[R] Issue with littler vs. R and source()

[Steve Martin]

Hi John,

Does it work if you run R CMD r -i FailBill.R?

Steve


-------- Original Message --------
On 3/7/25 10:45, J C Nash <profjcnash using gmail.com> wrote:

>  I want to use littler (i.e. "r -i ") to run an R script so I can
>  set up a clickable icon for a program which uses package staplr.
>  Actually to use staplr to consolidate two files and remove some unwanted
>  pages before printout.
>  
>  A minimal example program is FailBill.R, which has the single line
>  
>     library("staplr")
>  
>  staplr is installed, as is rJava. System is Linux Mint 22.1 Xia,
>  and I had to install default-jre and default-jdk to get rJava
>  installed. Same error came up in a virtual Linux Mint 22 Wilma,
>  as I thought recent upgrade to Mint might be the problem.
>  
>  Starting R and then doing
>    source("FailBill.R")
>  works fine.
>  
>  But in a terminal
>  
>     r -i FailBill.R
>  
>  gives
>  
>     Error: package or namespace load failed for ‘staplr’:
>     .onLoad failed in loadNamespace() for 'staplr', details:
>       call: NULL
>       error: .onLoad failed in loadNamespace() for 'rJava', details:
>       call: dyn.load(file, DLLpath = DLLpath, ...)
>       error: unable to load shared object '/home/john/R/x86_64-pc-linux-gnu-library/4.4/rJava/libs/rJava.so':
>       libjvm.so: cannot open shared object file: No such file or directory
>  
>  Almost certainly some setting/pointer is incorrect, but I've yet to find it, and see a
>  lot of posts about rJava, offering plenty of confusion.
>  
>  Suggestions welcome. Note that the program is interactive, and RScript or similar
>  charge ahead and ignore the interactive dialogs that use package svDialogs in the
>  program I'm trying to develop. Since I can run in R or RStudio by starting them and
>  then source()ing, the situation is not critical, but it would be good to work out
>  what is failing.
>  
>  John Nash
>  
>  ______________________________________________
>  R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
>  https://stat.ethz.ch/mailman/listinfo/r-help
>  PLEASE do read the posting guide https://www.R-project.org/posting-guide.html
>  and provide commented, minimal, self-contained, reproducible code.
>