R CMD build "cannot open compressed file" with R 3.6.2

I am glad my response helped direct you toward a resolution, but antivirus interference did not actually occur to me. Thanks for reporting back.
????? Thanks to Jeff Newmiller for his reply.? He was correct.? My 
Bitdefender internet security automatically upgraded itself and started

blocking R in ways it had not before.? Please excuse me for taking the 
time of this list with this issue (and for my delay in sending this 
"issue resolution" email).

????? Spencer Graves

On 2019-12-25 13:18, Spencer Graves wrote:

On 2019-12-25 12:02, Jeff Newmiller wrote:
"Permission denied" suggests that this is not related to R. Perhaps
you ran R with elevated permissions yesterday?
On December 25, 2019 8:37:36 AM PST, Spencer
Graves<spencer.graves at prodsyse.com>  wrote:
Hello, All:

 ????? I just upgraded to R 3.6.2 and suddenly got, "cannot open
compressed file" with "R CMD build" of a package that I built
yesterday
with R 3.6.1, and I don't recall having gotten an error message
with
3.6.1.

 ????? What do you suggest I do to get around this?
 ????? Thanks,
 ????? Spencer Graves

$ R CMD build Ecfun
* checking for file ?Ecfun/DESCRIPTION? ... OK
* preparing ?Ecfun?:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... OK
* checking for LF line-endings in source and make files and shell
scripts
* checking for empty or unneeded directories
* building ?Ecfun_0.2-2.tar.gz?
Warning in gzfile(tarfile, "wb", compression = compression_level) :
 ? cannot open compressed file
'/Users/sbgraves/Documents/current/R/Ecfun_0.2-2.tar.gz', probable
reason 'Permission denied'
Error in gzfile(tarfile, "wb", compression = compression_level) :
 ? cannot open the connection
Execution halted

$ r
sessionInfo()
R version 3.6.2 (2019-12-12)
Platform: x86_64-apple-darwin15.6.0 (64-bit)
Running under: macOS Catalina 10.15.2

Matrix products: default
BLAS:

/Library/Frameworks/R.framework/Versions/3.6/Resources/lib/libRblas.0.dylib
LAPACK:

/Library/Frameworks/R.framework/Versions/3.6/Resources/lib/libRlapack.dylib
locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats???? graphics? grDevices utils???? datasets? methods base

loaded via a namespace (and not attached):
[1] compiler_3.6.2
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Sent from my phone. Please excuse my brevity.

R CMD build "cannot open compressed file" with R 3.6.2

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