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R.utils (version 1.19.3)

Various programming utilities

Description

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

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Version

Install

install.packages('R.utils')

Monthly Downloads

171,037

Version

1.19.3

License

LGPL (>= 2.1)

Maintainer

Henrik Bengtsson

Last Published

December 22nd, 2012

Functions in R.utils (1.19.3)

capture.Verbose

Captures output of a function

cat.Verbose

Concatenates and prints objects if above threshold

extract.array

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

convertComment.VComments

Converts a verbose comment to R code

MultiVerbose

A Verbose class ignoring everything

System

Static class to query information about the system

getIntegers.Arguments

Coerces to a integer vector and validates

as.character.GString

Gets the processed character string

cleanup.FileProgressBar

Removes the progress file for a file progress bar

getBarString.ProgressBar

Gets the progress bar string to be displayed

detachPackage

Detaches a packages by name

getInstanceOf.Arguments

Gets an instance of the object that is of a particular class

getDoubles.Arguments

Coerces to a double vector and validates

getBuiltinPid.GString

Gets the process id of the current R session

R.utils-package

Package R.utils

as.character.Verbose

Returns a character string version of this object

Settings

Class for applicational settings

asByte.Java

Converts a numeric to a Java byte

createWindowsShortcut

Creates a Microsoft Windows Shortcut (.lnk file)

exit.Verbose

Writes a message and unindents the following output

moveInSearchPath

Moves a environment in the search path to another position

flush.TextStatusBar

Flushes the output

isOn.NullVerbose

Checks if the output is on

createLink

Creates a link to a file or a directory

countLines

Counts the number of lines in a text file

convertComment.SmartComments

Converts a single smart comment to R code

getMessage.TimeoutException

Gets the message of the exception

as.list.Options

Gets a list representation of the options

getOption.Options

Gets an option

writeDataFrame.data.frame

Writes a data.frame to tabular text file

onGarbageCollect

Registers a function to be called when the R garbage collector is (detected to be) running

getBuiltinRversion.GString

Gets the current R version

printf.Verbose

Formats and prints object if above threshold

printf

C-style formatted output

evalWithTimeout

Evaluate an R expression and interrupts it if it takes too long

asInt.Java

Converts an numeric to a Java integer

getLogicals.Arguments

Coerces to a logical vector and validates

off.Verbose

Turn off the output

patchCode

Patches installed and loaded packages and more

getHostname.System

Retrieves the computer name of the current host

hpaste

Concatenating vectors into human-readable strings

intervalsToSeq.matrix

Generates a vector of indices from a matrix of intervals

isDirectory

Checks if the file specification is a directory

asLong.Java

Converts a numeric to a Java long

capitalize

Capitalizes/decapitalizes each character string in a vector

getReadablePathnames.Arguments

Gets a readable pathname

unwrap.array

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

readRdHelp

Reads one or more Rd help files in a certain format

getTimestampFormat.Verbose

Gets the default timestamp format

downloadFile.character

Downloads a file

getAbsolutePath

Gets the absolute pathname string

renameFile

Renames a file safely

isAbsolutePath

Checks if this pathname is absolute

getNumerics.Arguments

Coerces to a numeric vector and validates

addFinalizerToLast

Modifies .Last() to call 'finalizeSession()

print.Verbose

Prints objects if above threshold

isDone.ProgressBar

Checks if progress bar is completed

commandArgs

Extract Command Line Arguments

isScalar.Assert

Static method asserting thatan object is a single value

bunzip2

Bunzip a file

TimeoutException

TimeoutException represents timeout errors

setProgress.ProgressBar

Sets current progress

check.Assert

Static method asserting that a generic condition is true

NullVerbose

A Verbose class ignoring everything

saveAnywhere.Settings

Saves settings to file

isEof.connection

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

displayCode

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

arrayIndex

Converts vector indices to array indices

header.Verbose

Writes a header

equals.Options

Checks if this object is equal to another Options object

listDirectory

Gets the file names in the directory

findSourceTraceback

Finds all 'srcfile' objects generated by source() in all call frames

getBuiltinRhome.GString

Gets the path where R is installed

mkdirs

Creates a directory including any necessary but nonexistent parent directories

getEnvironment.Arguments

Gets an existing environment

lastModified

Gets the time when the file was last modified

isPackageInstalled

Checks if a package is installed or not

getVector.Arguments

Validates a vector

getRaw.GString

Gets the unprocessed GString

setTimestampFormat.Verbose

Sets the default timestamp format

fileAccess

Checks the permission of a file or a directory

callHooks.function

Call hook functions

pushTemporaryFile

Appends a temporary suffix to the pathname

isUrl

Checks if one or several pathnames is URLs

hasOption.Options

Checks if an option exists

getBuiltinOs.GString

Gets the operating system of the running machine

mapToIntervals.numeric

Maps values to intervals

readWindowsShellLink

Reads a Microsoft Windows Shortcut (.lnk file)

onSessionExit

Registers a function to be called when the R session finishes

newline.TextStatusBar

Writes a newline

getCharacters.Arguments

Coerces to a character vector and validates

setOption.Options

Sets an option

isOn.Verbose

Checks if the output is on

getLeaves.Options

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

insert

Insert values to a vector at certain positions

sourceTo

Parses and evaluates code from a file or a connection

setStepLength.ProgressBar

Sets default step length

names.Options

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

getUsername.System

Retrieves the name of the user running R

getVariableValue.GString

Gets a variable value given a name and attributes

sourceDirectory

Sources files recursively to either local or global environment

parse.GString

Parses a GString

inAnyInterval.numeric

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

popBackupFile

Drops a backup suffix from the backup pathname

Pushes the current indentation state of the Verbose object

loadToEnv

Method to load objects to a new environment

setLabels.TextStatusBar

Sets new values of given labels

getThreshold.Verbose

Gets current verbose threshold

isVisible.Verbose

Checks if a certain verbose level will be shown or not

parseDebian.System

Parses a string, file or connection for Debian formatted parameters

increase.ProgressBar

Increases (steps) progress bar

writeUTF.Java

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

systemR

Launches another R process from within R

setThreshold.Verbose

Sets verbose threshold

as.character.ProgressBar

Gets a string description of the progress bar

reset.ProgressBar

Reset progress bar

getRelativePath

Gets the relative pathname relative to a directory

on.Verbose

Turn on the output

reassignInPackage

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

evalCapture

Evaluates an expression and captures the code and/or the output

compile.SmartComments

Preprocess a vector of code lines

touchFile

Updates the timestamp of a file

wrap.array

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

FileProgressBar

A progress bar that sets the size of a file accordingly

findGraphicsDevice.System

Searches for a working PNG device

isSingle

Identifies all entries that exists exactly ones

Non-documented objects

swapXY.density

Swaps x and y coordinates of a density object

dataFrame

Allocates a data frame with given column classes

getBuiltinHostname.GString

Gets the hostname of the system running R

str.Options

Prints the structure of the options

GString

Character string with advanced substitutions

createFileAtomically

Creates a file atomically

loadAnywhere.Settings

Loads settings from file

isMatrix.Assert

Static method asserting thatan object is a matrix

dimNA< -

Sets the dimension of an object with the option to infer one dimension autmatically

readInt.Java

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

validate.VComments

Validates the compiled lines

update.FileProgressBar

Updates file progress bar

saveObject

Saves an object to a file or a connection

env

Creates a new environment, evaluates an expression therein, and returns the environment

equals.Verbose

Checks if this object is equal to another

setDefaultLevel.Verbose

Sets the current default verbose level

writeShort.Java

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

update.TextStatusBar

Updates the status bar (visually)

writeInt.Java

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

filePath

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

writeRaw.NullVerbose

All output methods

getBuiltinTime.GString

Gets the current time

colClasses

Creates a vector of column classes used for tabular reading

copyDirectory

Copies a directory

getBuiltinDate.GString

Gets the current date

getLabel.TextStatusBar

Gets the current value of a label

getParent

Gets the string of the parent specified by this pathname

print.GString

Prints the processed GString

setOption

Sets a option in R

getIndices.Arguments

Coerces to a integer vector and validates

getVerbose.Arguments

Coerces to Verbose object

enter.Verbose

Writes a message and indents the following output

getRegularExpression.Arguments

Gets a valid regular expression pattern

validate.SmartComments

Validates the compiled lines

inherits.Assert

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

isVisible.NullVerbose

Checks if a certain verbose level will be shown or not

Provides text based counting progress bar

isOpen.character

Checks if there is an open connection to a file

isFile

Checks if the file specification is a file

as.logical.Verbose

Gets a logical value of this object

asShort.Java

Converts a numeric to a Java short

less.Verbose

Creates a cloned instance with a higher threshold

popMessage.TextStatusBar

Adds a message above the status bar

pushBackupFile

Appends a backup suffix to the pathname

currentTimeMillis.System

Get the current time in milliseconds

nbrOfOptions.Options

Gets the number of options set

parse.SmartComments

Parses one single smart comment

warnings.Verbose

Outputs any warnings recorded

doCall

Executes a function call with option to ignore unused arguments

attachLocally.list

Assigns an objects elements locally

reset.SmartComments

Resets a SmartComments compiler

queryRCmdCheck

Gets the on R CMD check if the current R session was launched by it

readBinFragments

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

resample

Sample values from a set of elements

setValue.ProgressBar

Sets current value

readTableIndex

Reads a single column from file in table format

draw.density

Draws a density curve

Java

Static class for Java related methods

updateLabels.TextStatusBar

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

setTicks.ProgressBar

Sets values for which ticks should be visible

Assert

The Assert class

evaluate.Verbose

Evaluates a function and prints its results if above threshold

seqToIntervals

Gets all contigous intervals of a vector of indices

getBuiltinDatetime.GString

Gets the current date and time

summary.Verbose

Generates a summary of an object if above threshold

setMaxValue.ProgressBar

Sets maximum value

Verbose

Class to writing verbose messages to a connection or file

str.Verbose

Prints the structure of an object if above threshold

as.character.binmode

Converts a binary/octal/hexadecimal number into a string

getReadablePathname.Arguments

Gets a readable pathname

findFiles

Finds one or several files in multiple directories

getLoadedPathname.Settings

Gets the pathname of the settings file loaded

writeBinFragments

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

mergeIntervals.numeric

Merges intervals

subplots

Creates a grid of subplots

isZero

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

toUrl

Converts a pathname into a URL

isPackageLoaded

Checks if a package is loaded or not

as.list.MultiVerbose

Gets a list of Verbose objects

isModified.Settings

Checks if settings has been modified compared to whats on file

findSettings.Settings

Searches for the settings file in one or several directories

isReplicated

Identifies all entries with replicated values

loadObject

Method to load object from a file or a connection

newline.Verbose

Writes one or several empty lines

promptAndSave.Settings

Prompt user to save modified settings

readWindowsShortcut

Reads a Microsoft Windows Shortcut (.lnk file)

toCamelCase

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

readTable

Reads a file in table format

setLabel.TextStatusBar

Sets the value of a label

Arguments

Static class to validate and process arguments

as.character.Options

Returns a character string version of this object

VComments

The VComments class

finalizeSession

Function to call for finalizing the R session

getFilename.Arguments

Gets and validates a filename

hasUrlProtocol

Checks if one or several pathnames has a URL protocol

openBrowser.System

Opens an HTML document using the OS default HTML browser

reset.VComments

Resets a VComments compiler

update.ProgressBar

Updates progress bar

writeRaw.Verbose

Writes objects if above threshold

stext

Writes text in the margin along the sides of a plot

TextStatusBar

A status bar at the R prompt that can be updated

callHooks

Call hook functions by hook name

isVector.Assert

Static method asserting thatan object is a vector

readShort.Java

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

popTemporaryFile

Drops a temporary suffix from the temporary pathname

writeByte.Java

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

seqToHumanReadable

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

SmartComments

Abstract class SmartComments

as.double.Verbose

Gets a numeric value of this object

copyFile

Copies a file safely

findGhostscript.System

Searches for the ghostview binary on the current system

getBuiltinUsername.GString

Gets the username of the user running R

timestampOn.Verbose

Turns automatic timestamping on and off

getWritablePathname.Arguments

Gets a writable pathname

intToBin

Converts an integer to a binary/octal/hexadecimal number

more.Verbose

Creates a cloned instance with a lower threshold

readByte.Java

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

readUTF.Java

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

resetWarnings

Resets recorded warnings

splitByPattern

Splits a single character string by pattern

writeRaw.MultiVerbose

Writes to each of the Verbose objects

whichVector.logical

Identifies TRUE elements in a logical vector