[R] R Windows App manifest “longPathAware”?

Luke Klein LK|e|n @end|ng |rom |h|360@org
Thu Mar 31 12:42:49 CEST 2022

Hello.  I hope this email finds you well.In windows, I cannot read files that have a path-length longer than 256.  I never had this issue on Mac.

I am aware of Wondows MAX_LENGTH parameter, and I've changed my registry to enable long paths (LongPathsEnabled).  I've also made the necessary changes to my group policy (see https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation?tabs=cmd)

However, R still gives me trouble when reading or writing files that exceed a length of 256.

It appears that software API need to actively opt-in to allow long paths (Add longPathAware to the app manifest on Windows � Issue #7986 � rust-lang/cargo � GitHub<https://github.com/rust-lang/cargo/issues/7986>).  Please pass this message along to inquire if R has done so.

All the best,

Luke Klein | Statistician/Technical Advisor I

Monitoring, Evaluation and Learning (MEL) team

Act to End NTDs | West Program<https://www.actntdswest.org/>

1825 Connecticut Avenue, NW |Washington, DC 20009

T: +1 (949) 412-9079 | lklein using fhi360.org<mailto:lklein using fhi360.org>

Sent from my iPhone.  Please excuse any typos.

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