FileProgressBar
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
- Keywords
- classes
Usage
FileProgressBar(pathname=NULL, ...)
Arguments
- pathname
- The pathname of the output file.
- ...
- Other arguments accepted by the
ProgressBar
constructor.
Details
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.
Fields and Methods
Methods:
cleanup
Removes the progress file for a file progress bar.
update
Updates file progress bar.
}
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, objectSize, print, save
Examples
# Creates a progress bar (of length 100) that displays it self as a file.
pb <- FileProgressBar("~/progress.simulation")
reset(pb)
while (!isDone(pb)) {
x <- rnorm(3e4)
increase(pb)
# Emulate a slow process
if (interactive()) Sys.sleep(0.1)
Sys.sleep(0.01)
}