Need to use only a single thread to parse this file

[jimhester]

This file has some quoted fields with escaped quotes inside of them,
which causes problems when doing multi-threaded reading in readr 2.0.0.

Forcing only a single thread allows the file to be parsed as intended.

[marineleroi]

@jimhester I've updated the readr package, I do see a warning message when using the spir_indicator() function, but the function runs and the data frame looks good. Do you know by any chance why escaped quotes would result in such multi-threading issues?

[jimhester]

You need to use the current development version of readr to see the issue. The way the multi-threading works the other threads don't know if they are in a quoted field or not. There is automatic detection with a fallback to single threaded mode if an unexpected newline is encountered, but in this case the issue is with the embedded quotation, not a newline so the fallback does not trigger.

[marineleroi]

Thanks for the details! Wouldn't it be cleaner to patch readr to detect embedded quotations as well?