Hi all,
I have the exact same problem in R 2.14.0, which does not seem to be due to
using the quotation mark. When I say
source("~/Documents/myFile.R")
for the first time (after I start R), it works fine, but when I run it for
a second time (even when I empty the workspace and rerun every thing, just
like the first time), it returns the exact same error, i.e.,

Error in srcfilecopy(filename, lines, file.info(filename)[1, "mtime"]) :
  unused argument(s) (file.info(filename)[1, "mtime"])

Can you please help?
Cheers

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