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R.utils (version 2.12.3)

Various Programming Utilities

Description

Utility functions useful when programming and developing R packages.

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Install

install.packages('R.utils')

Monthly Downloads

227,712

Version

2.12.3

License

LGPL (>= 2.1)

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Repository

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

Homepage

https://henrikbengtsson.github.io/R.utils/

Maintainer

Henrik Bengtsson

Last Published

November 18th, 2023

Functions in R.utils (2.12.3)

LComments

The LComments class

MultiVerbose

A Verbose class ignoring everything

Options

The Options class

Sys.readlink2

Read File Symbolic Links (also on Windows)

SmartComments

Abstract class SmartComments

R.utils-package

Package R.utils

Settings

Class for applicational settings

ProgressBar

Provides text based counting progress bar

as.character.ProgressBar

Gets a string description of the progress bar

System

Static class to query information about the system

as.double.Verbose

Gets a numeric value of this object

as.logical.Verbose

Gets a logical value of this object

as.character.Verbose

Returns a character string version of this object

Java$asLong

Converts a numeric to a Java long

TextStatusBar

A status bar at the R prompt that can be updated

VComments

The VComments class

Java$asShort

Converts a numeric to a Java short

TimeoutException

TimeoutException represents timeout errors

Java$asByte

Converts a numeric to a Java byte

as.character.GString

Gets the processed character string

capture.Verbose

Captures output of a function

as.list.Options

Gets a list representation of the options

cmdArgs

Simple access to parsed command-line arguments

convertComment.SmartComments

Converts a single smart comment to R code

cleanup.FileProgressBar

Removes the progress file for a file progress bar

attachLocally.list

Assigns an objects elements locally

Java$asInt

Converts an numeric to a Java integer

equals.Options

Checks if this object is equal to another Options object

as.character.Options

Returns a character string version of this object

convertComment.VComments

Converts a verbose comment to R code

Verbose

Class to writing verbose messages to a connection or file

addFinalizerToLast

Modifies .Last() to call 'finalizeSession()

GString$getBuiltinRversion

Gets the current R version

commandArgs

Extract command-line arguments

System$findGhostscript

Searches for a Ghostview executable on the current system

captureOutput

Evaluate an R expression and captures the output

evaluate.Verbose

Evaluates a function and prints its results if above threshold

GString$getBuiltinUsername

Gets the username of the user running R

callHooks

Call hook functions by hook name

getOption.Options

Gets an option

countLines

Counts the number of lines in a text file

createFileAtomically

Creates a file atomically

cat.Verbose

Concatenates and prints objects if above threshold

compile.SmartComments

Preprocess a vector of code lines

enter.Verbose

Writes a message and indents the following output

as.list.MultiVerbose

Gets a list of Verbose objects

callHooks.function

Call hook functions

cmdArgsCall

Calls an R function passing command-line arguments

eget

Gets a variable by name

System$getHostname

Retrieves the computer name of the current host

Assert$check

Static method asserting that a generic condition is true

env

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

colClasses

Creates a vector of column classes used for tabular reading

getTimestampFormat.Verbose

Gets the default timestamp format

Settings$findSettings

Searches for the settings file in one or several directories

capitalize

Capitalizes/decapitalizes each character string in a vector

compressFile

Compressing and decompressing files

createLink

Creates a link to a file or a directory

detachPackage

Detaches packages by name

System$currentTimeMillis

Get the current time in milliseconds

doCall

Executes a function call with option to ignore unused arguments

format.binmode

Converts a binary/octal/hexadecimal number into a string

createWindowsShortcut

Creates a Microsoft Windows Shortcut (.lnk file)

findSourceTraceback

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

fileAccess

Checks the permission of a file or a directory

compressPDF

Compresses a PDF (into a new PDF)

findFiles

Finds one or several files in multiple directories

dataFrame

Allocates a data frame with given column classes

filePath

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

file.info2

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

names.Options

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

equals.Verbose

Checks if this object is equal to another

gcat

Parses, evaluates and outputs a GString

GString$getBuiltinOs

Gets the operating system of the running machine

onSessionExit

Registers a function to be called when the R session finishes

tempvar

Gets a unique non-existing temporary variable name

dimNA< -

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

update.TextStatusBar

Updates the status bar (visually)

Arguments$getEnvironment

Gets an existing environment

evaluate.GString

Parses and evaluates a GString

mergeIntervals.numeric

Merges intervals

copyFile

Copies a file atomically

Arguments$getCharacters

Coerces to a character vector and validates

copyDirectory

Copies a directory

GString$getBuiltinDatetime

Gets the current date and time

displayCode

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

GString$getVariableValue

Gets a variable value given a name and attributes

downloadFile.character

Downloads a file

draw.density

Draws a density curve

Arguments$getInstanceOf

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

GString$getBuiltinPid

Gets the process id of the current R session

egsub

Global substitute of expression using regular expressions

isPackageLoaded

Checks if a package is loaded or not

hsize

Convert byte sizes into human-readable byte sizes

gcDLLs

Identifies and removes DLLs of packages already unloaded

withSink

Evaluate an R expression while temporarily diverting output

getAbsolutePath

Gets the absolute pathname string

flush.TextStatusBar

Flushes the output

getLeaves.Options

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

getMessage.TimeoutException

Gets the message of the exception

Arguments$getReadablePathname

Gets a readable pathname

System$findGraphicsDevice

Searches for a working PNG device

exit.Verbose

Writes a message and unindents the following output

isEof.connection

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

getRaw.GString

Gets the unprocessed GString

getLabel.TextStatusBar

Gets the current value of a label

finalizeSession

Function to call for finalizing the R session

Java$writeInt

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

getParent

Gets the string of the parent specified by this pathname

less.Verbose

Creates a cloned instance with a higher threshold

extract.array

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

GString$getBuiltinTime

Gets the current time

removeDirectory

Removes a directory

GString$getBuiltinHostname

Gets the hostname of the system running R

GString$getBuiltinDate

Gets the current date

Arguments$getVerbose

Coerces to Verbose object

Arguments$getWritablePathname

Gets a writable pathname

Assert$inheritsFrom

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

GString$getBuiltinRhome

Gets the path where R is installed

mpager

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

Arguments$getIndices

Coerces to a integer vector and validates

hpaste

Concatenating vectors into human-readable strings

popTemporaryFile

Drops a temporary suffix from the temporary pathname

isOpen.character

Checks if there is an open connection to a file

mkdirs

Creates a directory including any necessary but nonexistent parent directories

lastModified

Gets the time when the file was last modified

Java$readByte

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

Arguments$getDoubles

Coerces to a double vector and validates

getBarString.ProgressBar

Gets the progress bar string to be displayed

Arguments$getReadablePathnames

Gets a readable pathname

gstring

Parses and evaluates a GString into a regular string

Arguments$getNumerics

Coerces to a numeric vector and validates

Arguments$getRegularExpression

Gets a valid regular expression pattern

intToBin

Converts an integer to a binary/octal/hexadecimal number

Arguments$getVector

Validates a vector

installPackages

Install R packages by name or URL

inAnyInterval.numeric

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

on.Verbose

Turn on the output

System$getUsername

Retrieves the name of the user running R

isVisible.NullVerbose

Checks if a certain verbose level will be shown or not

setTimestampFormat.Verbose

Sets the default timestamp format

isOn.Verbose

Checks if the output is on

Arguments$getFilename

Gets and validates a filename

hasUrlProtocol

Checks if one or several pathnames has a URL protocol

newline.TextStatusBar

Writes a newline

hasOption.Options

Checks if an option exists

isZero

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

isReplicated

Identifies all entries with replicated values

isDirectory

Checks if the file specification is a directory

increase.ProgressBar

Increases (steps) progress bar

more.Verbose

Creates a cloned instance with a lower threshold

isOn.NullVerbose

Checks if the output is on

pushState.Verbose

Pushes the current indentation state of the Verbose object

isPackageInstalled

Checks if a package is installed or not

header.Verbose

Writes a header

intervalsToSeq.matrix

Generates a vector of indices from a matrix of intervals

getRelativePath

Gets the relative pathname relative to a directory

readRdHelp

Reads one or more Rd help files in a certain format

getLoadedPathname.Settings

Gets the pathname of the settings file loaded

loadToEnv

Method to load objects to a new environment

reset.SmartComments

Resets a SmartComments compiler

Assert$isMatrix

Static method asserting that an object is a matrix

isDone.ProgressBar

Checks if progress bar is completed

listDirectory

Gets the file names in the directory

isAbsolutePath

Checks if this pathname is absolute

Checks if settings has been modified compared to whats on file

Assert$isScalar

Static method asserting that an object is a single value

isUrl

Checks if one or several pathnames is URLs

printf

C-style formatted output

newline.Verbose

Writes one or several empty lines

Arguments$getIntegers

Coerces to a integer vector and validates

saveAnywhere.Settings

Saves settings to file

Java$readUTF

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

readTableIndex

Reads a single column from file in table format

Assert$isVector

Static method asserting that an object is a vector

Arguments$getLogicals

Coerces to a logical vector and validates

System$parseDebian

Parses a string, file or connection for Debian formatted parameters

whichVector.logical

Identifies TRUE elements in a logical vector

getThreshold.Verbose

Gets current verbose threshold

setTicks.ProgressBar

Sets values for which ticks should be visible

setProgress.ProgressBar

Sets current progress

nbrOfOptions.Options

Gets the number of options set

isFile

Checks if the file specification is a file

seqToIntervals

Gets all contiguous intervals of a vector of indices

patchCode

Patches installed and loaded packages and more

nullfile

Gets the pathname or a connection to the NULL device on the current platform

setOption

Sets a option in R

print.Verbose

Prints objects if above threshold

mapToIntervals.numeric

Maps values to intervals

popBackupFile

Drops a backup suffix from the backup pathname

isSingle

Identifies all entries that exists exactly once

setLabel.TextStatusBar

Sets the value of a label

pushTemporaryFile

Appends a temporary suffix to the pathname

insert

Insert values to a vector at certain positions

renameFile

Renames a file (or a directory) atomically/safely

System$openBrowser

Opens an HTML document using the OS default HTML browser

Java$readShort

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

printWarnings.Verbose

Outputs any warnings recorded

readWindowsShellLink

Reads a Microsoft Windows Shortcut (.lnk file)

mout

Miscellaneous functions for outputting via message()

setDefaultLevel.Verbose

Sets the current default verbose level

queryRCmdCheck

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

summary.Verbose

Generates a summary of an object if above threshold

readBinFragments

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

validate.SmartComments

Validates the compiled lines

isVisible.Verbose

Checks if a certain verbose level will be shown or not

readWindowsShortcut

Reads a Microsoft Windows Shortcut (.lnk file)

str.Options

Prints the structure of the options

readTable

Reads a file in table format

writeDataFrame.data.frame

Writes a data.frame to tabular text file

withTimeout

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

print.GString

Prints the processed GString

use

Attaches or loads packages

loadAnywhere.Settings

Loads settings from file

popMessage.TextStatusBar

Adds a message above the status bar

reset.VComments

Resets a VComments compiler

off.Verbose

Turn off the output

onGarbageCollect

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

resample

Sample values from a set of elements

touchFile

Updates the timestamp of a file

setStepLength.ProgressBar

Sets default step length

setMaxValue.ProgressBar

Sets maximum value

loadObject

Method to load object from a file or a connection

setThreshold.Verbose

Sets verbose threshold

Java$writeShort

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

reassignInPackage

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

reset.ProgressBar

Reset progress bar

promptAndSave.Settings

Prompt user to save modified settings

setValue.ProgressBar

Sets current value

swapXY.density

Swaps x and y coordinates of a density object

subplots

Creates a grid of subplots

moveInSearchPath

Moves a environment in the search path to another position

updateLabels.TextStatusBar

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

withRepos

Evaluate an R expression with repositories set temporarily

setLabels.TextStatusBar

Sets new values of given labels

withCapture

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

Java$writeUTF

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

unwrap.array

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

writeBinFragments

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

str.Verbose

Prints the structure of an object if above threshold

pushBackupFile

Appends a backup suffix to the pathname

writeRaw.Verbose

Writes objects if above threshold

toCamelCase

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

stext

Writes text in the margin along the sides of a plot

systemR

Launches another R process from within R

splitByPattern

Splits a single character string by pattern

useRepos

Sets package repositories

timestampOn.Verbose

Turns automatic timestamping on and off

saveObject

Saves an object to a file or a connection

shell.exec2

Open a file or URL using Windows File Associations

withSeed

Evaluate an R expression with a temporarily set random set

Java$writeByte

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

validate.VComments

Validates the compiled lines

seqToHumanReadable

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

tmpfile

Creates a temporary file with content

withLocale

Evaluate an R expression with locale set temporarily

toUrl

Converts a pathname into a URL

withOptions

Evaluate an R expression with options set temporarily

writeRaw.MultiVerbose

Writes to each of the Verbose objects

Parses one single smart comment

setOption.Options

Sets an option

printf.Verbose

Formats and prints object if above threshold

Java$readInt

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

sourceDirectory

Sources files recursively to either local or global environment

sourceTo

Parses and evaluates code from a file or a connection

update.ProgressBar

Updates progress bar

update.FileProgressBar

Updates file progress bar

wrap.array

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

Non-documented objects

.Last.lib

Undo changed done by this package when detached

Arguments

Static class to validate and process arguments

FileProgressBar

A progress bar that sets the size of a file accordingly

Assert

The Assert class

GString

Character string with advanced substitutions

NullVerbose

A Verbose class ignoring everything

Java

Static class for Java related methods