[R-SIG-Mac] Does R CMD check create invisible files?

cstrato cstrato at aon.at
Fri Dec 16 12:44:38 CET 2016

Dear all,

On my Mac running Yosemite I zip my package:

    $ tar czf xps_1.35.1.tar.gz xps

The directoy 'xps' does not contain any hidden files!

However, when I run:

    $ R CMD check xps_1.35.1.tar.gz

I get:
* checking for hidden files and directories ... NOTE
Found the following hidden files and directories:

When I unzip my package using:

    $ tar xvfz xps_1.35.1.tar.gz xps

there are still no hidden files!

However, the src directory created by R CMD check, i.e.

CS-iMac:CRAN cstrato$ cd xps.Rcheck/00_pkg_src/xps/
CS-iMac:xps cstrato$ ls -al
total 504
drwxr-xr-x   40 cstrato  staff   1360 Dec 16 10:30 .
drwxr-xr-x    4 cstrato  staff    136 Dec 16 10:29 ..
-rw-r--r--    1 cstrato  staff     26 Sep 30 23:33 .BBSoptions
-rw-r--r--    1 cstrato  staff    181 Sep 30 23:33 ._.BBSoptions
-rw-r--r--    1 cstrato  staff    181 Sep 30 23:33 ._ACKNOWLEDGMENT
-rw-r--r--    1 cstrato  staff    181 Dec 16 10:20 ._DESCRIPTION
-rw-r--r--    1 cstrato  staff    181 Dec 16 10:26 ._NAMESPACE

does indeed contain hidden files from all my files!

Can anybody explain this behavior and tell me how to avoid this behavior?

Here are my infos:

 > Sys.info()
"Darwin Kernel Version 14.5.0: Sun Sep 25 22:07:15 PDT 2016; 

 > sessionInfo()
R version 3.3.2 (2016-10-31)
Platform: x86_64-apple-darwin13.4.0 (64-bit)
Running under: OS X Yosemite 10.10.5

[1] C

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

Thank you in advance
Best regards,
C.h.r.i.s.t.i.a.n   S.t.r.a.t.o.w.a
V.i.e.n.n.a           A.u.s.t.r.i.a
e.m.a.i.l:        cstrato at aon.at

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