Dear R-devel
When 'install.packages' runs, it updates all html files in all packages.
Mostly, there seems to be no actual change to the html file contents, but the
date/time does change. This has causing been me a bit of trouble, because I
keep synchronized versions of R on several different machines, and whenever I
install a package, many MB of file transfers are required; my slow upload link
can't cope.
The culprit appears to be 'utils:::fixup.package.URLs'. Adding the commented
lines below, near the end of the function, avoids the unnecessary rewrite.
Mark Bravington
CSIRO
Hobart
Australia
for (f in files) {
page <- readLines(f)
old.page <- page # MVB
page <- gsub(olddoc, doc, page, fixed = TRUE, useBytes = TRUE)
page <- gsub(oldbase, base, page, fixed = TRUE, useBytes = TRUE)
page <- gsub(oldutils, utils, page, fixed = TRUE, useBytes = TRUE)
page <- gsub(oldgraphics, graphics, page, fixed = TRUE,
useBytes = TRUE)
page <- gsub(oldstats, stats, page, fixed = TRUE, useBytes = TRUE)
page <- gsub(olddata, datasets, page, fixed = TRUE, useBytes = TRUE)
page <- gsub(oldgrD, grD, page, fixed = TRUE, useBytes = TRUE)
page <- gsub(oldmeth, meth, page, fixed = TRUE, useBytes = TRUE)
if( identical( page, old.page)) # MVB
next # MVB
out <- try(file(f, open = "w"), silent = TRUE)
if (inherits(out, "try-error")) {
warning(gettextf("cannot update '%s'", f), domain = NA)
next
}
writeLines(page, out)
close(out)
}
return(TRUE)
}
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