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R.utils (version 2.4.0)

Various Programming Utilities

Description

Utility functions useful when programming and developing R packages.

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Install

install.packages('R.utils')

Monthly Downloads

191,979

Version

2.4.0

License

LGPL (>= 2.1)

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Repository

https://github.com/HenrikBengtsson/R.utils

Maintainer

Henrik Bengtsson

Last Published

September 14th, 2016

Functions in R.utils (2.4.0)

as.character.binmode

Converts a binary/octal/hexadecimal number into a string

as.character.Verbose

Returns a character string version of this object

as.character.ProgressBar

Gets a string description of the progress bar

Arguments

Static class to validate and process arguments

addFinalizerToLast

Modifies .Last() to call 'finalizeSession()

as.list.MultiVerbose

Gets a list of Verbose objects

arrayIndex

Converts vector indices to array indices

as.double.Verbose

Gets a numeric value of this object

as.character.GString

Gets the processed character string

as.character.Options

Returns a character string version of this object

callHooks.function

Call hook functions

Java$asLong

Converts a numeric to a Java long

attachLocally.list

Assigns an objects elements locally

Java$asShort

Converts a numeric to a Java short

as.list.Options

Gets a list representation of the options

Java$asInt

Converts an numeric to a Java integer

Java$asByte

Converts a numeric to a Java byte

Assert

The Assert class

callHooks

Call hook functions by hook name

as.logical.Verbose

Gets a logical value of this object

capitalize

Capitalizes/decapitalizes each character string in a vector

cleanup.FileProgressBar

Removes the progress file for a file progress bar

capture.Verbose

Captures output of a function

captureOutput

Evaluate an R expression and captures the output

colClasses

Creates a vector of column classes used for tabular reading

cat.Verbose

Concatenates and prints objects if above threshold

cmdArgsCall

Calls an R function passing command-line arguments

commandArgs

Extract command-line arguments

cmdArgs

Simple access to parsed command-line arguments

Assert$check

Static method asserting that a generic condition is true

countLines

Counts the number of lines in a text file

compile.SmartComments

Preprocess a vector of code lines

compressPDF

Compresses a PDF (into a new PDF)

createLink

Creates a link to a file or a directory

compressFile

Compressing and decompressing files

convertComment.SmartComments

Converts a single smart comment to R code

createFileAtomically

Creates a file atomically

copyFile

Copies a file atomically

convertComment.VComments

Converts a verbose comment to R code

copyDirectory

Copies a directory

createWindowsShortcut

Creates a Microsoft Windows Shortcut (.lnk file)

draw.density

Draws a density curve

System$currentTimeMillis

Get the current time in milliseconds

dimNA< -

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

eget

Gets a variable by name

dataFrame

Allocates a data frame with given column classes

displayCode

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

doCall

Executes a function call with option to ignore unused arguments

detachPackage

Detaches packages by name

downloadFile.character

Downloads a file

egsub

Global substitute of expression using regular expressions

enter.Verbose

Writes a message and indents the following output

exit.Verbose

Writes a message and unindents the following output

evaluate.Verbose

Evaluates a function and prints its results if above threshold

gcat

Parses, evaluates and outputs a GString

System$findGraphicsDevice

Searches for a working PNG device

Settings$findSettings

Searches for the settings file in one or several directories

gcDLLs

Identifies and removes DLLs of packages already unloaded

Arguments$getDoubles

Coerces to a double vector and validates

Arguments$getEnvironment

Gets an existing environment

Arguments$getLogicals

Coerces to a logical vector and validates

env

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

getMessage.TimeoutException

Gets the message of the exception

equals.Options

Checks if this object is equal to another Options object

getParent

Gets the string of the parent specified by this pathname

getBarString.ProgressBar

Gets the progress bar string to be displayed

getAbsolutePath

Gets the absolute pathname string

getRaw.GString

Gets the unprocessed GString

getThreshold.Verbose

Gets current verbose threshold

getTimestampFormat.Verbose

Gets the default timestamp format

hpaste

Concatenating vectors into human-readable strings

findFiles

Finds one or several files in multiple directories

hsize

Convert byte sizes into human-readable byte sizes

System$findGhostscript

Searches for a Ghostview executable on the current system

GString$getBuiltinPid

Gets the process id of the current R session

GString$getBuiltinRhome

Gets the path where R is installed

Arguments$getIndices

Coerces to a integer vector and validates

getLeaves.Options

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

Arguments$getInstanceOf

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

getLoadedPathname.Settings

Gets the pathname of the settings file loaded

hasUrlProtocol

Checks if one or several pathnames has a URL protocol

header.Verbose

Writes a header

isDirectory

Checks if the file specification is a directory

Assert$isScalar

Static method asserting thatan object is a single value

isDone.ProgressBar

Checks if progress bar is completed

isSingle

Identifies all entries that exists exactly ones

isVisible.Verbose

Checks if a certain verbose level will be shown or not

isVisible.NullVerbose

Checks if a certain verbose level will be shown or not

nullfile

Gets the pathname of the NULL device on the current platform

NullVerbose

A Verbose class ignoring everything

System$openBrowser

Opens an HTML document using the OS default HTML browser

Options

The Options class

filePath

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

fileAccess

Checks the permission of a file or a directory

GString$getBuiltinRversion

Gets the current R version

GString$getBuiltinDatetime

Gets the current date and time

GString$getBuiltinDate

Gets the current date

Arguments$getReadablePathname

Gets a readable pathname

GString$getBuiltinTime

Gets the current time

Arguments$getReadablePathnames

Gets a readable pathname

gstring

Character string with advanced substitutions

hasOption.Options

Checks if an option exists

isPackageLoaded

Checks if a package is loaded or not

installPackages

Install R packages by name or URL

isReplicated

Identifies all entries with replicated values

intervalsToSeq.matrix

Generates a vector of indices from a matrix of intervals

mout

Miscellaneous functions for outputting via message()

more.Verbose

Creates a cloned instance with a lower threshold

newline.Verbose

Writes one or several empty lines

Non-documented objects

popMessage.TextStatusBar

Adds a message above the status bar

popTemporaryFile

Drops a temporary suffix from the temporary pathname

Java$readShort

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

readRdHelp

Reads one or more Rd help files in a certain format

resetWarnings

Resets recorded warnings

renameFile

Renames a file (or a directory) atomically/safely

removeDirectory

Removes a directory

setTimestampFormat.Verbose

Sets the default timestamp format

ruler.Verbose

Writes a ruler

Settings

Class for applicational settings

sourceTo

Parses and evaluates code from a file or a connection

splitByPattern

Splits a single character string by pattern

Assert$inherits

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

isUrl

Checks if one or several pathnames is URLs

insert

Insert values to a vector at certain positions

loadToEnv

Method to load objects to a new environment

Assert$isVector

Static method asserting thatan object is a vector

off.Verbose

Turn off the output

mapToIntervals.numeric

Maps values to intervals

on.Verbose

Turn on the output

PERCENT< -PERCENT

Assignment operator for delayed assignments ('lazy future')

Sys.readlink2

Read File Symbolic Links (also on Windows)

popBackupFile

Drops a backup suffix from the backup pathname

update.FileProgressBar

Updates file progress bar

unwrap.array

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

System

Static class to query information about the system

withRepos

Evaluate an R expression with repositories set temporarily

equals.Verbose

Checks if this object is equal to another

withSeed

Evaluate an R expression with a temporarily set random set

evaluate.GString

Parses and evaluates a GString

FileProgressBar

A progress bar that sets the size of a file accordingly

Arguments$getIntegers

Coerces to a integer vector and validates

GString$getBuiltinUsername

Gets the username of the user running R

finalizeSession

Function to call for finalizing the R session

Arguments$getVector

Validates a vector

getLabel.TextStatusBar

Gets the current value of a label

Arguments$getCharacters

Coerces to a character vector and validates

readWindowsShortcut

Reads a Microsoft Windows Shortcut (.lnk file)

Arguments$getVerbose

Coerces to Verbose object

reassignInPackage

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

seqToHumanReadable

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

sourceDirectory

Sources files recursively to either local or global environment

SmartComments

Abstract class SmartComments

seqToIntervals

Gets all contigous intervals of a vector of indices

setTicks.ProgressBar

Sets values for which ticks should be visible

setThreshold.Verbose

Sets verbose threshold

use

Attaches or loads packages

updateLabels.TextStatusBar

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

pushState.Verbose

Pushes the current indentation state of the Verbose object

pushBackupFile

Appends a backup suffix to the pathname

R.utils-package

Package R.utils

readBinFragments

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

str.Verbose

Prints the structure of an object if above threshold

Creates a grid of subplots

TextStatusBar

A status bar at the R prompt that can be updated

TimeoutException

TimeoutException represents timeout errors

Verbose

Class to writing verbose messages to a connection or file

warnings.Verbose

Outputs any warnings recorded

Java$writeByte

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

getRelativePath

Gets the relative pathname relative to a directory

Arguments$getRegularExpression

Gets a valid regular expression pattern

writeDataFrame.data.frame

Writes a data.frame to tabular text file

Arguments$getWritablePathname

Gets a writable pathname

intToBin

Converts an integer to a binary/octal/hexadecimal number

isOpen.character

Checks if there is an open connection to a file

isAbsolutePath

Checks if this pathname is absolute

isPackageInstalled

Checks if a package is installed or not

lastModified

Gets the time when the file was last modified

Assert$isMatrix

Static method asserting thatan object is a matrix

isFile

Checks if the file specification is a file

isEof.connection

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

Java

Static class for Java related methods

isZero

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

isModified.Settings

Checks if settings has been modified compared to whats on file

mpager

A \"pager\" function that outputs to standard error

moveInSearchPath

Moves a environment in the search path to another position

onGarbageCollect

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

LComments

The LComments class

loadObject

Method to load object from a file or a connection

loadAnywhere.Settings

Loads settings from file

MultiVerbose

A Verbose class ignoring everything

System$parseDebian

Parses a string, file or connection for Debian formatted parameters

names.Options

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

printf

C-style formatted output

printf.Verbose

Formats and prints object if above threshold

patchCode

Patches installed and loaded packages and more

Java$readByte

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

Java$readInt

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

readWindowsShellLink

Reads a Microsoft Windows Shortcut (.lnk file)

Java$readUTF

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

setProgress.ProgressBar

Sets current progress

setLabel.TextStatusBar

Sets the value of a label

setDefaultLevel.Verbose

Sets the current default verbose level

systemR

Launches another R process from within R

setStepLength.ProgressBar

Sets default step length

tempvar

Gets a unique non-existing temporary variable name

touchFile

Updates the timestamp of a file

whichVector.logical

Identifies TRUE elements in a logical vector

writeRaw.NullVerbose

All output methods

withCapture

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

Java$writeShort

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

writeRaw.Verbose

Writes objects if above threshold

extract.array

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

Java$writeUTF

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

file.info2

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

flush.TextStatusBar

Flushes the output

findSourceTraceback

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

GString$getBuiltinHostname

Gets the hostname of the system running R

GString$getBuiltinOs

Gets the operating system of the running machine

Arguments$getFilename

Gets and validates a filename

Arguments$getNumerics

Coerces to a numeric vector and validates

System$getHostname

Retrieves the computer name of the current host

toUrl

Converts a pathname into a URL

getOption.Options

Gets an option

withSink

Evaluate an R expression while temporarily diverting output

onSessionExit

Registers a function to be called when the R session finishes

withTimeout

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

print.GString

Prints the processed GString

print.Verbose

Prints objects if above threshold

readTable

Reads a file in table format

readTableIndex

Reads a single column from file in table format

reset.ProgressBar

Reset progress bar

resample

Sample values from a set of elements

setMaxValue.ProgressBar

Sets maximum value

setLabels.TextStatusBar

Sets new values of given labels

swapXY.density

Swaps x and y coordinates of a density object

summary.Verbose

Generates a summary of an object if above threshold

tmpfile

Creates a temporary file with content

toCamelCase

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

useRepos

Sets package repositories

validate.SmartComments

Validates the compiled lines

withLocale

Evaluate an R expression with locale set temporarily

Java$writeInt

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

withOptions

Evaluate an R expression with options set temporarily

writeRaw.MultiVerbose

Writes to each of the Verbose objects

System$getUsername

Retrieves the name of the user running R

GString$getVariableValue

Gets a variable value given a name and attributes

inAnyInterval.numeric

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

increase.ProgressBar

Increases (steps) progress bar

isOn.Verbose

Checks if the output is on

isOn.NullVerbose

Checks if the output is on

listDirectory

Gets the file names in the directory

less.Verbose

Creates a cloned instance with a higher threshold

mkdirs

Creates a directory including any necessary but nonexistent parent directories

mergeIntervals.numeric

Merges intervals

nbrOfOptions.Options

Gets the number of options set

newline.TextStatusBar

Parses one single smart comment

ProgressBar

Provides text based counting progress bar

promptAndSave.Settings

Prompt user to save modified settings

queryRCmdCheck

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

reset.SmartComments

Resets a SmartComments compiler

pushTemporaryFile

Appends a temporary suffix to the pathname

reset.VComments

Resets a VComments compiler

saveAnywhere.Settings

Saves settings to file

saveObject

Saves an object to a file or a connection

setValue.ProgressBar

Sets current value

shell.exec2

Open a file or URL using Windows File Associations

stext

Writes text in the margin along the sides of a plot

timestampOn.Verbose

Turns automatic timestamping on and off

timestamp.Verbose

Writes a timestamp

str.Options

Prints the structure of the options

update.ProgressBar

Updates progress bar

update.TextStatusBar

Updates the status bar (visually)

validate.VComments

Validates the compiled lines

VComments

The VComments class

wrap.array

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

writeBinFragments

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