Issue using Delete to remove .txt file

2020 1 29
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更新时间：2022 4 25
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Hello everyone. I am currently trying to reomove a .txt file before saving data on it to avoid superposition. I am using Delete as defined in it's help page.
My code is as follows:
delete 'WeightData.txt'
save('WeightData.txt', 'weight', '-ASCII','-append');
However, when I execute it I obtain the following "Warning: File not found or permission denied"
I have also tried to delete using the wildcard
delete '*.txt'
However, the error remains the same and the values keep accumulating in the .txt file.
Can someone please advice me on what to do?
Thanks for reading.

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