Convert string to 256 Characters

Question

Jaden Hoechstetter 2024-9-27，6:29

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https://ww2.mathworks.cn/matlabcentral/answers/2155785-convert-string-to-256-characters

编辑： Ronit 2024-9-27，6:48

How to create the Matlab source text which will be equivalent to this Fortran text? The character variable must be 256 characterts long

Character*256 TEXT

TEXT = 'Unformatted Data Version='

Print*, TEXT

END

Thanks!

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Answer 1

Walter Roberson 2024-9-27，6:41

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https://ww2.mathworks.cn/matlabcentral/answers/2155785-convert-string-to-256-characters#answer_1523420

编辑：Walter Roberson 2024-9-27，6:41

在 MATLAB Online 中打开

TEXT = sprintf('%256s', 'Unformatted Data Version=');
fprintf(FILEID, "%s\n", TEXT)

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Answer 2

Ronit 2024-9-27，6:46

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编辑：Ronit 2024-9-27，6:48

在 MATLAB Online 中打开

Hi @Jaden Hoechstetter

In MATLAB, you can convert a string to a fixed length by padding it with spaces or truncating it to ensure it is exactly 256 characters long by using the "pad" function.

text = 'Unformatted Data Version=';
textUpdated = pad(text, 256);
disp(textUpdated);
Unformatted Data Version=                                                                                                                                                                                                                                       

Here is the documentation link for "pad" function:

https://www.mathworks.com/help/matlab/ref/string.pad.html

I hope it helps your query!