AFAIK a script run through source() does not have any legit way to learn
about it's own location.

I need this to make sure that the script will find its datafiles after I
move the whole directory. (The datafiles are in the same directory.)

Here is a hack I invented to work around it:

print(getwd())
source_pathname  = get("ofile",envir = parent.frame())
source_dirname = dirname(source_pathname )
setwd(source_dirname)
print(getwd())

Question: Is there a better, cleaner way?

Thanks,
mrgomel

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