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R.utils (version 1.4.3)
Various programming utilities
Description
This package provides utility classes and methods useful when programming in R and developing R packages.
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Install
install.packages('R.utils')
Monthly Downloads
224,871
Version
1.4.3
License
LGPL (>= 2.1)
Maintainer
Henrik Bengtsson
Last Published
July 3rd, 2010
Functions in R.utils (1.4.3)
Search functions
arrayIndex
Converts vector indices to array indices
FileProgressBar
A progress bar that sets the size of a file accordingly
MultiVerbose
A Verbose class ignoring everything
Options
The Options class
capture.Verbose
Captures output of a function
devOff
Closes a device
asShort.Java
Converts a numeric to a Java short
as.list.Options
Gets a list representation of the options
commandArgs
Extract Command Line Arguments
equals.Options
Checks if this object is equal to another Options object
VComments
The VComments class
TextStatusBar
A status bar at the R prompt that can be updated
getReadablePathname.Arguments
Gets a readable pathname
LComments
The LComments class
getBarString.ProgressBar
Gets the progress bar string to be displayed
getLabel.TextStatusBar
Gets the current value of a label
dimNA< -
Sets the dimension of an object with the option to infer one dimension autmatically
fileAccess
Checks the permission of a file or a directory
getEnvironment.Arguments
Gets an existing environment
equals.Verbose
Checks if this object is equal to another
compile.SmartComments
Preprocess a vector of code lines
getAbsolutePath
Gets the absolute pathname string
finalizeSession
Function to call for finalizing the R session
as.character.Options
Returns a character string version of this object
Java
Static class for Java related methods
Non-documented objects
Non-documented objects
findSettings.Settings
Searches for the settings file in one or several directories
getBuiltinUsername.GString
Gets the username of the user running R
displayCode
Displays the contents of a text file with line numbers and more
getUsername.System
Retrieves the name of the user running R
R.utils-package
Package R.utils
extract.array
Extract a subset of an array, matrix or a vector with unknown dimensions
currentTimeMillis.System
Get the current time in milliseconds
isScalar.Assert
Static method asserting thatan object is a single value
getVariableValue.GString
Gets a variable value given a name and attributes
convertComment.SmartComments
Converts a single smart comment to R code
cat.Verbose
Concatenates and prints objects if above threshold
as.character.ProgressBar
Gets a string description of the progress bar
getBuiltinDate.GString
Gets the current date
devSet
Activates a device
addFinalizerToLast
Modifies .Last() to call 'finalizeSession()
evaluate.Verbose
Evaluates a function and prints its results if above threshold
findSourceTraceback
Finds all 'srcfile' objects generated by source() in all call frames
getReadablePathnames.Arguments
Gets a readable pathname
increase.ProgressBar
Increases (steps) progress bar
Verbose
Class to writing verbose messages to a connection or file
isPackageLoaded
Checks if a package is loaded or not
isDirectory
Checks if the file specification is a directory
isDone.ProgressBar
Checks if progress bar is completed
callHooks
Call hook functions by hook name
countLines
Counts the number of lines in a text file
getLogicals.Arguments
Coerces to a logical vector and validates
hasUrlProtocol
Checks if one or several pathnames has a URL protocol
as.double.Verbose
Gets a numeric value of this object
getCharacters.Arguments
Coerces to a character vector and validates
enter.Verbose
Writes a message and indents the following output
downloadFile.character
Downloads a file
as.logical.Verbose
Gets a logical value of this object
onSessionExit
Registers a function to be called when the R session finishes
getIndices.Arguments
Coerces to a integer vector and validates
getRegularExpression.Arguments
Gets a valid regular expression pattern
getBuiltinRhome.GString
Gets the path where R is installed
devGetLabel
Gets the label of a device
createWindowsShortcut
Creates a Microsoft Windows Shortcut (.lnk file)
print.GString
Prints the processed GString
newline.TextStatusBar
Writes a newline
isVisible.Verbose
Checks if a certain verbose level will be shown or not
loadObject
Method to load object from a file or a connection
getHostname.System
Retrieves the computer name of the current host
isUrl
Checks if one or several pathnames is URLs
eps
EPS graphics device
timestamp.Verbose
Writes a timestamp
moveInSearchPath
Moves a environment in the search path to another position
promptAndSave.Settings
Prompt user to save modified settings
isModified.Settings
Checks if settings has been modified compared to whats on file
setLabels.TextStatusBar
Sets new values of given labels
loadToEnv
Method to load objects to a new environment
as.character.GString
Gets the processed character string
resetWarnings
Resets recorded warnings
dataFrame
Allocates a data frame with given column classes
exit.Verbose
Writes a message and unindents the following output
filePath
Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
reassignInPackage
Re-assigns a new value to an existing object in a loaded package
findGhostscript.System
Searches for the ghostview binary on the current system
devSetLabel
Sets the label of a device
readBinFragments
Reads binary data from disjoint sections of a connection or a file
getBuiltinPid.GString
Gets the process id of the current R session
getNumerics.Arguments
Coerces to a numeric vector and validates
createLink
Creates a link to a file or a directory
getBuiltinHostname.GString
Gets the hostname of the system running R
setValue.ProgressBar
Sets current value
devDone
Closes an on-screen (interactive) device
SmartComments
Abstract class SmartComments
asLong.Java
Converts a numeric to a Java long
attachLocally.list
Assigns an objects elements locally
callHooks.function
Call hook functions
readShort.Java
Reads a Java formatted short (16 bits) from a connection
isMatrix.Assert
Static method asserting thatan object is a matrix
readUTF.Java
Reads a Java (UTF-8) formatted string from a connection
isAbsolutePath
Checks if this pathname is absolute
loadAnywhere.Settings
Loads settings from file
getVerbose.Arguments
Coerces to Verbose object
getParent
Gets the string of the parent specified by this pathname
parse.GString
Parses a GString
mkdirs
Creates a directory including any necessary but nonexistent parent directories
writeShort.Java
Writes a short (16 bits) to a connection in Java format
isOn.NullVerbose
Checks if the output is on
isOpen.character
Checks if there is an open connection to a file
validate.VComments
Validates the compiled lines
lastModified
Gets the time when the file was last modified
writeByte.Java
Writes a byte (8 bits) to a connection in Java format
nbrOfOptions.Options
Gets the number of options set
readWindowsShortcut
Reads a Microsoft Windows Shortcut (.lnk file)
printf
C-style formatted output
setLabel.TextStatusBar
Sets the value of a label
printf.Verbose
Formats and prints object if above threshold
getTimestampFormat.Verbose
Gets the default timestamp format
mapToIntervals.numeric
Maps values to intervals
capitalize
Capitalizes/decapitalizes each character string in a vector
readByte.Java
Reads a Java formatted byte (8 bits) from a connection
update.TextStatusBar
Updates the status bar (visually)
toCamelCase
Converts a string of words into a merged camel-cased word
seqToIntervals
Gets all contigous intervals of a vector of indices
reset.VComments
Resets a VComments compiler
wrap.array
Reshape an array or a matrix by permuting and/or joining dimensions
hasOption.Options
Checks if an option exists
parse.SmartComments
Parses one single smart comment
print.Verbose
Prints objects if above threshold
setOption.Options
Sets an option
setTicks.ProgressBar
Sets values for which ticks should be visible
on.Verbose
Turn on the output
setDefaultLevel.Verbose
Sets the current default verbose level
writeUTF.Java
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
more.Verbose
Creates a cloned instance with a lower threshold
setStepLength.ProgressBar
Sets default step length
relibrary
Reloads a package
jpeg2
A JPEG device for Bitmap Files via GhostScript
str.Options
Prints the structure of the options
getWritablePathname.Arguments
Gets a writable pathname
reset.SmartComments
Resets a SmartComments compiler
getIntegers.Arguments
Coerces to a integer vector and validates
getRelativePath
Gets the relative pathname relative to a directory
setMaxValue.ProgressBar
Sets maximum value
getVector.Arguments
Validates a vector
readTableIndex
Reads a single column from file in table format
update.ProgressBar
Updates progress bar
reset.ProgressBar
Reset progress bar
whichVector.logical
Identifies TRUE elements in a logical vector
setProgress.ProgressBar
Sets current progress
updateLabels.TextStatusBar
Sets the new values of given labels and updates the status bar
png2
A PNG device for Bitmap Files via GhostScript
timestampOn.Verbose
Turns automatic timestamping on and off
intervalsToSeq.matrix
Generates a vector of indices from a matrix of intervals
writeRaw.Verbose
Writes objects if above threshold
writeRaw.NullVerbose
All output methods
getRaw.GString
Gets the unprocessed GString
toUrl
Converts a pathname into a URL
sourceTo
Parses and evaluates code from a file or a connection
parseDebian.System
Parses a string, file or connection for Debian formatted parameters
isEof.connection
Checks if the current file position for a connection is at the 'End of File'
less.Verbose
Creates a cloned instance with a higher threshold
inAnyInterval.numeric
Checks if a set of values are inside one or more intervals
asInt.Java
Converts an numeric to a Java integer
flush.TextStatusBar
Flushes the output
popMessage.TextStatusBar
Adds a message above the status bar
as.character.Verbose
Returns a character string version of this object
readTable
Reads a file in table format
writeRaw.MultiVerbose
Writes to each of the Verbose objects
isVisible.NullVerbose
Checks if a certain verbose level will be shown or not
System
Static class to query information about the system
listDirectory
Gets the file names in the directory
str.Verbose
Prints the structure of an object if above threshold
bunzip2
Bunzip a file
getInstanceOf.Arguments
Gets an instance of the object that is of a particular class
validate.SmartComments
Validates the compiled lines
isOn.Verbose
Checks if the output is on
isVector.Assert
Static method asserting thatan object is a vector
off.Verbose
Turn off the output
update.FileProgressBar
Updates file progress bar
subplots
Creates a grid of subplots
openBrowser.System
Opens an HTML document using the OS default HTML browser
summary.Verbose
Generates a summary of an object if above threshold
saveAnywhere.Settings
Saves settings to file
newline.Verbose
Writes one or several empty lines
pushState.Verbose
Pushes the current indentation state of the Verbose object
devIsOpen
Checks if a device is open or not
as.character.binmode
Converts a binary/octal/hexadecimal number into a string
asByte.Java
Converts a numeric to a Java byte
colClasses
Creates a vector of column classes used for tabular reading
devNew
Opens a new device
getBuiltinRversion.GString
Gets the current R version
intToBin
Converts an integer to a binary/octal/hexadecimal number
splitByPattern
Splits a single character string by pattern
seqToHumanReadable
Gets a short human readable string representation of an vector of indices
Assert
The Assert class
GString
Character string with advanced substitutions
NullVerbose
A Verbose class ignoring everything
ProgressBar
Provides text based counting progress bar
Settings
Class for applicational settings
copyFile
Copies a file safely
convertComment.VComments
Converts a verbose comment to R code
header.Verbose
Writes a header
isFile
Checks if the file specification is a file
getBuiltinDatetime.GString
Gets the current date and time
names.Options
Gets the full pathname of all (non-list) options
remove.FileProgressBar
Removes the progress file for a file progress bar
readInt.Java
Reads a Java formatted int (32 bits) from a connection
sourceDirectory
Sources files recursively to either local or global environment
writeBinFragments
Writes binary data to disjoint sections of a connection or a file
Arguments
Static class to validate and process arguments
check.Assert
Static method asserting that a generic condition is true
devList
Lists the indices of the open devices named by their labels
getBuiltinTime.GString
Gets the current time
getOption.Options
Gets an option
inherits.Assert
Static method asserting that an object inherits from of a certain class
gzip
Gzip/Gunzip a file
insert
Insert values to a vector at certain positions
lapply.MultiVerbose
Applies a function to each of the Verbose objects
patchCode
Patches installed and loaded packages and more
removeDirectory
Removes a directory
saveObject
Saves an object to a file or a connection
writeInt.Java
Writes a integer (32 bits) to a connection in Java format
copyDirectory
Copies a directory
isZero
Checks if a value is (close to) zero or not
getDoubles.Arguments
Coerces to a double vector and validates
getLeaves.Options
Gets all (non-list) options in a flat list
detachPackage
Detaches a packages by name
doCall
Executes a function call with option to ignore unused arguments
findGraphicsDevice.System
Searches for a working PNG device
getThreshold.Verbose
Gets current verbose threshold
getBuiltinOs.GString
Gets the operating system of the running machine
isPackageInstalled
Checks if a package is installed or not
getLoadedPathname.Settings
Gets the pathname of the settings file loaded
mergeIntervals.numeric
Merges intervals
onGarbageCollect
Registers a function to be called when the R garbage collector is (detected to be) running
setThreshold.Verbose
Sets verbose threshold
setTimestampFormat.Verbose
Sets the default timestamp format
touchFile
Updates the timestamp of a file
ruler.Verbose
Writes a ruler
warnings.Verbose
Outputs any warnings recorded