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R.utils (version 1.1.7)

Various programming utilities

Description

This package provides utility classes and methods useful when programming in R and developing R packages.

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Version

Install

install.packages('R.utils')

Monthly Downloads

171,037

Version

1.1.7

License

LGPL (>= 2.1)

Maintainer

Henrik Bengtsson

Last Published

June 8th, 2009

Functions in R.utils (1.1.7)

devDone

Closes an on-screen (interactive) device

MultiVerbose

A Verbose class ignoring everything

System

Static class to query information about the system

as.character.Options

Returns a character string version of this object

displayCode

Displays the contents of a text file with line numbers and more

ProgressBar

Provides text based counting progress bar

getBuiltinRversion.GString

Gets the current R version

getBuiltinTime.GString

Gets the current time

attachLocally.list

Assigns an objects elements locally

convertComment.VComments

Converts a verbose comment to R code

as.double.Verbose

Gets a numeric value of this object

asInt.Java

Converts an numeric to a Java integer

asByte.Java

Converts a numeric to a Java byte

finalizeSession

Function to call for finalizing the R session

copyFile

Copies a file safely

Non-documented objects

getIntegers.Arguments

Coerces to a integer vector and validates

copyDirectory

Copies a directory

getBuiltinUsername.GString

Gets the username of the user running R

getParent

Gets the string of the parent specified by this pathname

getLogicals.Arguments

Coerces to a logical vector and validates

bunzip2

Bunzip a file

increase.ProgressBar

Increases (steps) progress bar

Arguments

Static class to validate and process arguments

getNumerics.Arguments

Coerces to a numeric vector and validates

doCall

Executes a function call with option to ignore unused arguments

arrayIndex

Converts vector indices to array indices

getUsername.System

Retrieves the name of the user running R

dataFrame

Allocates a data frame with given column classes

as.character.Verbose

Returns a character string version of this object

convertComment.SmartComments

Converts a single smart comment to R code

getVariableValue.GString

Gets a variable value given a name and attributes

getBuiltinRhome.GString

Gets the path where R is installed

GString

Character string with advanced substitutions

relibrary

Reloads a package

getBuiltinPid.GString

Gets the process id of the current R session

reset.VComments

Resets a VComments compiler

Gets a short human readable string representation of an vector of indices

Checks if one or several pathnames has a URL protocol

check.Assert

Static method asserting that a generic condition is true

exit.Verbose

Writes a message and unindents the following output

getLoadedPathname.Settings

Gets the pathname of the settings file loaded

getEnvironment.Arguments

Gets an existing environment

isDone.ProgressBar

Checks if progress bar is completed

LComments

The LComments class

mapToIntervals.numeric

Maps values to intervals

inherits.Assert

Static method asserting that an object inherits from of a certain class

Converts a numeric to a Java long

isEof.connection

Checks if the current file position for a connection is at the 'End of File'

TextStatusBar

A status bar at the R prompt that can be updated

detachPackage

Detaches a packages by name

isVisible.Verbose

Checks if a certain verbose level will be shown or not

devIsOpen

Checks if a device is open or not

setThreshold.Verbose

Sets verbose threshold

getRegularExpression.Arguments

Gets a valid regular expression pattern

onSessionExit

Registers a function to be called when the R session finishes

whichVector.logical

Identifies TRUE elements in a logical vector

writeShort.Java

Writes a short (16 bits) to a connection in Java format

remove.FileProgressBar

Removes the progress file for a file progress bar

splitByPattern

Splits a single character string by pattern

FileProgressBar

A progress bar that sets the size of a file accordingly

capture.Verbose

Captures output of a function

wrap.array

Reshape an array or a matrix by permuting and/or joining dimensions

equals.Verbose

Checks if this object is equal to another

updateLabels.TextStatusBar

Sets the new values of given labels and updates the status bar

as.character.binmode

Converts a binary/octal/hexadecimal number into a string

getReadablePathname.Arguments

Gets a readable pathname

insert

Insert values to a vector at certain positions

hasOption.Options

Checks if an option exists

VComments

The VComments class

fileAccess

Checks the permission of a file

isVector.Assert

Static method asserting thatan object is a vector

as.logical.Verbose

Gets a logical value of this object

as.character.ProgressBar

Gets a string description of the progress bar

compile.SmartComments

Preprocess a vector of code lines

callHooks

Call hook functions by hook name

findGhostscript.System

Searches for the ghostview binary on the current system

print.GString

Prints the processed GString

devNew

Opens a new device

isPackageInstalled

Checks if a package is installed or not

currentTimeMillis.System

Get the current time in milliseconds

isDirectory

Checks if the file specification is a directory

popMessage.TextStatusBar

Adds a message above the status bar

devGetLabel

Gets the label of a device

toUrl

Converts a pathname into a URL

evaluate.Verbose

Evaluates a function and prints its results if above threshold

findGraphicsDevice.System

Searches for a working PNG device

as.list.Options

Gets a list representation of the options

inAnyInterval.numeric

Checks if a set of values are inside one or more intervals

openBrowser.System

Opens an HTML document using the OS default HTML browser

getBuiltinDatetime.GString

Gets the current date and time

commandArgs

Extract Command Line Arguments

writeInt.Java

Writes a integer (32 bits) to a connection in Java format

isAbsolutePath

Checks if this pathname is absolute

getDoubles.Arguments

Coerces to a double vector and validates

saveObject

Saves an object to a file or a connection

devSetLabel

Sets the label of a device

equals.Options

Checks if this object is equal to another Options object

Assert

The Assert class

getLabel.TextStatusBar

Gets the current value of a label

callHooks.function

Call hook functions

getCharacters.Arguments

Coerces to a character vector and validates

removeDirectory

Removes a directory

parse.SmartComments

Parses one single smart comment

toCamelCase

Converts a string of words into a merged camel-cased word

parse.GString

Parses a GString

setTicks.ProgressBar

Sets values for which ticks should be visible

header.Verbose

Writes a header

getRaw.GString

Gets the unprocessed GString

update.TextStatusBar

Updates the status bar (visually)

writeByte.Java

Writes a byte (8 bits) to a connection in Java format

countLines

Counts the number of lines in a text file

capitalize

Capitalizes/decapitalizes each character string in a vector

nbrOfOptions.Options

Gets the number of options set

names.Options

Gets the full pathname of all (non-list) options

getReadablePathnames.Arguments

Gets a readable pathname

setOption.Options

Sets an option

isPackageLoaded

Checks if a package is loaded or not

newline.TextStatusBar

Writes a newline

filePath

Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf

getBuiltinHostname.GString

Gets the hostname of the system running R

setStepLength.ProgressBar

Sets default step length

extract.array

Extract a subset of an array, matrix or a vector with unknown dimensions

saveAnywhere.Settings

Saves settings to file

readWindowsShortcut

Reads a Microsoft Windows Shortcut (.lnk file)

ruler.Verbose

Writes a ruler

isScalar.Assert

Static method asserting thatan object is a single value

isOpen.character

Checks if there is an open connection in Rto a file

getWritablePathname.Arguments

Gets a writable pathname

readBinFragments

Reads binary data from disjoint sections of a connection or a file

patchCode

Patches installed and loaded packages and more

newline.Verbose

Writes one or several empty lines

Java

Static class for Java related methods

reset.ProgressBar

Reset progress bar

loadAnywhere.Settings

Loads settings from file

getLeaves.Options

Gets all (non-list) options in a flat list

printf.Verbose

Formats and prints object if above threshold

readShort.Java

Reads a Java formatted short (16 bits) from a connection

Class for applicational settings

sourceTo

Parses and evaluates code from a file or a connection

getThreshold.Verbose

Gets current verbose threshold

subplots

Creates a grid of subplots

update.FileProgressBar

Updates file progress bar

isZero

Checks if a value is (close to) zero or not

isUrl

Checks if one or several pathnames is URLs

more.Verbose

Creates a cloned instance with a lower threshold

loadToEnv

Method to load objects to a new environment

loadObject

Method to load object from a file or a connection

getBarString.ProgressBar

Gets the progress bar string to be displayed

jpeg2

A JPEG device for Bitmap Files via GhostScript

setLabels.TextStatusBar

Sets new values of given labels

readTableIndex

Reads a single column from file in table format

sourceDirectory

Sources files recursively to either local or global environment

readTable

Reads a file in table format

writeBinFragments

Writes binary data to disjoint sections of a connection or a file

readUTF.Java

Reads a Java (UTF-8) formatted string from a connection

setDefaultLevel.Verbose

Sets the current default verbose level

reset.SmartComments

Resets a SmartComments compiler

readInt.Java

Reads a Java formatted int (32 bits) from a connection

touchFile

Updates the timestamp of a file

addFinalizerToLast

Modifies .Last() to call 'finalizeSession()

Prints the structure of an object if above threshold

seqToIntervals

Gets all contigous intervals of a vector of indices

getRelativePath

Gets the relative pathname relative to a directory

resetWarnings

Resets recorded warnings

validate.VComments

Validates the compiled lines

isModified.Settings

Checks if settings has been modified compared to whats on file

warnings.Verbose

Outputs any warnings recorded

moveInSearchPath

Moves a environment in the search path to another position

timestampOn.Verbose

Turns automatic timestamping on and off

isFile

Checks if the file specification is a file

off.Verbose

Turn off the output

NullVerbose

A Verbose class ignoring everything

promptAndSave.Settings

Prompt user to save modified settings

pushState.Verbose

Pushes the current indentation state of the Verbose object

SmartComments

Abstract class SmartComments

readByte.Java

Reads a Java formatted byte (8 bits) from a connection

setLabel.TextStatusBar

Sets the value of a label

as.character.GString

Gets the processed character string

asShort.Java

Converts a numeric to a Java short

unwrap.array

Unwrap an array, matrix or a vector to an array of more dimensions

cat.Verbose

Concatenates and prints objects if above threshold

devList

Lists the indices of the open devices named by their labels

devOff

Closes a device

getBuiltinOs.GString

Gets the operating system of the running machine

intToBin

Converts an integer to a binary/octal/hexadecimal number

isOn.NullVerbose

Checks if the output is on

isMatrix.Assert

Static method asserting thatan object is a matrix

getBuiltinDate.GString

Gets the current date

getTimestampFormat.Verbose

Gets the default timestamp format

getVerbose.Arguments

Coerces to Verbose object

intervalsToSeq.matrix

Generates a vector of indices from a matrix of intervals

lastModified

Gets the time when the file was last modified

isOn.Verbose

Checks if the output is on

less.Verbose

Creates a cloned instance with a higher threshold

mkdirs

Creates a directory including any necessary but nonexistent parent directories

on.Verbose

Turn on the output

parseDebian.System

Parses a string, file or connection for Debian formatted parameters

lapply.MultiVerbose

Applies a function to each of the Verbose objects

setProgress.ProgressBar

Sets current progress

reassignInPackage

Re-assigns a new value to an existing object in a loaded package

mergeIntervals.numeric

Merges intervals

png2

A PNG device for Bitmap Files via GhostScript

setMaxValue.ProgressBar

Sets maximum value

str.Options

Prints the structure of the options

getHostname.System

Retrieves the computer name of the current host

getIndices.Arguments

Coerces to a integer vector and validates

isVisible.NullVerbose

Checks if a certain verbose level will be shown or not

summary.Verbose

Generates a summary of an object if above threshold

listDirectory

Gets the file names in the directory

print.Verbose

Prints objects if above threshold

writeUTF.Java

Writes a string to a connection in Java format (UTF-8)

setTimestampFormat.Verbose

Sets the default timestamp format

Verbose

Class to writing verbose messages to a connection or file

colClasses

Creates a vector of column classes used for tabular reading

enter.Verbose

Writes a message and indents the following output

getAbsolutePath

Gets the absolute pathname string

findSettings.Settings

Searches for the settings file in one or several directories

writeRaw.MultiVerbose

Writes to each of the Verbose objects

validate.SmartComments

Validates the compiled lines

writeRaw.Verbose

Writes objects if above threshold