There appears to be a bug in help() when there are multiple packages
attached
containing functions with the same name, and offline=TRUE.
Example:
library(mgcv)
library(gam)
If one simply does:
help(gam) # No ``offline=TRUE''
then the following message appears:
Help on topic 'gam' was found in the following packages:
Package Library
mgcv /Library/Frameworks/R.framework/Resources/
library
gam /Users/rturner/Rlib
and a small chooser-menu window pops up to permit one to select the
package to be referred to.
However if one does
help(gam,offline=TRUE)
then the message about multiple packages appears, immediately
followed by
Error in titles[i] <- if (inherits(tmp, "try-error")) "unknown title"
else tmp[tools::file_path_sans_ext(tmp$File) == :
nothing to replace with
(and no chooser-menu window pops up).
Session info:
R version 2.6.2 (2008-02-08)
i386-apple-darwin8.10.1
locale:
C
attached base packages:
[1] splines stats graphics grDevices utils datasets methods
[8] base
other attached packages:
[1] mgcv_1.3-29 gam_0.98 misc_0.0-2
loaded via a namespace (and not attached):
[1] rcompgen_0.1-17 tcltk_2.6.2 tools_2.6.2
cheers,
Rolf Turner
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