A progress bar that sets the size of a file accordingly
Package: R.utils
Class FileProgressBar
Object~~|~~+--ProgressBar~~~~~~~|~~~~~~~+--FileProgressBar
Directly known subclasses:
public static class FileProgressBar
extends ProgressBar
FileProgressBar(pathname=NULL, ...)
pathname |
The pathname of the output file. |
... |
Other arguments accepted by the |
A progress bar that sets the size of a file accordingly. This class useful to check the progress of a batch job by just querying the size of a file, for instance, via ftp.
Methods:
Methods inherited from ProgressBar:
as.character, getBarString, increase, isDone, reset, setMaxValue, setProgress, setStepLength, setTicks, setValue, update
Methods inherited from Object:
$, $<-, [[, [[<-, as.character, attach, attachLocally, clearCache, clearLookupCache, clone, detach, equals, extend, finalize, getEnvironment, getFieldModifier, getFieldModifiers, getFields, getInstantiationTime, getStaticInstance, hasField, hashCode, ll, load, names, objectSize, print, save
Henrik Bengtsson
## Not run:
# Creates a progress bar (of length 100) that displays it self as a file.
pb <- FileProgressBar(file.path(tempdir(), "progress.simulation"), max = 10L)
reset(pb)
while (!isDone(pb)) {
x <- rnorm(3e4)
increase(pb)
# Emulate a slow process
if (interactive()) Sys.sleep(0.1)
cat(sprintf("File size: %d bytes\n", file.info(pb$pathname)$size))
Sys.sleep(0.01)
}
## End(Not run)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.