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# use list.files() here as this seems to trick the nfs cache
# see https://github.com/mllg/batchtools/issues/85
waitForFiles = function(path, fns, timeout = 0) {
if (timeout == 0)
return(TRUE)
fns = fns[!fs::file_exists(fns)]
if (length(fns) == 0L)
return(TRUE)
"!DEBUG [waitForFiles]: `length(fns)` files not found via 'file.exists()'"
fns = chsetdiff(fns, list.files(path, all.files = TRUE))
if (length(fns) == 0L)
return(TRUE)
timeout = timeout + Sys.time()
repeat {
Sys.sleep(0.5)
fns = chsetdiff(fns, list.files(path, all.files = TRUE))
if (length(fns) == 0L)
return(TRUE)
if (Sys.time() > timeout)
stopf("Timeout while waiting for %i files, e.g. '%s'", length(fns), fns[1L])
}
}
waitForFile = function(fn, timeout = 0, must.work = TRUE) {
if (timeout == 0 || fs::file_exists(fn))
return(TRUE)
"!DEBUG [waitForFile]: `fn` not found via 'file.exists()'"
timeout = timeout + Sys.time()
path = fs::path_dir(fn)
repeat {
Sys.sleep(0.5)
if (fn %chin% list.files(path, all.files = TRUE))
return(TRUE)
if (Sys.time() > timeout) {
if (must.work)
stopf("Timeout while waiting for file '%s'", fn)
return(FALSE)
}
}
}
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