R Under development (unstable) (2025-12-17 r89193 ucrt) -- "Unsuffered Consequences"
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> # Use a temporary directory ----------------------------
> owd = getwd()
> td = tempdir()
> setwd(td)
> 
> # Do some data encoding and decoding ------------------
> library(knitrdata)
> 
> x = data.frame(a=1:5,b=letters[1:5])
> write.csv(x,"test.csv")
> saveRDS(x,"test.RDS")
> 
> enccsv = data_encode("test.csv","base64")
> encrds = data_encode("test.RDS","base64")
> 
> csv = data_decode(enccsv,"base64",as_text=TRUE)
> cat(csv)
"","a","b"

"1",1,"a"

"2",2,"b"

"3",3,"c"

"4",4,"d"

"5",5,"e"

> 
> rds = data_decode(encrds,"base64",as_text=FALSE)
> writeBin(rds,"test_output.RDS")
> y = readRDS("test_output.RDS")
> y
  a b
1 1 a
2 2 b
3 3 c
4 4 d
5 5 e
> 
> params = list(run_gpg=FALSE)
> if (requireNamespace("gpg") && params$run_gpg) {
+   k = gpg::gpg_keygen("test","test@test.org")
+   encgpg = data_encode("test.csv","gpg",options = list(receiver=k))
+ 
+   cat(data_decode(encgpg,"gpg",as_text=TRUE))
+ 
+   gpg::gpg_delete(k,secret=TRUE)
+ }
Loading required namespace: gpg
> 
> # Cleanup ------------------------------------
> file.remove("test.csv","test.RDS","test_output.RDS")
[1] TRUE TRUE TRUE
> 
> setwd(owd)
> 
> proc.time()
   user  system elapsed 
   0.26    0.09    0.78