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R.utils (version 1.28.4)
Various programming utilities
Description
This package provides utility methods useful when programming and developing R packages.
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Install
install.packages('R.utils')
Monthly Downloads
208,068
Version
1.28.4
License
LGPL (>= 2.1)
Maintainer
Henrik Bengtsson
Last Published
November 21st, 2013
Functions in R.utils (1.28.4)
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GString$getBuiltinOs
Gets the operating system of the running machine
isDirectory
Checks if the file specification is a directory
Java$readInt
Reads a Java formatted int (32 bits) from a connection
Java
Static class for Java related methods
str.Verbose
Prints the structure of an object if above threshold
attachLocally.list
Assigns an objects elements locally
validate.SmartComments
Validates the compiled lines
SmartComments
Abstract class SmartComments
Java$asInt
Converts an numeric to a Java integer
detachPackage
Detaches a packages by name
GString$getBuiltinHostname
Gets the hostname of the system running R
fileAccess
Checks the permission of a file or a directory
System$findGhostscript
Searches for a Ghostview executable on the current system
GString$getBuiltinUsername
Gets the username of the user running R
Verbose
Class to writing verbose messages to a connection or file
evalWithTimeout
Evaluate an R expression and interrupts it if it takes too long
getThreshold.Verbose
Gets current verbose threshold
GString$getBuiltinTime
Gets the current time
Arguments$getVerbose
Coerces to Verbose object
TextStatusBar
A status bar at the R prompt that can be updated
less.Verbose
Creates a cloned instance with a higher threshold
System$getHostname
Retrieves the computer name of the current host
as.character.binmode
Converts a binary/octal/hexadecimal number into a string
isAbsolutePath
Checks if this pathname is absolute
colClasses
Creates a vector of column classes used for tabular reading
hasOption.Options
Checks if an option exists
getRelativePath
Gets the relative pathname relative to a directory
isZero
Checks if a value is (close to) zero or not
isSingle
Identifies all entries that exists exactly ones
Java$asByte
Converts a numeric to a Java byte
setOption.Options
Sets an option
hasUrlProtocol
Checks if one or several pathnames has a URL protocol
evalCapture
Evaluates an expression and captures the code and/or the output
timestamp.Verbose
Writes a timestamp
onSessionExit
Registers a function to be called when the R session finishes
cmdArgs
Simple access to parsed command-line arguments
Options
The Options class
as.character.Verbose
Returns a character string version of this object
countLines
Counts the number of lines in a text file
env
Creates a new environment, evaluates an expression therein, and returns the environment
callHooks
Call hook functions by hook name
writeDataFrame.data.frame
Writes a data.frame to tabular text file
readBinFragments
Reads binary data from disjoint sections of a connection or a file
commandArgs
Extract command-line arguments
copyFile
Copies a file safely
displayCode
Displays the contents of a text file with line numbers and more
equals.Verbose
Checks if this object is equal to another
Settings$findSettings
Searches for the settings file in one or several directories
equals.Options
Checks if this object is equal to another Options object
extract.array
Extract a subset of an array, matrix or a vector with unknown dimensions
Java$asShort
Converts a numeric to a Java short
findFiles
Finds one or several files in multiple directories
as.list.MultiVerbose
Gets a list of Verbose objects
whichVector.logical
Identifies TRUE elements in a logical vector
getOption.Options
Gets an option
GString$getBuiltinPid
Gets the process id of the current R session
Java$readShort
Reads a Java formatted short (16 bits) from a connection
Assert$inherits
Static method asserting that an object inherits from of a certain class
Assert
The Assert class
increase.ProgressBar
Increases (steps) progress bar
as.double.Verbose
Gets a numeric value of this object
evaluate.Verbose
Evaluates a function and prints its results if above threshold
filePath
Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
Arguments$getFilename
Gets and validates a filename
Java$readUTF
Reads a Java (UTF-8) formatted string from a connection
timestampOn.Verbose
Turns automatic timestamping on and off
getLeaves.Options
Gets all (non-list) options in a flat list
popTemporaryFile
Drops a temporary suffix from the temporary pathname
getBarString.ProgressBar
Gets the progress bar string to be displayed
System$currentTimeMillis
Get the current time in milliseconds
TimeoutException
TimeoutException represents timeout errors
GString
Character string with advanced substitutions
promptAndSave.Settings
Prompt user to save modified settings
findSourceTraceback
Finds all 'srcfile' objects generated by source() in all call frames
getLoadedPathname.Settings
Gets the pathname of the settings file loaded
pushBackupFile
Appends a backup suffix to the pathname
isFile
Checks if the file specification is a file
System
Static class to query information about the system
GString$getBuiltinRversion
Gets the current R version
isOpen.character
Checks if there is an open connection to a file
as.character.GString
Gets the processed character string
System$getUsername
Retrieves the name of the user running R
isPackageInstalled
Checks if a package is installed or not
isOn.Verbose
Checks if the output is on
Assert$isMatrix
Static method asserting thatan object is a matrix
Arguments
Static class to validate and process arguments
readTable
Reads a file in table format
isPackageLoaded
Checks if a package is loaded or not
R.utils-package
Package R.utils
LComments
The LComments class
createFileAtomically
Creates a file atomically
popMessage.TextStatusBar
Adds a message above the status bar
writeRaw.MultiVerbose
Writes to each of the Verbose objects
insert
Insert values to a vector at certain positions
loadObject
Method to load object from a file or a connection
addFinalizerToLast
Modifies .Last() to call 'finalizeSession()
ProgressBar
Provides text based counting progress bar
Assert$isScalar
Static method asserting thatan object is a single value
reset.VComments
Resets a VComments compiler
pushState.Verbose
Pushes the current indentation state of the Verbose object
createLink
Creates a link to a file or a directory
as.logical.Verbose
Gets a logical value of this object
Arguments$getIndices
Coerces to a integer vector and validates
loadAnywhere.Settings
Loads settings from file
as.list.Options
Gets a list representation of the options
setLabels.TextStatusBar
Sets new values of given labels
isUrl
Checks if one or several pathnames is URLs
mkdirs
Creates a directory including any necessary but nonexistent parent directories
finalizeSession
Function to call for finalizing the R session
listDirectory
Gets the file names in the directory
getAbsolutePath
Gets the absolute pathname string
nbrOfOptions.Options
Gets the number of options set
setMaxValue.ProgressBar
Sets maximum value
Arguments$getReadablePathnames
Gets a readable pathname
readTableIndex
Reads a single column from file in table format
patchCode
Patches installed and loaded packages and more
mergeIntervals.numeric
Merges intervals
convertComment.SmartComments
Converts a single smart comment to R code
setOption
Sets a option in R
doCall
Executes a function call with option to ignore unused arguments
setTicks.ProgressBar
Sets values for which ticks should be visible
isVisible.Verbose
Checks if a certain verbose level will be shown or not
seqToIntervals
Gets all contigous intervals of a vector of indices
Arguments$getRegularExpression
Gets a valid regular expression pattern
dataFrame
Allocates a data frame with given column classes
use
Attaches or loads packages
Arguments$getWritablePathname
Gets a writable pathname
gzip
Gzip/Gunzip a file
installPackages
Install R packages by name or URL
resample
Sample values from a set of elements
flush.TextStatusBar
Flushes the output
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
Java$writeUTF
Writes a string to a connection in Java format (UTF-8)
readWindowsShellLink
Reads a Microsoft Windows Shortcut (.lnk file)
removeDirectory
Removes a directory
off.Verbose
Turn off the output
setTimestampFormat.Verbose
Sets the default timestamp format
reset.SmartComments
Resets a SmartComments compiler
header.Verbose
Writes a header
toCamelCase
Converts a string of words into a merged camel-cased word
FileProgressBar
A progress bar that sets the size of a file accordingly
moveInSearchPath
Moves a environment in the search path to another position
intToBin
Converts an integer to a binary/octal/hexadecimal number
isDone.ProgressBar
Checks if progress bar is completed
parse.GString
Parses a GString
MultiVerbose
A Verbose class ignoring everything
setDefaultLevel.Verbose
Sets the current default verbose level
as.character.Options
Returns a character string version of this object
Assert$check
Static method asserting that a generic condition is true
isModified.Settings
Checks if settings has been modified compared to whats on file
toUrl
Converts a pathname into a URL
createWindowsShortcut
Creates a Microsoft Windows Shortcut (.lnk file)
Arguments$getEnvironment
Gets an existing environment
getMessage.TimeoutException
Gets the message of the exception
newline.TextStatusBar
Writes a newline
lastModified
Gets the time when the file was last modified
Java$asLong
Converts a numeric to a Java long
arrayIndex
Converts vector indices to array indices
capture.Verbose
Captures output of a function
printf
C-style formatted output
cat.Verbose
Concatenates and prints objects if above threshold
GString$getBuiltinRhome
Gets the path where R is installed
compile.SmartComments
Preprocess a vector of code lines
reset.ProgressBar
Reset progress bar
cleanup.FileProgressBar
Removes the progress file for a file progress bar
Arguments$getIntegers
Coerces to a integer vector and validates
enter.Verbose
Writes a message and indents the following output
intervalsToSeq.matrix
Generates a vector of indices from a matrix of intervals
GString$getBuiltinDatetime
Gets the current date and time
stext
Writes text in the margin along the sides of a plot
Arguments$getVector
Validates a vector
swapXY.density
Swaps x and y coordinates of a density object
writeRaw.NullVerbose
All output methods
update.FileProgressBar
Updates file progress bar
touchFile
Updates the timestamp of a file
Non-documented objects
Non-documented objects
convertComment.VComments
Converts a verbose comment to R code
gcat
Parses, evaluates and outputs a GString
Arguments$getLogicals
Coerces to a logical vector and validates
evaluate.GString
Parses and evaluates a GString
System$findGraphicsDevice
Searches for a working PNG device
Arguments$getInstanceOf
Gets an instance of the object that is of a particular class
setStepLength.ProgressBar
Sets default step length
Arguments$getReadablePathname
Gets a readable pathname
writeRaw.Verbose
Writes objects if above threshold
System$parseDebian
Parses a string, file or connection for Debian formatted parameters
getTimestampFormat.Verbose
Gets the default timestamp format
mapToIntervals.numeric
Maps values to intervals
inAnyInterval.numeric
Checks if a set of values are inside one or more intervals
Settings
Class for applicational settings
setProgress.ProgressBar
Sets current progress
sourceDirectory
Sources files recursively to either local or global environment
System$openBrowser
Opens an HTML document using the OS default HTML browser
str.Options
Prints the structure of the options
dimNA< -
Sets the dimension of an object with the option to infer one dimension autmatically
getLabel.TextStatusBar
Gets the current value of a label
updateLabels.TextStatusBar
Sets the new values of given labels and updates the status bar
systemR
Launches another R process from within R
subplots
Creates a grid of subplots
eget
Gets a variable by name
newline.Verbose
Writes one or several empty lines
Java$readByte
Reads a Java formatted byte (8 bits) from a connection
getRaw.GString
Gets the unprocessed GString
names.Options
Gets the full pathname of all (non-list) options
isEof.connection
Checks if the current file position for a connection is at the 'End of File'
tempvar
Gets a unique non-existing temporary variable name
setLabel.TextStatusBar
Sets the value of a label
print.GString
Prints the processed GString
seqToHumanReadable
Gets a short human readable string representation of an vector of indices
resetWarnings
Resets recorded warnings
update.ProgressBar
Updates progress bar
saveObject
Saves an object to a file or a connection
setValue.ProgressBar
Sets current value
parse.SmartComments
Parses one single smart comment
popBackupFile
Drops a backup suffix from the backup pathname
pushTemporaryFile
Appends a temporary suffix to the pathname
saveAnywhere.Settings
Saves settings to file
readRdHelp
Reads one or more Rd help files in a certain format
splitByPattern
Splits a single character string by pattern
ruler.Verbose
Writes a ruler
update.TextStatusBar
Updates the status bar (visually)
Java$writeInt
Writes a integer (32 bits) to a connection in Java format
Java$writeByte
Writes a byte (8 bits) to a connection in Java format
capitalize
Capitalizes/decapitalizes each character string in a vector
callHooks.function
Call hook functions
exit.Verbose
Writes a message and unindents the following output
GString$getBuiltinDate
Gets the current date
Arguments$getDoubles
Coerces to a double vector and validates
reassignInPackage
Re-assigns a new value to an existing object in a loaded package
getParent
Gets the string of the parent specified by this pathname
draw.density
Draws a density curve
downloadFile.character
Downloads a file
loadToEnv
Method to load objects to a new environment
sourceTo
Parses and evaluates code from a file or a connection
VComments
The VComments class
bunzip2
Bunzip a file
NullVerbose
A Verbose class ignoring everything
Arguments$getCharacters
Coerces to a character vector and validates
as.character.ProgressBar
Gets a string description of the progress bar
Arguments$getNumerics
Coerces to a numeric vector and validates
hpaste
Concatenating vectors into human-readable strings
validate.VComments
Validates the compiled lines
GString$getVariableValue
Gets a variable value given a name and attributes
Assert$isVector
Static method asserting thatan object is a vector
printf.Verbose
Formats and prints object if above threshold
queryRCmdCheck
Gets the on R CMD check if the current R session was launched by it
summary.Verbose
Generates a summary of an object if above threshold
onGarbageCollect
Registers a function to be called when the R garbage collector is (detected to be) running
on.Verbose
Turn on the output
isReplicated
Identifies all entries with replicated values
setThreshold.Verbose
Sets verbose threshold
wrap.array
Reshape an array or a matrix by permuting and/or joining dimensions
renameFile
Renames a file safely
warnings.Verbose
Outputs any warnings recorded
Java$writeShort
Writes a short (16 bits) to a connection in Java format
readWindowsShortcut
Reads a Microsoft Windows Shortcut (.lnk file)
isOn.NullVerbose
Checks if the output is on
isVisible.NullVerbose
Checks if a certain verbose level will be shown or not
print.Verbose
Prints objects if above threshold
copyDirectory
Copies a directory
more.Verbose
Creates a cloned instance with a lower threshold