采纳的回答： Just Manuel

Hey,

I just want to create an Output in form of an m-file from an existing file Work.m.

Unfortunatly I get some unexpected result.

My Code of the Work.m:

%CODE FOR OUTPUT-FILE PART 1

output = "test_line1";

output = output + newline + "test_line2";

%CODE FOR OUTPUT-FILE PART 2

component_prefix = "test";

component_number = 1:2; %row

sys_prefix = "sys";

sys_numbers = (1:2).'; %column

output = output + newline + "model('" + component_prefix + component_number + "').system('" + sys_prefix + sys_numbers + "', 'test')";

outfilename = 'comsol_project_11b.m';

[fid, msg] = fopen(outfilename, 'wt');

if fid < 0; error('Failed to open output file because "%s"', msg); end

fprintf(fid, '%s\n', output(:));

fclose(fid)

clear(outfilename); %clears any cached script

Resulting Output.m:

test_line1

test_line2

model('test1').system('sys1', 'test')

test_line1

test_line2

model('test1').system('sys2', 'test')

test_line1

test_line2

model('test2').system('sys1', 'test')

test_line1

test_line2

model('test2').system('sys2', 'test')

What I was trying to get:

test_line1

test_line2

model('test1').system('sys1', 'test')

model('test1').system('sys2', 'test')

model('test2').system('sys1', 'test')

model('test2').system('sys2', 'test')

I would appreciate any help!!

Thank you!

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Answer 1

Just Manuel 2022-4-19

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1699595-creating-output-m-file-from-work-m-file-unexpected-output#answer_945830

在 MATLAB Online 中打开

The part

"model('" + component_prefix + component_number + "').system('" + sys_prefix + sys_numbers + "', 'test')";

creates a 2x2 string matrix, where you add your previous output string to.

concatenate those strings first:

s = newline + "model('" + component_prefix + component_number + "').system('" + sys_prefix + sys_numbers + "', 'test')";
output = output +  join(join(s, ''),'');

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Just Manuel 2022-4-20

By accepting, I mean hitting that little Button "Accept this Answer" at the top of this answer. That flags this question thread as answered.

Your variable i is not inserted, because you only add a string to your output. You can use the same technique you used in your original question to insert the value of i in your string.

Cheers

Manuel

Christopher Schoß 2022-4-20