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R.utils (version 1.29.8)

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

191,979

Version

1.29.8

License

LGPL (>= 2.1)

Last Published

January 30th, 2014

Functions in R.utils (1.29.8)

isReplicated

Identifies all entries with replicated values
Java$readUTF

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

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

A progress bar that sets the size of a file accordingly
printf

C-style formatted output
as.logical.Verbose

Gets a logical value of this object
readTable

Reads a file in table format
evalWithTimeout

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

Checks if this pathname is absolute
header.Verbose

Writes a header
ProgressBar

Provides text based counting progress bar
System

Static class to query information about the system
as.list.MultiVerbose

Gets a list of Verbose objects
cat.Verbose

Concatenates and prints objects if above threshold
flush.TextStatusBar

Flushes the output
filePath

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

Converts a binary/octal/hexadecimal number into a string
Java$asLong

Converts a numeric to a Java long
compile.SmartComments

Preprocess a vector of code lines
equals.Options

Checks if this object is equal to another Options object
MultiVerbose

A Verbose class ignoring everything
System$findGraphicsDevice

Searches for a working PNG device
capture.Verbose

Captures output of a function
System$findGhostscript

Searches for a Ghostview executable on the current system
Java$asByte

Converts a numeric to a Java byte
R.utils-package

Package R.utils
Java

Static class for Java related methods
cleanup.FileProgressBar

Removes the progress file for a file progress bar
as.double.Verbose

Gets a numeric value of this object
Arguments$getEnvironment

Gets an existing environment
convertComment.VComments

Converts a verbose comment to R code
attachLocally.list

Assigns an objects elements locally
Options

The Options class
VComments

The VComments class
as.character.Verbose

Returns a character string version of this object
eget

Gets a variable by name
createFileAtomically

Creates a file atomically
bunzip2

Bunzip a file
Settings

Class for applicational settings
TimeoutException

TimeoutException represents timeout errors
createLink

Creates a link to a file or a directory
convertComment.SmartComments

Converts a single smart comment to R code
LComments

The LComments class
Arguments

Static class to validate and process arguments
Non-documented objects

Non-documented objects
evalCapture

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

A Verbose class ignoring everything
callHooks.function

Call hook functions
as.character.Options

Returns a character string version of this object
colClasses

Creates a vector of column classes used for tabular reading
Assert

The Assert class
capitalize

Capitalizes/decapitalizes each character string in a vector
popBackupFile

Drops a backup suffix from the backup pathname
as.list.Options

Gets a list representation of the options
SmartComments

Abstract class SmartComments
off.Verbose

Turn off the output
arrayIndex

Converts vector indices to array indices
addFinalizerToLast

Modifies .Last() to call 'finalizeSession()
Arguments$getVector

Validates a vector
nbrOfOptions.Options

Gets the number of options set
Arguments$getInstanceOf

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

Call hook functions by hook name
getRaw.GString

Gets the unprocessed GString
System$currentTimeMillis

Get the current time in milliseconds
getParent

Gets the string of the parent specified by this pathname
enter.Verbose

Writes a message and indents the following output
listDirectory

Gets the file names in the directory
print.Verbose

Prints objects if above threshold
createWindowsShortcut

Creates a Microsoft Windows Shortcut (.lnk file)
doCall

Executes a function call with option to ignore unused arguments
Assert$inherits

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

Counts the number of lines in a text file
newline.TextStatusBar

Writes a newline
increase.ProgressBar

Increases (steps) progress bar
Java$asInt

Converts an numeric to a Java integer
cmdArgsCall

Calls an R function passing command-line arguments
evaluate.Verbose

Evaluates a function and prints its results if above threshold
GString$getBuiltinDatetime

Gets the current date and time
Java$asShort

Converts a numeric to a Java short
as.character.GString

Gets the processed character string
dimNA< -

Sets the dimension of an object with the option to infer one dimension autmatically
Sys.readlink2

Read File Symbolic Links (also on Windows)
commandArgs

Extract command-line arguments
extract.array

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

Checks if the file specification is a file
findFiles

Finds one or several files in multiple directories
System$parseDebian

Parses a string, file or connection for Debian formatted parameters
GString$getBuiltinDate

Gets the current date
installPackages

Install R packages by name or URL
env

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

Copies a file atomically
Assert$check

Static method asserting that a generic condition is true
System$getHostname

Retrieves the computer name of the current host
GString$getBuiltinPid

Gets the process id of the current R session
Java$readByte

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

Checks if the file specification is a directory
Arguments$getVerbose

Coerces to Verbose object
detachPackage

Detaches a packages by name
GString$getBuiltinHostname

Gets the hostname of the system running R
as.character.ProgressBar

Gets a string description of the progress bar
file.info2

Extract File Information (acknowledging symbolic file links also on Windows)
evaluate.GString

Parses and evaluates a GString
getAbsolutePath

Gets the absolute pathname string
GString$getBuiltinOs

Gets the operating system of the running machine
GString$getBuiltinRhome

Gets the path where R is installed
isVisible.Verbose

Checks if a certain verbose level will be shown or not
isUrl

Checks if one or several pathnames is URLs
isModified.Settings

Checks if settings has been modified compared to whats on file
insert

Insert values to a vector at certain positions
GString$getVariableValue

Gets a variable value given a name and attributes
downloadFile.character

Downloads a file
equals.Verbose

Checks if this object is equal to another
reassignInPackage

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

Splits a single character string by pattern
sourceTo

Parses and evaluates code from a file or a connection
mergeIntervals.numeric

Merges intervals
promptAndSave.Settings

Prompt user to save modified settings
setStepLength.ProgressBar

Sets default step length
touchFile

Updates the timestamp of a file
Arguments$getReadablePathnames

Gets a readable pathname
readBinFragments

Reads binary data from disjoint sections of a connection or a file
Assert$isMatrix

Static method asserting thatan object is a matrix
hasUrlProtocol

Checks if one or several pathnames has a URL protocol
getLeaves.Options

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

Gzip/Gunzip a file
Arguments$getFilename

Gets and validates a filename
dataFrame

Allocates a data frame with given column classes
getTimestampFormat.Verbose

Gets the default timestamp format
finalizeSession

Function to call for finalizing the R session
System$openBrowser

Opens an HTML document using the OS default HTML browser
setLabel.TextStatusBar

Sets the value of a label
str.Options

Prints the structure of the options
print.GString

Prints the processed GString
timestampOn.Verbose

Turns automatic timestamping on and off
getBarString.ProgressBar

Gets the progress bar string to be displayed
stext

Writes text in the margin along the sides of a plot
setOption.Options

Sets an option
isPackageLoaded

Checks if a package is loaded or not
isOn.Verbose

Checks if the output is on
GString$getBuiltinTime

Gets the current time
subplots

Creates a grid of subplots
pushTemporaryFile

Appends a temporary suffix to the pathname
seqToHumanReadable

Gets a short human readable string representation of an vector of indices
loadAnywhere.Settings

Loads settings from file
copyDirectory

Copies a directory
Arguments$getWritablePathname

Gets a writable pathname
update.FileProgressBar

Updates file progress bar
setOption

Sets a option in R
isVisible.NullVerbose

Checks if a certain verbose level will be shown or not
displayCode

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

Static method asserting thatan object is a vector
Arguments$getDoubles

Coerces to a double vector and validates
readWindowsShortcut

Reads a Microsoft Windows Shortcut (.lnk file)
getLoadedPathname.Settings

Gets the pathname of the settings file loaded
setDefaultLevel.Verbose

Sets the current default verbose level
newline.Verbose

Writes one or several empty lines
isOn.NullVerbose

Checks if the output is on
getOption.Options

Gets an option
Settings$findSettings

Searches for the settings file in one or several directories
on.Verbose

Turn on the output
summary.Verbose

Generates a summary of an object if above threshold
reset.ProgressBar

Reset progress bar
GString$getBuiltinRversion

Gets the current R version
getRelativePath

Gets the relative pathname relative to a directory
setTimestampFormat.Verbose

Sets the default timestamp format
setProgress.ProgressBar

Sets current progress
writeDataFrame.data.frame

Writes a data.frame to tabular text file
findSourceTraceback

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

Resets a SmartComments compiler
getThreshold.Verbose

Gets current verbose threshold
Arguments$getLogicals

Coerces to a logical vector and validates
Arguments$getRegularExpression

Gets a valid regular expression pattern
parse.GString

Parses a GString
toUrl

Converts a pathname into a URL
exit.Verbose

Writes a message and unindents the following output
Assert$isScalar

Static method asserting thatan object is a single value
writeRaw.Verbose

Writes objects if above threshold
hpaste

Concatenating vectors into human-readable strings
Arguments$getNumerics

Coerces to a numeric vector and validates
sourceDirectory

Sources files recursively to either local or global environment
isOpen.character

Checks if there is an open connection to a file
isPackageInstalled

Checks if a package is installed or not
Java$writeUTF

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

Validates the compiled lines
mapToIntervals.numeric

Maps values to intervals
GString$getBuiltinUsername

Gets the username of the user running R
writeBinFragments

Writes binary data to disjoint sections of a connection or a file
writeRaw.MultiVerbose

Writes to each of the Verbose objects
renameFile

Renames a file (or a directory) atomically/safely
resetWarnings

Resets recorded warnings
intToBin

Converts an integer to a binary/octal/hexadecimal number
systemR

Launches another R process from within R
intervalsToSeq.matrix

Generates a vector of indices from a matrix of intervals
timestamp.Verbose

Writes a timestamp
isDone.ProgressBar

Checks if progress bar is completed
readWindowsShellLink

Reads a Microsoft Windows Shortcut (.lnk file)
isSingle

Identifies all entries that exists exactly ones
writeRaw.NullVerbose

All output methods
use

Attaches or loads packages
loadObject

Method to load object from a file or a connection
Java$readShort

Reads a Java formatted short (16 bits) from a connection
str.Verbose

Prints the structure of an object if above threshold
setValue.ProgressBar

Sets current value
unwrap.array

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

Updates progress bar
reset.VComments

Resets a VComments compiler
pushBackupFile

Appends a backup suffix to the pathname
lastModified

Gets the time when the file was last modified
pushState.Verbose

Pushes the current indentation state of the Verbose object
less.Verbose

Creates a cloned instance with a higher threshold
loadToEnv

Method to load objects to a new environment
setThreshold.Verbose

Sets verbose threshold
Java$writeShort

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

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

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

Reads one or more Rd help files in a certain format
resample

Sample values from a set of elements
gcat

Parses, evaluates and outputs a GString
names.Options

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

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

Parses one single smart comment
warnings.Verbose

Outputs any warnings recorded
more.Verbose

Creates a cloned instance with a lower threshold
swapXY.density

Swaps x and y coordinates of a density object
setTicks.ProgressBar

Sets values for which ticks should be visible
moveInSearchPath

Moves a environment in the search path to another position
setLabels.TextStatusBar

Sets new values of given labels
onSessionExit

Registers a function to be called when the R session finishes
readTableIndex

Reads a single column from file in table format
update.TextStatusBar

Updates the status bar (visually)
Java$writeInt

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

Coerces to a character vector and validates
System$getUsername

Retrieves the name of the user running R
hasOption.Options

Checks if an option exists
popMessage.TextStatusBar

Adds a message above the status bar
patchCode

Patches installed and loaded packages and more
printf.Verbose

Formats and prints object if above threshold
removeDirectory

Removes a directory
whichVector.logical

Identifies TRUE elements in a logical vector
queryRCmdCheck

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

Character string with advanced substitutions
TextStatusBar

A status bar at the R prompt that can be updated
cmdArgs

Simple access to parsed command-line arguments
getMessage.TimeoutException

Gets the message of the exception
Arguments$getIntegers

Coerces to a integer vector and validates
Arguments$getReadablePathname

Gets a readable pathname
Arguments$getIndices

Coerces to a integer vector and validates
popTemporaryFile

Drops a temporary suffix from the temporary pathname
isEof.connection

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

Writes a ruler
setMaxValue.ProgressBar

Sets maximum value
seqToIntervals

Gets all contigous intervals of a vector of indices
Java$readInt

Reads a Java formatted int (32 bits) from a connection
wrap.array

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

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

Gets the current value of a label
Verbose

Class to writing verbose messages to a connection or file
draw.density

Draws a density curve
fileAccess

Checks the permission of a file or a directory
mkdirs

Creates a directory including any necessary but nonexistent parent directories
isZero

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

Saves an object to a file or a connection
tempvar

Gets a unique non-existing temporary variable name
saveAnywhere.Settings

Saves settings to file
validate.SmartComments

Validates the compiled lines