HOW CAN A .DAT FILE BE EDITED
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Hi; I trying to change a certain number in a DAT file, the file consists of numbers and text as shown
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/164989/image.jpeg)
The problem is every time I edit the file using commands like fprintf to overwrite the file, the external programme that supposes the read and executes the file gives me an error because it is not able to read the file anymore. please, is there a way to edit and save the file while it is still readable? Thanks
12 个评论
Jan
2017-6-9
编辑:Jan
2017-6-9
As we see in this screenshot, you try to attach a .rar file. The error message tells clearly, that this is not supported, but a .zip file would work and .txt files also.
Nevertheless, your problem is solved and attaching the file is not needed anymore.
Instead of using 'wt' in fopen, you can replace the line breaks also by '\r\n'. Beside the Editor shipped with Windows, your application seems to require the DOS linebreaks. What a pitty.
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