On 21/09/2021 3:12 a.m., c.bu...@posteo.jp wrote:
Hello together,
I was using R some years ago and I am sorry for asking such a dumb
question. I found some help instructions about commandline interface but
I still miss the piece of information I need. I assume it depends on my
non-nativ English that I am not able to ask the correct (worded)
question to the search engines.
I use R-for-windows on the shell. No GUI, IDE or anything else.
When I am in windows shell ("command prompt"?) I wan't to run an
R-script (filename *.R). But when the script is finished or interrupted
the R-prompt should do not close.
In python I would do
python3 -i -m myscript
I don't think R supports this, but the following almost works:
cat myscript.R - | Rterm --ess
This copies your file followed by stdin into the stdin of R. The --ess
option tells R to act as if input is interactive, despite what it sees.
This comes kind of close, but there are a couple of problems.
- If I type really fast, the characters appear in the wrong order in R.
- At the end when I quit, it sits there for a while until I hit enter,
then gives the error message "cat: write error: no more space on device".
Perhaps these problems can be fixed.
Another approach would be to set an environment variable specifying that
myscript.R is a user profile file, set via environment variable
R_PROFILE_USER=myscript.R
This has the disadvantage of overriding a pre-existing user profile
file, but if this is just for you, I guess you know if you have one.
Duncan Murdoch
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