@neauoire I'm having difficulty reading a file with UF. I run:

4000 dup 1000 fileread
and have no problem
But if I up 1000 to 2000 or some other larger number, I get a working stack underflow.

The file has 9732 total bytes

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@aw I think it's because the read buffer size is not large enough for that much. UF takes 1/3 of uxn's memory, the rest is working memory, it's possible that it runs out of space. It should probably throw a warning, might want to report that.

@neauoire the alternative then would be to read 1 byte at a time? looking to read a file of newline-separated values

@aw yeah, that's what I would do. It's also sort of how the file device is designed.

I'm not sure if you can read uxntal yet, but for example the drifblim assembler walks through files 1 character at a time to assemble a rom:

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