Can't save history using savehistory()

Ken,

History is saved at the end of your session.

During a session, the new commands should show up at the bottom of the
history pane.

Regards,
Rob


On Jan 12, 2011, at 1:41 PM, ken.williams at thomsonreuters.com wrote:

savehistory() history doesn't seem to be doing anything on my platform.
Here's an example:

=======================================
[R.app GUI 1.35 (5665) i386-apple-darwin9.8.0]

[History restored from /Users/u0048513/.Rapp.history]

tail(readLines(file("~/.Rapp.history")))

[1] "?Matrix"                             "15*275/1024"
       "log10(2^32/4)"
[4] "log2(10^6)"                          "library(ff)#"
       "ffload(\"ff/a\", rootpath=\"/tmp\")"

5+5

[1] 10

savehistory('~/.Rapp.history')

tail(readLines(file("~/.Rapp.history")))

[1] "?Matrix"                             "15*275/1024"
       "log10(2^32/4)"
[4] "log2(10^6)"                          "library(ff)#"
       "ffload(\"ff/a\", rootpath=\"/tmp\")"

sessionInfo()

R version 2.12.1 (2010-12-16)
Platform: i386-apple-darwin9.8.0/i386 (32-bit)

locale:
[1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8

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

file.info('~/.Rapp.history')

                size isdir mode               mtime               ctime
             atime uid gid    uname   grname
~/.Rapp.history 17357 FALSE  644 2011-01-12 15:36:20 2011-01-12
15:36:20 2011-01-12 15:36:25 502 502 u0048513 u0048513
=======================================

As the last line shows, there shouldn't be a permissions problem.  One
suspicious thing is that there are exactly 512 lines in the file ? but
in the R.app preference pane I have the max number of history items set
to 1000, so perhaps that's a red herring.

Any thoughts?

--
Ken Williams
Senior Research Scientist

Thomson Reuters

Phone: 651-848-7712
ken.williams at thomsonreuters.com
http://thomsonreuters.com