Today, I see a new problem I did not see before. It may have been like
this all along, but I don't like it.  If this is supposed to happen, I
wonder what it is called and how to avoid it.

The problem is that when I load a function in an R file that is in a
package source code directory, something in ESS causes the package to
be loaded when the function is read into R.

The package gets loaded if I read in a function with the "Eval
Function" button, or if I highlight a function and choose "Eval
Region".  It also happens if I hit the "Load File" button or cursor
into a function and hit C-c C-c.

The package does not load if I put cursor at top of a function and
send each individual line to the session.  This would be acceptable,
except that hitting next a few 100 times is boring.

I don't want the package to load, I'm trying to fix a problem in it by
editing the R files. If the package loads, then the functions in the
package become available and they frustrate my effort to fix the R
files.

Then I noticed that if I copy the R file into another folder, "/tmp"
in this case, then I'm able to open the file in Emacs and the package
never loads itself without my explicit request to do so. Hence, I
conclude Emacs/ESS are noticing that I'm in a package directory and
I'm getting an intended behavior.

Turning off "Developer mode" in ESS does not change this.

This is Ubuntu Emacs 24.5.1 with ESS 16.10. Here I notice I'm back in
that same confusing situation where the system's ESS 16.10 is used,
but in my ~/.emacs-d I have a newer MELPA version, but Emacs does not
notice it.  I'll leave that as a problem for another day.

pj

Opening file "/tmp/summarize.R", and doing nothing except "Load File"

NULL
NULL
NULL
NULL
NULL
Sourced file /tmp/summarize.R
> sessionInfo()
R version 3.4.1 (2017-06-30)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Ubuntu 17.04

Matrix products: default
BLAS: /usr/lib/libblas/libblas.so.3.7.0
LAPACK: /usr/lib/lapack/liblapack.so.3.7.0

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
 [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
 [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8
 [7] LC_PAPER=en_US.UTF-8       LC_NAME=C
 [9] LC_ADDRESS=C               LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

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

loaded via a namespace (and not attached):
[1] compiler_3.4.1
>



However, doing the exact same thing with the exact same file, but
within the R folder of the package:

NULL
NULL
NULL
NULL
NULL
[rockchalk] Sourced file
/home/pauljohn/GIT/rockchalk/package/rockchalk/R/summarize.R
> sessionInfo()
R version 3.4.1 (2017-06-30)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Ubuntu 17.04

Matrix products: default
BLAS: /usr/lib/libblas/libblas.so.3.7.0
LAPACK: /usr/lib/lapack/liblapack.so.3.7.0

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
 [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
 [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8
 [7] LC_PAPER=en_US.UTF-8       LC_NAME=C
 [9] LC_ADDRESS=C               LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

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

other attached packages:
[1] rockchalk_1.8.101

loaded via a namespace (and not attached):
 [1] Rcpp_0.12.11       lattice_0.20-35    MASS_7.3-47        grid_3.4.1
 [5] MatrixModels_0.4-1 nlme_3.1-131       SparseM_1.77       minqa_1.2.4
 [9] nloptr_1.0.4       car_2.1-4          Matrix_1.2-10      splines_3.4.1
[13] lme4_1.1-13        pbkrtest_0.4-7     parallel_3.4.1     compiler_3.4.1
[17] mgcv_1.8-17        nnet_7.3-12        quantreg_5.33
>

-- 
Paul E. Johnson   http://pj.freefaculty.org
Director, Center for Research Methods and Data Analysis http://crmda.ku.edu

To write to me directly, please address me at pauljohn at ku.edu.

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