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R.utils (version 1.26.0)
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
224,871
Version
1.26.0
License
LGPL (>= 2.1)
Maintainer
Henrik Bengtsson
Last Published
July 28th, 2013
Functions in R.utils (1.26.0)
Search functions
evalCapture
Evaluates an expression and captures the code and/or the output
loadToEnv
Method to load objects to a new environment
MultiVerbose
A Verbose class ignoring everything
copyDirectory
Copies a directory
Verbose
Class to writing verbose messages to a connection or file
cat.Verbose
Concatenates and prints objects if above threshold
NullVerbose
A Verbose class ignoring everything
addFinalizerToLast
Modifies .Last() to call 'finalizeSession()
Java
Static class for Java related methods
env
Creates a new environment, evaluates an expression therein, and returns the environment
evaluate.Verbose
Evaluates a function and prints its results if above threshold
FileProgressBar
A progress bar that sets the size of a file accordingly
mergeIntervals.numeric
Merges intervals
Java$asShort
Converts a numeric to a Java short
System$openBrowser
Opens an HTML document using the OS default HTML browser
compile.SmartComments
Preprocess a vector of code lines
resetWarnings
Resets recorded warnings
detachPackage
Detaches a packages by name
as.character.Options
Returns a character string version of this object
mapToIntervals.numeric
Maps values to intervals
as.character.GString
Gets the processed character string
Settings
Class for applicational settings
arrayIndex
Converts vector indices to array indices
callHooks.function
Call hook functions
Arguments$getRegularExpression
Gets a valid regular expression pattern
as.double.Verbose
Gets a numeric value of this object
Java$asByte
Converts a numeric to a Java byte
intervalsToSeq.matrix
Generates a vector of indices from a matrix of intervals
resample
Sample values from a set of elements
getAbsolutePath
Gets the absolute pathname string
hasOption.Options
Checks if an option exists
gstring
Parses and evaluates a GString into a regular string
VComments
The VComments class
GString$getBuiltinRhome
Gets the path where R is installed
as.list.Options
Gets a list representation of the options
draw.density
Draws a density curve
isDirectory
Checks if the file specification is a directory
Assert
The Assert class
evalWithTimeout
Evaluate an R expression and interrupts it if it takes too long
Non-documented objects
Non-documented objects
SmartComments
Abstract class SmartComments
R.utils-package
Package R.utils
inAnyInterval.numeric
Checks if a set of values are inside one or more intervals
as.character.ProgressBar
Gets a string description of the progress bar
Arguments$getReadablePathname
Gets a readable pathname
cleanup.FileProgressBar
Removes the progress file for a file progress bar
Arguments$getEnvironment
Gets an existing environment
parse.GString
Parses a GString
System$currentTimeMillis
Get the current time in milliseconds
callHooks
Call hook functions by hook name
onSessionExit
Registers a function to be called when the R session finishes
listDirectory
Gets the file names in the directory
Arguments$getVerbose
Coerces to Verbose object
System$getUsername
Retrieves the name of the user running R
copyFile
Copies a file safely
GString$getBuiltinOs
Gets the operating system of the running machine
isOn.Verbose
Checks if the output is on
System$findGraphicsDevice
Searches for a working PNG device
convertComment.SmartComments
Converts a single smart comment to R code
capture.Verbose
Captures output of a function
getOption.Options
Gets an option
createFileAtomically
Creates a file atomically
System$findGhostscript
Searches for a Ghostview executable on the current system
TextStatusBar
A status bar at the R prompt that can be updated
Settings$findSettings
Searches for the settings file in one or several directories
GString$getBuiltinTime
Gets the current time
System$parseDebian
Parses a string, file or connection for Debian formatted parameters
capitalize
Capitalizes/decapitalizes each character string in a vector
gcat
Parses, evaluates and outputs a GString
isEof.connection
Checks if the current file position for a connection is at the 'End of File'
Arguments$getReadablePathnames
Gets a readable pathname
moveInSearchPath
Moves a environment in the search path to another position
commandArgs
Extract command-line arguments
colClasses
Creates a vector of column classes used for tabular reading
setLabel.TextStatusBar
Sets the value of a label
setValue.ProgressBar
Sets current value
systemR
Launches another R process from within R
displayCode
Displays the contents of a text file with line numbers and more
hasUrlProtocol
Checks if one or several pathnames has a URL protocol
GString$getBuiltinHostname
Gets the hostname of the system running R
Arguments$getIndices
Coerces to a integer vector and validates
Arguments$getFilename
Gets and validates a filename
convertComment.VComments
Converts a verbose comment to R code
isZero
Checks if a value is (close to) zero or not
isOn.NullVerbose
Checks if the output is on
GString$getBuiltinPid
Gets the process id of the current R session
str.Options
Prints the structure of the options
Arguments$getInstanceOf
Gets an instance of the object that is of a particular class
enter.Verbose
Writes a message and indents the following output
GString$getBuiltinUsername
Gets the username of the user running R
getRelativePath
Gets the relative pathname relative to a directory
getRaw.GString
Gets the unprocessed GString
as.character.Verbose
Returns a character string version of this object
Arguments
Static class to validate and process arguments
createLink
Creates a link to a file or a directory
isModified.Settings
Checks if settings has been modified compared to whats on file
getBarString.ProgressBar
Gets the progress bar string to be displayed
getParent
Gets the string of the parent specified by this pathname
hpaste
Concatenating vectors into human-readable strings
GString$getBuiltinDatetime
Gets the current date and time
isDone.ProgressBar
Checks if progress bar is completed
isAbsolutePath
Checks if this pathname is absolute
mkdirs
Creates a directory including any necessary but nonexistent parent directories
isPackageLoaded
Checks if a package is loaded or not
saveObject
Saves an object to a file or a connection
gzip
Gzip/Gunzip a file
setStepLength.ProgressBar
Sets default step length
Java$writeInt
Writes a integer (32 bits) to a connection in Java format
dimNA< -
Sets the dimension of an object with the option to infer one dimension autmatically
finalizeSession
Function to call for finalizing the R session
setThreshold.Verbose
Sets verbose threshold
Assert$isMatrix
Static method asserting thatan object is a matrix
doCall
Executes a function call with option to ignore unused arguments
Arguments$getIntegers
Coerces to a integer vector and validates
nbrOfOptions.Options
Gets the number of options set
whichVector.logical
Identifies TRUE elements in a logical vector
as.logical.Verbose
Gets a logical value of this object
Assert$isScalar
Static method asserting thatan object is a single value
Arguments$getLogicals
Coerces to a logical vector and validates
writeDataFrame.data.frame
Writes a data.frame to tabular text file
increase.ProgressBar
Increases (steps) progress bar
pushBackupFile
Appends a backup suffix to the pathname
printf
C-style formatted output
downloadFile.character
Downloads a file
findFiles
Finds one or several files in multiple directories
newline.TextStatusBar
Writes a newline
getMessage.TimeoutException
Gets the message of the exception
readWindowsShortcut
Reads a Microsoft Windows Shortcut (.lnk file)
popMessage.TextStatusBar
Adds a message above the status bar
isReplicated
Identifies all entries with replicated values
GString$getVariableValue
Gets a variable value given a name and attributes
getLeaves.Options
Gets all (non-list) options in a flat list
readTable
Reads a file in table format
filePath
Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
writeRaw.MultiVerbose
Writes to each of the Verbose objects
Java$writeUTF
Writes a string to a connection in Java format (UTF-8)
intToBin
Converts an integer to a binary/octal/hexadecimal number
on.Verbose
Turn on the output
createWindowsShortcut
Creates a Microsoft Windows Shortcut (.lnk file)
GString$getBuiltinDate
Gets the current date
setOption.Options
Sets an option
removeDirectory
Removes a directory
getThreshold.Verbose
Gets current verbose threshold
touchFile
Updates the timestamp of a file
update.TextStatusBar
Updates the status bar (visually)
insert
Insert values to a vector at certain positions
Arguments$getWritablePathname
Gets a writable pathname
cmdArgs
Simple access to parsed command-line arguments
popTemporaryFile
Drops a temporary suffix from the temporary pathname
promptAndSave.Settings
Prompt user to save modified settings
readWindowsShellLink
Reads a Microsoft Windows Shortcut (.lnk file)
reassignInPackage
Re-assigns a new value to an existing object in a loaded package
more.Verbose
Creates a cloned instance with a lower threshold
reset.ProgressBar
Reset progress bar
newline.Verbose
Writes one or several empty lines
print.GString
Prints the processed GString
Java$readByte
Reads a Java formatted byte (8 bits) from a connection
setDefaultLevel.Verbose
Sets the current default verbose level
isFile
Checks if the file specification is a file
popBackupFile
Drops a backup suffix from the backup pathname
patchCode
Patches installed and loaded packages and more
pushTemporaryFile
Appends a temporary suffix to the pathname
isVisible.NullVerbose
Checks if a certain verbose level will be shown or not
getTimestampFormat.Verbose
Gets the default timestamp format
Java$readShort
Reads a Java formatted short (16 bits) from a connection
wrap.array
Reshape an array or a matrix by permuting and/or joining dimensions
lastModified
Gets the time when the file was last modified
Java$asLong
Converts a numeric to a Java long
setTicks.ProgressBar
Sets values for which ticks should be visible
readBinFragments
Reads binary data from disjoint sections of a connection or a file
onGarbageCollect
Registers a function to be called when the R garbage collector is (detected to be) running
renameFile
Renames a file safely
sourceDirectory
Sources files recursively to either local or global environment
isVisible.Verbose
Checks if a certain verbose level will be shown or not
Java$readUTF
Reads a Java (UTF-8) formatted string from a connection
Java$readInt
Reads a Java formatted int (32 bits) from a connection
str.Verbose
Prints the structure of an object if above threshold
writeBinFragments
Writes binary data to disjoint sections of a connection or a file
equals.Verbose
Checks if this object is equal to another
isOpen.character
Checks if there is an open connection to a file
setTimestampFormat.Verbose
Sets the default timestamp format
getLabel.TextStatusBar
Gets the current value of a label
swapXY.density
Swaps x and y coordinates of a density object
summary.Verbose
Generates a summary of an object if above threshold
reset.VComments
Resets a VComments compiler
exit.Verbose
Writes a message and unindents the following output
update.ProgressBar
Updates progress bar
seqToIntervals
Gets all contigous intervals of a vector of indices
names.Options
Gets the full pathname of all (non-list) options
findSourceTraceback
Finds all 'srcfile' objects generated by source() in all call frames
setMaxValue.ProgressBar
Sets maximum value
toCamelCase
Converts a string of words into a merged camel-cased word
Arguments$getNumerics
Coerces to a numeric vector and validates
parse.SmartComments
Parses one single smart comment
Java$writeShort
Writes a short (16 bits) to a connection in Java format
timestampOn.Verbose
Turns automatic timestamping on and off
queryRCmdCheck
Gets the on R CMD check if the current R session was launched by it
splitByPattern
Splits a single character string by pattern
reset.SmartComments
Resets a SmartComments compiler
Java$writeByte
Writes a byte (8 bits) to a connection in Java format
unwrap.array
Unwrap an array, matrix or a vector to an array of more dimensions
validate.VComments
Validates the compiled lines
stext
Writes text in the margin along the sides of a plot
isPackageInstalled
Checks if a package is installed or not
setProgress.ProgressBar
Sets current progress
updateLabels.TextStatusBar
Sets the new values of given labels and updates the status bar
setLabels.TextStatusBar
Sets new values of given labels
warnings.Verbose
Outputs any warnings recorded
Arguments$getVector
Validates a vector
Assert$isVector
Static method asserting thatan object is a vector
validate.SmartComments
Validates the compiled lines
Assert$check
Static method asserting that a generic condition is true
equals.Options
Checks if this object is equal to another Options object
writeRaw.Verbose
Writes objects if above threshold
isSingle
Identifies all entries that exists exactly ones
toUrl
Converts a pathname into a URL
TimeoutException
TimeoutException represents timeout errors
print.Verbose
Prints objects if above threshold
writeRaw.NullVerbose
All output methods
printf.Verbose
Formats and prints object if above threshold
update.FileProgressBar
Updates file progress bar
setOption
Sets a option in R
less.Verbose
Creates a cloned instance with a higher threshold
loadObject
Method to load object from a file or a connection
ProgressBar
Provides text based counting progress bar
attachLocally.list
Assigns an objects elements locally
fileAccess
Checks the permission of a file or a directory
Arguments$getCharacters
Coerces to a character vector and validates
Assert$inherits
Static method asserting that an object inherits from of a certain class
loadAnywhere.Settings
Loads settings from file
saveAnywhere.Settings
Saves settings to file
seqToHumanReadable
Gets a short human readable string representation of an vector of indices
timestamp.Verbose
Writes a timestamp
subplots
Creates a grid of subplots
System$getHostname
Retrieves the computer name of the current host
eget
Gets a variable by name
Options
The Options class
as.list.MultiVerbose
Gets a list of Verbose objects
Java$asInt
Converts an numeric to a Java integer
LComments
The LComments class
bunzip2
Bunzip a file
countLines
Counts the number of lines in a text file
evaluate.GString
Parses and evaluates a GString
Arguments$getDoubles
Coerces to a double vector and validates
header.Verbose
Writes a header
off.Verbose
Turn off the output
ruler.Verbose
Writes a ruler
readTableIndex
Reads a single column from file in table format
as.character.binmode
Converts a binary/octal/hexadecimal number into a string
System
Static class to query information about the system
dataFrame
Allocates a data frame with given column classes
extract.array
Extract a subset of an array, matrix or a vector with unknown dimensions
flush.TextStatusBar
Flushes the output
GString$getBuiltinRversion
Gets the current R version
pushState.Verbose
Pushes the current indentation state of the Verbose object
isUrl
Checks if one or several pathnames is URLs
readRdHelp
Reads one or more Rd help files in a certain format
sourceTo
Parses and evaluates code from a file or a connection
tempvar
Gets a unique non-existing temporary variable name
getLoadedPathname.Settings
Gets the pathname of the settings file loaded