sfunction builder function through command line

Question

Pika 2012-5-2

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https://ww2.mathworks.cn/matlabcentral/answers/37221-sfunction-builder-function-through-command-line

回答： Sanket 2019-4-15

Is there a way to build from the sfunction builder via command line instead of opening the dialog box and pressing "build"?

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Answer 1

Kaustubha Govind 2012-5-2

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https://ww2.mathworks.cn/matlabcentral/answers/37221-sfunction-builder-function-through-command-line#answer_46501

在 MATLAB Online 中打开

See this solution for the command-line API.

Try this code since there seems to be an error in the code from the solution:

blkNames = find_system(bdroot,'lookundermasks','all','BlockType','S-Function');
for blkIdx = 1:numel(blkNames)
  blkHandle = get_param(blkNames{blkIdx}, 'Handle');
  appdata = sfunctionwizard(blkHandle,'GetApplicationData');
  appdata = sfunctionwizard(blkHandle,'Build',appdata);
end

Also, make sure that the model is open when the code is run.

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Pika 2012-5-6

yes i do. the error i get is out of the second command line listed. It says Attempt to reference field of non-structure array.

I know how to create a structure array with dot notation but why was blkHandle not automatically created as a structure array when first command line is used? mine apppears to be as a cell array

Kaustubha Govind 2012-5-7

Not sure why the solution assumes that find_system returns a structure. It does indeed return a cell-array of block names as you have observed. Try the code I edited and posted in my answer.

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Answer 2

arun kumar 2015-3-20

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can i also write this appdata back to the s-function block. or is there any other way i can modify the s-function inports and outports from the command line? ofcourse i can modify the appdata structure but then how do i feed this information back to the s-function?

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giga 2016-5-1

Hi did anyone have an answer for this question? Thanks!

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Answer 3

kiyoko 2018-7-24

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/37221-sfunction-builder-function-through-command-line#answer_330039

sfunctionwizard is undocumented and not officially supported. If you are looking for command-line s-function authoring functionality, then the legacy code tool is designed for this.