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R.utils (version 1.7.0)
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
208,068
Version
1.7.0
License
LGPL (>= 2.1)
Maintainer
Henrik Bengtsson
Last Published
March 14th, 2011
Functions in R.utils (1.7.0)
Search functions
GString
Character string with advanced substitutions
Java
Static class for Java related methods
dimNA< -
Sets the dimension of an object with the option to infer one dimension autmatically
downloadFile.character
Downloads a file
createLink
Creates a link to a file or a directory
FileProgressBar
A progress bar that sets the size of a file accordingly
convertComment.VComments
Converts a verbose comment to R code
dataFrame
Allocates a data frame with given column classes
devIsOpen
Checks if a device is open or not
Settings
Class for applicational settings
isModified.Settings
Checks if settings has been modified compared to whats on file
as.double.Verbose
Gets a numeric value of this object
getLeaves.Options
Gets all (non-list) options in a flat list
getVerbose.Arguments
Coerces to Verbose object
Assert
The Assert class
as.character.Verbose
Returns a character string version of this object
Non-documented objects
Non-documented objects
header.Verbose
Writes a header
TimeoutException
TimeoutException represents timeout errors
capture.Verbose
Captures output of a function
callHooks.function
Call hook functions
check.Assert
Static method asserting that a generic condition is true
isFile
Checks if the file specification is a file
eps
EPS graphics device
setThreshold.Verbose
Sets verbose threshold
detachPackage
Detaches a packages by name
commandArgs
Extract Command Line Arguments
devDone
Closes an on-screen (interactive) device
evalWithTimeout
Evaluate an R expression and interrupts it if it takes too long
onGarbageCollect
Registers a function to be called when the R garbage collector is (detected to be) running
readTableIndex
Reads a single column from file in table format
updateLabels.TextStatusBar
Sets the new values of given labels and updates the status bar
devList
Lists the indices of the open devices named by their labels
ProgressBar
Provides text based counting progress bar
isOn.Verbose
Checks if the output is on
displayCode
Displays the contents of a text file with line numbers and more
saveAnywhere.Settings
Saves settings to file
copyDirectory
Copies a directory
countLines
Counts the number of lines in a text file
isUrl
Checks if one or several pathnames is URLs
readUTF.Java
Reads a Java (UTF-8) formatted string from a connection
VComments
The VComments class
exit.Verbose
Writes a message and unindents the following output
getHostname.System
Retrieves the computer name of the current host
getBuiltinRhome.GString
Gets the path where R is installed
findGhostscript.System
Searches for the ghostview binary on the current system
names.Options
Gets the full pathname of all (non-list) options
increase.ProgressBar
Increases (steps) progress bar
createWindowsShortcut
Creates a Microsoft Windows Shortcut (.lnk file)
equals.Verbose
Checks if this object is equal to another
timestamp.Verbose
Writes a timestamp
intToBin
Converts an integer to a binary/octal/hexadecimal number
getIntegers.Arguments
Coerces to a integer vector and validates
isOn.NullVerbose
Checks if the output is on
on.Verbose
Turn on the output
promptAndSave.Settings
Prompt user to save modified settings
writeRaw.NullVerbose
All output methods
remove.FileProgressBar
Removes the progress file for a file progress bar
update.TextStatusBar
Updates the status bar (visually)
setTimestampFormat.Verbose
Sets the default timestamp format
cat.Verbose
Concatenates and prints objects if above threshold
fileAccess
Checks the permission of a file or a directory
whichVector.logical
Identifies TRUE elements in a logical vector
isOpen.character
Checks if there is an open connection to a file
TextStatusBar
A status bar at the R prompt that can be updated
warnings.Verbose
Outputs any warnings recorded
LComments
The LComments class
getNumerics.Arguments
Coerces to a numeric vector and validates
isPackageInstalled
Checks if a package is installed or not
isPackageLoaded
Checks if a package is loaded or not
getRelativePath
Gets the relative pathname relative to a directory
doCall
Executes a function call with option to ignore unused arguments
reassignInPackage
Re-assigns a new value to an existing object in a loaded package
findGraphicsDevice.System
Searches for a working PNG device
resetWarnings
Resets recorded warnings
getAbsolutePath
Gets the absolute pathname string
loadAnywhere.Settings
Loads settings from file
as.character.GString
Gets the processed character string
splitByPattern
Splits a single character string by pattern
MultiVerbose
A Verbose class ignoring everything
colClasses
Creates a vector of column classes used for tabular reading
enter.Verbose
Writes a message and indents the following output
print.Verbose
Prints objects if above threshold
getBuiltinRversion.GString
Gets the current R version
mkdirs
Creates a directory including any necessary but nonexistent parent directories
devSet
Activates a device
isDirectory
Checks if the file specification is a directory
asInt.Java
Converts an numeric to a Java integer
Sys.setenv
Sys.setenv
getBuiltinHostname.GString
Gets the hostname of the system running R
getBuiltinPid.GString
Gets the process id of the current R session
NullVerbose
A Verbose class ignoring everything
as.logical.Verbose
Gets a logical value of this object
devOff
Closes a device
SmartComments
Abstract class SmartComments
getBuiltinTime.GString
Gets the current time
getInstanceOf.Arguments
Gets an instance of the object that is of a particular class
getLogicals.Arguments
Coerces to a logical vector and validates
hasOption.Options
Checks if an option exists
System
Static class to query information about the system
copyFile
Copies a file safely
stext
Writes text in the margin along the sides of a plot
readByte.Java
Reads a Java formatted byte (8 bits) from a connection
getReadablePathname.Arguments
Gets a readable pathname
getDoubles.Arguments
Coerces to a double vector and validates
attachLocally.list
Assigns an objects elements locally
setOption
Sets a option in R
asByte.Java
Converts a numeric to a Java byte
as.list.Options
Gets a list representation of the options
callHooks
Call hook functions by hook name
Arguments
Static class to validate and process arguments
getLoadedPathname.Settings
Gets the pathname of the settings file loaded
findSourceTraceback
Finds all 'srcfile' objects generated by source() in all call frames
Options
The Options class
currentTimeMillis.System
Get the current time in milliseconds
setProgress.ProgressBar
Sets current progress
str.Options
Prints the structure of the options
getThreshold.Verbose
Gets current verbose threshold
as.character.Options
Returns a character string version of this object
loadToEnv
Method to load objects to a new environment
less.Verbose
Creates a cloned instance with a higher threshold
addFinalizerToLast
Modifies .Last() to call 'finalizeSession()
update.ProgressBar
Updates progress bar
jpeg2
A JPEG device for Bitmap Files via GhostScript
writeBinFragments
Writes binary data to disjoint sections of a connection or a file
getParent
Gets the string of the parent specified by this pathname
printf.Verbose
Formats and prints object if above threshold
convertComment.SmartComments
Converts a single smart comment to R code
off.Verbose
Turn off the output
devSetLabel
Sets the label of a device
compile.SmartComments
Preprocess a vector of code lines
nbrOfOptions.Options
Gets the number of options set
setLabel.TextStatusBar
Sets the value of a label
getReadablePathnames.Arguments
Gets a readable pathname
parse.GString
Parses a GString
intervalsToSeq.matrix
Generates a vector of indices from a matrix of intervals
setOption.Options
Sets an option
isAbsolutePath
Checks if this pathname is absolute
parseDebian.System
Parses a string, file or connection for Debian formatted parameters
getRaw.GString
Gets the unprocessed GString
readBinFragments
Reads binary data from disjoint sections of a connection or a file
getBuiltinDate.GString
Gets the current date
asShort.Java
Converts a numeric to a Java short
listDirectory
Gets the file names in the directory
extract.array
Extract a subset of an array, matrix or a vector with unknown dimensions
capitalize
Capitalizes/decapitalizes each character string in a vector
lastModified
Gets the time when the file was last modified
readInt.Java
Reads a Java formatted int (32 bits) from a connection
createFileAtomically
Creates a file atomically
getIndices.Arguments
Coerces to a integer vector and validates
equals.Options
Checks if this object is equal to another Options object
env
Creates a new environment, evaluates an expression therein, and returns the environment
parse.SmartComments
Parses one single smart comment
getBuiltinUsername.GString
Gets the username of the user running R
finalizeSession
Function to call for finalizing the R session
toCamelCase
Converts a string of words into a merged camel-cased word
getCharacters.Arguments
Coerces to a character vector and validates
setTicks.ProgressBar
Sets values for which ticks should be visible
devEval
Opens a new device, evaluate (graphing) code, and closes device
loadObject
Method to load object from a file or a connection
isScalar.Assert
Static method asserting thatan object is a single value
readRdHelp
Reads one or more Rd help files in a certain format
isVisible.Verbose
Checks if a certain verbose level will be shown or not
print.GString
Prints the processed GString
isVector.Assert
Static method asserting thatan object is a vector
pushState.Verbose
Pushes the current indentation state of the Verbose object
getBuiltinDatetime.GString
Gets the current date and time
unwrap.array
Unwrap an array, matrix or a vector to an array of more dimensions
arrayIndex
Converts vector indices to array indices
touchFile
Updates the timestamp of a file
isEof.connection
Checks if the current file position for a connection is at the 'End of File'
getUsername.System
Retrieves the name of the user running R
isZero
Checks if a value is (close to) zero or not
reset.VComments
Resets a VComments compiler
pushTemporaryFile
Appends a temporary suffix to the pathname
printf
C-style formatted output
getTimestampFormat.Verbose
Gets the default timestamp format
onSessionExit
Registers a function to be called when the R session finishes
readTable
Reads a file in table format
sourceTo
Parses and evaluates code from a file or a connection
str.Verbose
Prints the structure of an object if above threshold
renameFile
Renames a file safely
setDefaultLevel.Verbose
Sets the current default verbose level
setMaxValue.ProgressBar
Sets maximum value
popTemporaryFile
Drops a temporary suffix from the temporary pathname
reset.ProgressBar
Reset progress bar
writeShort.Java
Writes a short (16 bits) to a connection in Java format
inAnyInterval.numeric
Checks if a set of values are inside one or more intervals
lapply.MultiVerbose
Applies a function to each of the Verbose objects
getWritablePathname.Arguments
Gets a writable pathname
subplots
Creates a grid of subplots
png2
A PNG device for Bitmap Files via GhostScript
pushBackupFile
Appends a backup suffix to the pathname
popBackupFile
Drops a backup suffix from the backup pathname
wrap.array
Reshape an array or a matrix by permuting and/or joining dimensions
seqToIntervals
Gets all contigous intervals of a vector of indices
writeRaw.Verbose
Writes objects if above threshold
ruler.Verbose
Writes a ruler
writeUTF.Java
Writes a string to a connection in Java format (UTF-8)
mapToIntervals.numeric
Maps values to intervals
writeByte.Java
Writes a byte (8 bits) to a connection in Java format
more.Verbose
Creates a cloned instance with a lower threshold
writeInt.Java
Writes a integer (32 bits) to a connection in Java format
devGetLabel
Gets the label of a device
readWindowsShortcut
Reads a Microsoft Windows Shortcut (.lnk file)
filePath
Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
getVector.Arguments
Validates a vector
getMessage.TimeoutException
Gets the message of the exception
gzip
Gzip/Gunzip a file
setValue.ProgressBar
Sets current value
toUrl
Converts a pathname into a URL
summary.Verbose
Generates a summary of an object if above threshold
validate.SmartComments
Validates the compiled lines
validate.VComments
Validates the compiled lines
Verbose
Class to writing verbose messages to a connection or file
insert
Insert values to a vector at certain positions
setLabels.TextStatusBar
Sets new values of given labels
openBrowser.System
Opens an HTML document using the OS default HTML browser
popMessage.TextStatusBar
Adds a message above the status bar
writeRaw.MultiVerbose
Writes to each of the Verbose objects
relibrary
Reloads a package
seqToHumanReadable
Gets a short human readable string representation of an vector of indices
newline.TextStatusBar
Writes a newline
as.character.ProgressBar
Gets a string description of the progress bar
bunzip2
Bunzip a file
findSettings.Settings
Searches for the settings file in one or several directories
devNew
Opens a new device
getRegularExpression.Arguments
Gets a valid regular expression pattern
patchCode
Patches installed and loaded packages and more
saveObject
Saves an object to a file or a connection
setStepLength.ProgressBar
Sets default step length
as.character.binmode
Converts a binary/octal/hexadecimal number into a string
getBarString.ProgressBar
Gets the progress bar string to be displayed
getEnvironment.Arguments
Gets an existing environment
getOption.Options
Gets an option
getLabel.TextStatusBar
Gets the current value of a label
hasUrlProtocol
Checks if one or several pathnames has a URL protocol
inherits.Assert
Static method asserting that an object inherits from of a certain class
isDone.ProgressBar
Checks if progress bar is completed
moveInSearchPath
Moves a environment in the search path to another position
isMatrix.Assert
Static method asserting thatan object is a matrix
mergeIntervals.numeric
Merges intervals
resample
Sample values from a set of elements
sourceDirectory
Sources files recursively to either local or global environment
timestampOn.Verbose
Turns automatic timestamping on and off
update.FileProgressBar
Updates file progress bar
R.utils-package
Package R.utils
asLong.Java
Converts a numeric to a Java long
evaluate.Verbose
Evaluates a function and prints its results if above threshold
getBuiltinOs.GString
Gets the operating system of the running machine
getVariableValue.GString
Gets a variable value given a name and attributes
isVisible.NullVerbose
Checks if a certain verbose level will be shown or not
newline.Verbose
Writes one or several empty lines
readShort.Java
Reads a Java formatted short (16 bits) from a connection
reset.SmartComments
Resets a SmartComments compiler
removeDirectory
Removes a directory
flush.TextStatusBar
Flushes the output