R.utils (version 2.0.0)

ProgressBar: Provides text based counting progress bar

Description

Package: R.utils Class ProgressBar Object ~~| ~~+--ProgressBar Directly known subclasses: FileProgressBar public static class ProgressBar extends Object

Usage

ProgressBar(max=100, ticks=10, stepLength=1, newlineWhenDone=TRUE)

Arguments

max

The maximum number of steps.

ticks

Put visual "ticks" every ticks step.

stepLength

The default length for each increase.

newlineWhenDone

If TRUE, a newline is outputted when bar is updated, when done, otherwise not.

Fields and Methods

Methods: rll{ as.character Gets a string description of the progress bar. getBarString Gets the progress bar string to be displayed. increase Increases (steps) progress bar. isDone Checks if progress bar is completed. reset Reset progress bar. setMaxValue Sets maximum value. setProgress Sets current progress. setStepLength Sets default step length. setTicks Sets values for which ticks should be visible. setValue Sets current value. update Updates progress bar. }

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

# A progress bar with default step length one.
pb <- ProgressBar(max=42)
reset(pb)
while (!isDone(pb)) {
  x <- rnorm(3e4)
  increase(pb)
  # Emulate a slow process
  if (interactive()) Sys.sleep(0.02)
}
cat("")

# A "faster" progress bar with default step length 1.4.
pb <- ProgressBar(max=42, stepLength=1.4)
reset(pb)
while (!isDone(pb)) {
  x <- rnorm(3e4)
  increase(pb)
  # Emulate a slow process
  if (interactive()) Sys.sleep(0.02)
}

cat("")