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R.utils (version 1.25.2)

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

1.25.2

License

LGPL (>= 2.1)

Maintainer

Henrik Bengtsson

Last Published

July 4th, 2013

Functions in R.utils (1.25.2)

Arguments$getReadablePathnames

Gets a readable pathname
GString$getBuiltinDate

Gets the current date
Options

The Options class
colClasses

Creates a vector of column classes used for tabular reading
TimeoutException

TimeoutException represents timeout errors
dataFrame

Allocates a data frame with given column classes
TextStatusBar

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

The LComments class
compile.SmartComments

Preprocess a vector of code lines
copyFile

Copies a file safely
cleanup.FileProgressBar

Removes the progress file for a file progress bar
VComments

The VComments class
dimNA< -

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

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

A Verbose class ignoring everything
GString$getBuiltinRhome

Gets the path where R is installed
as.logical.Verbose

Gets a logical value of this object
doCall

Executes a function call with option to ignore unused arguments
as.list.Options

Gets a list representation of the options
detachPackage

Detaches a packages by name
Settings

Class for applicational settings
print.Verbose

Prints objects if above threshold
Assert$check

Static method asserting that a generic condition is true
callHooks

Call hook functions by hook name
GString$getBuiltinDatetime

Gets the current date and time
GString$getBuiltinRversion

Gets the current R version
as.character.ProgressBar

Gets a string description of the progress bar
SmartComments

Abstract class SmartComments
findFiles

Finds one or several files in multiple directories
addFinalizerToLast

Modifies .Last() to call 'finalizeSession()
Assert

The Assert class
getTimestampFormat.Verbose

Gets the default timestamp format
as.list.MultiVerbose

Gets a list of Verbose objects
Java

Static class for Java related methods
evaluate.GString

Parses and evaluates a GString
as.character.Options

Returns a character string version of this object
Arguments

Static class to validate and process arguments
isUrl

Checks if one or several pathnames is URLs
Arguments$getWritablePathname

Gets a writable pathname
extract.array

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

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

Simple access to parsed command-line arguments
countLines

Counts the number of lines in a text file
enter.Verbose

Writes a message and indents the following output
Arguments$getDoubles

Coerces to a double vector and validates
Java$asLong

Converts a numeric to a Java long
Settings$findSettings

Searches for the settings file in one or several directories
pushBackupFile

Appends a backup suffix to the pathname
FileProgressBar

A progress bar that sets the size of a file accordingly
System$findGhostscript

Searches for the ghostview binary on the current system
isOn.NullVerbose

Checks if the output is on
GString$getBuiltinOs

Gets the operating system of the running machine
gcat

Parses, evaluates and outputs a GString
fileAccess

Checks the permission of a file or a directory
isVisible.Verbose

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

Gets a variable by name
equals.Options

Checks if this object is equal to another Options object
mkdirs

Creates a directory including any necessary but nonexistent parent directories
capture.Verbose

Captures output of a function
Arguments$getFilename

Gets and validates a filename
convertComment.VComments

Converts a verbose comment to R code
mergeIntervals.numeric

Merges intervals
as.character.binmode

Converts a binary/octal/hexadecimal number into a string
setTimestampFormat.Verbose

Sets the default timestamp format
getBarString.ProgressBar

Gets the progress bar string to be displayed
NullVerbose

A Verbose class ignoring everything
getThreshold.Verbose

Gets current verbose threshold
commandArgs

Extract command-line arguments
unwrap.array

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

Gets the process id of the current R session
update.FileProgressBar

Updates file progress bar
Verbose

Class to writing verbose messages to a connection or file
isDirectory

Checks if the file specification is a directory
R.utils-package

Package R.utils
Java$readShort

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

Prints the structure of an object if above threshold
hasOption.Options

Checks if an option exists
copyDirectory

Copies a directory
as.character.GString

Gets the processed character string
getRaw.GString

Gets the unprocessed GString
isOn.Verbose

Checks if the output is on
env

Creates a new environment, evaluates an expression therein, and returns the environment
as.double.Verbose

Gets a numeric value of this object
getLoadedPathname.Settings

Gets the pathname of the settings file loaded
capitalize

Capitalizes/decapitalizes each character string in a vector
Java$asShort

Converts a numeric to a Java short
System$parseDebian

Parses a string, file or connection for Debian formatted parameters
getAbsolutePath

Gets the absolute pathname string
Arguments$getReadablePathname

Gets a readable pathname
reset.ProgressBar

Reset progress bar
as.character.Verbose

Returns a character string version of this object
sourceTo

Parses and evaluates code from a file or a connection
hasUrlProtocol

Checks if one or several pathnames has a URL protocol
Arguments$getIndices

Coerces to a integer vector and validates
Java$writeShort

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

Coerces to a logical vector and validates
timestampOn.Verbose

Turns automatic timestamping on and off
System$currentTimeMillis

Get the current time in milliseconds
inAnyInterval.numeric

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

Gets the username of the user running R
setProgress.ProgressBar

Sets current progress
getRelativePath

Gets the relative pathname relative to a directory
GString$getBuiltinHostname

Gets the hostname of the system running R
renameFile

Renames a file safely
Java$asByte

Converts a numeric to a Java byte
Assert$isScalar

Static method asserting thatan object is a single value
Arguments$getVector

Validates a vector
Assert$inherits

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

Turn on the output
pushTemporaryFile

Appends a temporary suffix to the pathname
gstring

Parses and evaluates a GString into a regular string
isModified.Settings

Checks if settings has been modified compared to whats on file
Arguments$getIntegers

Coerces to a integer vector and validates
loadToEnv

Method to load objects to a new environment
writeRaw.MultiVerbose

Writes to each of the Verbose objects
readTableIndex

Reads a single column from file in table format
reassignInPackage

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

Static method asserting thatan object is a vector
warnings.Verbose

Outputs any warnings recorded
popBackupFile

Drops a backup suffix from the backup pathname
Java$readByte

Reads a Java formatted byte (8 bits) from a connection
isVisible.NullVerbose

Checks if a certain verbose level will be shown or not
print.GString

Prints the processed GString
popMessage.TextStatusBar

Adds a message above the status bar
swapXY.density

Swaps x and y coordinates of a density object
callHooks.function

Call hook functions
whichVector.logical

Identifies TRUE elements in a logical vector
isAbsolutePath

Checks if this pathname is absolute
Java$asInt

Converts an numeric to a Java integer
header.Verbose

Writes a header
Arguments$getEnvironment

Gets an existing environment
evalWithTimeout

Evaluate an R expression and interrupts it if it takes too long
draw.density

Draws a density curve
createFileAtomically

Creates a file atomically
names.Options

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

Removes a directory
setStepLength.ProgressBar

Sets default step length
Java$readUTF

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

Converts a string of words into a merged camel-cased word
off.Verbose

Turn off the output
popTemporaryFile

Drops a temporary suffix from the temporary pathname
writeDataFrame.data.frame

Writes a data.frame to tabular text file
systemR

Launches another R process from within R
getLabel.TextStatusBar

Gets the current value of a label
readRdHelp

Reads one or more Rd help files in a certain format
Java$writeByte

Writes a byte (8 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
printf

C-style formatted output
mapToIntervals.numeric

Maps values to intervals
increase.ProgressBar

Increases (steps) progress bar
writeBinFragments

Writes binary data to disjoint sections of a connection or a file
updateLabels.TextStatusBar

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

Reads a Microsoft Windows Shortcut (.lnk file)
toUrl

Converts a pathname into a URL
saveObject

Saves an object to a file or a connection
GString$getBuiltinTime

Gets the current time
resample

Sample values from a set of elements
Java$writeUTF

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

Coerces to Verbose object
newline.Verbose

Writes one or several empty lines
update.ProgressBar

Updates progress bar
lastModified

Gets the time when the file was last modified
writeRaw.NullVerbose

All output methods
isPackageLoaded

Checks if a package is loaded or not
onGarbageCollect

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

Sets maximum value
reset.SmartComments

Resets a SmartComments compiler
update.TextStatusBar

Updates the status bar (visually)
printf.Verbose

Formats and prints object if above threshold
isReplicated

Identifies all entries with replicated values
readBinFragments

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

Creates a grid of subplots
newline.TextStatusBar

Writes a newline
seqToHumanReadable

Gets a short human readable string representation of an vector of indices
System$openBrowser

Opens an HTML document using the OS default HTML browser
parse.SmartComments

Parses one single smart comment
isFile

Checks if the file specification is a file
loadObject

Method to load object from a file or a connection
more.Verbose

Creates a cloned instance with a lower threshold
seqToIntervals

Gets all contigous intervals of a vector of indices
System$findGraphicsDevice

Searches for a working PNG device
validate.VComments

Validates the compiled lines
setLabels.TextStatusBar

Sets new values of given labels
wrap.array

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

Sets the value of a label
isEof.connection

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

Gets the message of the exception
writeRaw.Verbose

Writes objects if above threshold
readWindowsShellLink

Reads a Microsoft Windows Shortcut (.lnk file)
parse.GString

Parses a GString
isSingle

Identifies all entries that exists exactly ones
hpaste

Concatenating vectors into human-readable strings
moveInSearchPath

Moves a environment in the search path to another position
ruler.Verbose

Writes a ruler
sourceDirectory

Sources files recursively to either local or global environment
setTicks.ProgressBar

Sets values for which ticks should be visible
setOption.Options

Sets an option
setThreshold.Verbose

Sets verbose threshold
timestamp.Verbose

Writes a timestamp
intToBin

Converts an integer to a binary/octal/hexadecimal number
Arguments$getInstanceOf

Gets an instance of the object that is of a particular class
pushState.Verbose

Pushes the current indentation state of the Verbose object
Java$writeInt

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

Gzip/Gunzip a file
splitByPattern

Splits a single character string by pattern
Assert$isMatrix

Static method asserting thatan object is a matrix
getLeaves.Options

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

Creates a Microsoft Windows Shortcut (.lnk file)
reset.VComments

Resets a VComments compiler
setOption

Sets a option in R
isPackageInstalled

Checks if a package is installed or not
System$getUsername

Retrieves the name of the user running R
isOpen.character

Checks if there is an open connection to a file
getOption.Options

Gets an option
touchFile

Updates the timestamp of a file
listDirectory

Gets the file names in the directory
saveAnywhere.Settings

Saves settings to file
nbrOfOptions.Options

Gets the number of options set
readTable

Reads a file in table format
summary.Verbose

Generates a summary of an object if above threshold
str.Options

Prints the structure of the options
finalizeSession

Function to call for finalizing the R session
stext

Writes text in the margin along the sides of a plot
setValue.ProgressBar

Sets current value
isZero

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

Validates the compiled lines
Arguments$getNumerics

Coerces to a numeric vector and validates
resetWarnings

Resets recorded warnings
setDefaultLevel.Verbose

Sets the current default verbose level
Non-documented objects

Non-documented objects
createLink

Creates a link to a file or a directory
downloadFile.character

Downloads a file
exit.Verbose

Writes a message and unindents the following output
insert

Insert values to a vector at certain positions
isDone.ProgressBar

Checks if progress bar is completed
loadAnywhere.Settings

Loads settings from file
GString$getVariableValue

Gets a variable value given a name and attributes
equals.Verbose

Checks if this object is equal to another
System

Static class to query information about the system
ProgressBar

Provides text based counting progress bar
attachLocally.list

Assigns an objects elements locally
cat.Verbose

Concatenates and prints objects if above threshold
bunzip2

Bunzip a file
evaluate.Verbose

Evaluates a function and prints its results if above threshold
Arguments$getRegularExpression

Gets a valid regular expression pattern
System$getHostname

Retrieves the computer name of the current host
less.Verbose

Creates a cloned instance with a higher threshold
onSessionExit

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

Patches installed and loaded packages and more
Java$readInt

Reads a Java formatted int (32 bits) from a connection
promptAndSave.Settings

Prompt user to save modified settings
queryRCmdCheck

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

Flushes the output
displayCode

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

Converts a single smart comment to R code
Arguments$getCharacters

Coerces to a character vector and validates
intervalsToSeq.matrix

Generates a vector of indices from a matrix of intervals
getParent

Gets the string of the parent specified by this pathname
arrayIndex

Converts vector indices to array indices