On 15 May 2015 at 07:13, Hadley Wickham wrote:
| Make the example print out Sys.getenv() and then manually inspect?
On the systems I use system("env") is more efficient as it gets you
all at once.
| Otherwise, you'll need to debug the code by adding print statements.
| Something clearly is not as you expect, so you need carefully
| empirically verify your assumptions about the inputs to and
| environment of the function.
Exactly. No magic here, just plainstaken debugging.
As an old ~/.signature of mine said: "In theory, theory and practice are the
same. In practie, they are not." Assumptions are good. We all get a good
laugh out of them after the fact.
Dirk
--
http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org
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