BUG: Variables starting with a period are exported but not imported

[HenrikBengtsson]

Variables starting with a period are exported but not imported.

Example

library("batchtools")
reg <- makeRegistry(NA)
objs <- list(a = 1, b = 2, .c = 3, d = 4)
str(objs)
batchExport(export = objs, reg = reg)
dir(file.path(reg$file.dir, "exports"), all.files = TRUE, full.names = TRUE)

batchMap(fun = function(i) {
    list(i = i, a = a, b = b, .c = .c, d = d)
}, i = 1L, reg = reg)

submitJobs(reg = reg)

ans <- waitForJobs(reg = reg)
stopifnot(isTRUE(ans))

y <- reduceResultsList(reg = reg)
str(y)

results in:

❯ getErrorMessages(reg = reg)
   job.id terminated error                                         message
1:      1       TRUE  TRUE Error in (function (i)  : object '.c' not found

Troubleshooting

This seems to be because loadRegistryDependencies() does not use all.names = TRUE in:

  path = file.path(x$file.dir, "exports")
  fns = list.files(path, pattern = "\\.rds$")

See also

BatchJobs had the exact same problem; tudo-r/BatchJobs#103

[mllg]

I now use base32 encoded file names for exports which should fix this. I will do the same thing for other user provided file names to make this consistent (i.e., problems and algorithms).