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R.utils (version 1.23.2)
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
1.23.2
License
LGPL (>= 2.1)
Maintainer
Henrik Bengtsson
Last Published
March 27th, 2013
Functions in R.utils (1.23.2)
Search functions
findFiles
Finds one or several files in multiple directories
saveAnywhere.Settings
Saves settings to file
isDirectory
Checks if the file specification is a directory
as.list.MultiVerbose
Gets a list of Verbose objects
loadAnywhere.Settings
Loads settings from file
Assert
The Assert class
as.character.Options
Returns a character string version of this object
VComments
The VComments class
addFinalizerToLast
Modifies .Last() to call 'finalizeSession()
System
Static class to query information about the system
Verbose
Class to writing verbose messages to a connection or file
MultiVerbose
A Verbose class ignoring everything
arrayIndex
Converts vector indices to array indices
convertComment.SmartComments
Converts a single smart comment to R code
Arguments$getEnvironment
Gets an existing environment
cmdArgs
Simple access to parsed command-line arguments
dimNA< -
Sets the dimension of an object with the option to infer one dimension autmatically
TimeoutException
TimeoutException represents timeout errors
Java
Static class for Java related methods
exit.Verbose
Writes a message and unindents the following output
createLink
Creates a link to a file or a directory
System$findGraphicsDevice
Searches for a working PNG device
bunzip2
Bunzip a file
cat.Verbose
Concatenates and prints objects if above threshold
enter.Verbose
Writes a message and indents the following output
isPackageInstalled
Checks if a package is installed or not
convertComment.VComments
Converts a verbose comment to R code
getParent
Gets the string of the parent specified by this pathname
Java$asInt
Converts an numeric to a Java integer
createFileAtomically
Creates a file atomically
getLeaves.Options
Gets all (non-list) options in a flat list
isReplicated
Identifies all entries with replicated values
as.character.GString
Gets the processed character string
GString
Character string with advanced substitutions
cleanup.FileProgressBar
Removes the progress file for a file progress bar
as.list.Options
Gets a list representation of the options
capture.Verbose
Captures output of a function
fileAccess
Checks the permission of a file or a directory
createWindowsShortcut
Creates a Microsoft Windows Shortcut (.lnk file)
extract.array
Extract a subset of an array, matrix or a vector with unknown dimensions
loadObject
Method to load object from a file or a connection
printf
C-style formatted output
Non-documented objects
Non-documented objects
ProgressBar
Provides text based counting progress bar
isEof.connection
Checks if the current file position for a connection is at the 'End of File'
as.character.ProgressBar
Gets a string description of the progress bar
colClasses
Creates a vector of column classes used for tabular reading
as.double.Verbose
Gets a numeric value of this object
System$currentTimeMillis
Get the current time in milliseconds
intToBin
Converts an integer to a binary/octal/hexadecimal number
getRelativePath
Gets the relative pathname relative to a directory
attachLocally.list
Assigns an objects elements locally
Java$readByte
Reads a Java formatted byte (8 bits) from a connection
setTimestampFormat.Verbose
Sets the default timestamp format
equals.Options
Checks if this object is equal to another Options object
TextStatusBar
A status bar at the R prompt that can be updated
insert
Insert values to a vector at certain positions
getTimestampFormat.Verbose
Gets the default timestamp format
isOn.NullVerbose
Checks if the output is on
Arguments$getLogicals
Coerces to a logical vector and validates
GString$getBuiltinRversion
Gets the current R version
getBarString.ProgressBar
Gets the progress bar string to be displayed
str.Verbose
Prints the structure of an object if above threshold
less.Verbose
Creates a cloned instance with a higher threshold
seqToHumanReadable
Gets a short human readable string representation of an vector of indices
eget
Gets a variable by name
as.character.Verbose
Returns a character string version of this object
isZero
Checks if a value is (close to) zero or not
saveObject
Saves an object to a file or a connection
Arguments$getIntegers
Coerces to a integer vector and validates
Assert$inherits
Static method asserting that an object inherits from of a certain class
flush.TextStatusBar
Flushes the output
setValue.ProgressBar
Sets current value
increase.ProgressBar
Increases (steps) progress bar
SmartComments
Abstract class SmartComments
getMessage.TimeoutException
Gets the message of the exception
gcat
Parses, evaluates and outputs a GString
displayCode
Displays the contents of a text file with line numbers and more
downloadFile.character
Downloads a file
toUrl
Converts a pathname into a URL
isVisible.NullVerbose
Checks if a certain verbose level will be shown or not
copyFile
Copies a file safely
off.Verbose
Turn off the output
queryRCmdCheck
Gets the on R CMD check if the current R session was launched by it
GString$getBuiltinHostname
Gets the hostname of the system running R
resample
Sample values from a set of elements
readTableIndex
Reads a single column from file in table format
getLoadedPathname.Settings
Gets the pathname of the settings file loaded
Arguments$getNumerics
Coerces to a numeric vector and validates
names.Options
Gets the full pathname of all (non-list) options
copyDirectory
Copies a directory
writeBinFragments
Writes binary data to disjoint sections of a connection or a file
setOption.Options
Sets an option
Java$readUTF
Reads a Java (UTF-8) formatted string from a connection
equals.Verbose
Checks if this object is equal to another
setProgress.ProgressBar
Sets current progress
Arguments$getVerbose
Coerces to Verbose object
updateLabels.TextStatusBar
Sets the new values of given labels and updates the status bar
readRdHelp
Reads one or more Rd help files in a certain format
swapXY.density
Swaps x and y coordinates of a density object
removeDirectory
Removes a directory
callHooks.function
Call hook functions
str.Options
Prints the structure of the options
readWindowsShortcut
Reads a Microsoft Windows Shortcut (.lnk file)
mergeIntervals.numeric
Merges intervals
header.Verbose
Writes a header
reset.ProgressBar
Reset progress bar
stext
Writes text in the margin along the sides of a plot
sourceDirectory
Sources files recursively to either local or global environment
update.FileProgressBar
Updates file progress bar
GString$getBuiltinUsername
Gets the username of the user running R
validate.VComments
Validates the compiled lines
isModified.Settings
Checks if settings has been modified compared to whats on file
on.Verbose
Turn on the output
hasUrlProtocol
Checks if one or several pathnames has a URL protocol
env
Creates a new environment, evaluates an expression therein, and returns the environment
newline.Verbose
Writes one or several empty lines
newline.TextStatusBar
Writes a newline
isDone.ProgressBar
Checks if progress bar is completed
writeRaw.MultiVerbose
Writes to each of the Verbose objects
resetWarnings
Resets recorded warnings
popMessage.TextStatusBar
Adds a message above the status bar
reset.SmartComments
Resets a SmartComments compiler
Java$readShort
Reads a Java formatted short (16 bits) from a connection
Assert$isVector
Static method asserting thatan object is a vector
System$parseDebian
Parses a string, file or connection for Debian formatted parameters
System$openBrowser
Opens an HTML document using the OS default HTML browser
toCamelCase
Converts a string of words into a merged camel-cased word
Assert$isMatrix
Static method asserting thatan object is a matrix
moveInSearchPath
Moves a environment in the search path to another position
subplots
Creates a grid of subplots
isFile
Checks if the file specification is a file
validate.SmartComments
Validates the compiled lines
getOption.Options
Gets an option
nbrOfOptions.Options
Gets the number of options set
ruler.Verbose
Writes a ruler
patchCode
Patches installed and loaded packages and more
splitByPattern
Splits a single character string by pattern
wrap.array
Reshape an array or a matrix by permuting and/or joining dimensions
Java$writeShort
Writes a short (16 bits) to a connection in Java format
timestamp.Verbose
Writes a timestamp
Java$writeByte
Writes a byte (8 bits) to a connection in Java format
warnings.Verbose
Outputs any warnings recorded
isOpen.character
Checks if there is an open connection to a file
summary.Verbose
Generates a summary of an object if above threshold
Java$writeUTF
Writes a string to a connection in Java format (UTF-8)
System$getUsername
Retrieves the name of the user running R
pushState.Verbose
Pushes the current indentation state of the Verbose object
setMaxValue.ProgressBar
Sets maximum value
LComments
The LComments class
setLabels.TextStatusBar
Sets new values of given labels
setOption
Sets a option in R
promptAndSave.Settings
Prompt user to save modified settings
update.TextStatusBar
Updates the status bar (visually)
print.GString
Prints the processed GString
reset.VComments
Resets a VComments compiler
readTable
Reads a file in table format
print.Verbose
Prints objects if above threshold
Settings
Class for applicational settings
GString$getBuiltinOs
Gets the operating system of the running machine
Java$asShort
Converts a numeric to a Java short
setTicks.ProgressBar
Sets values for which ticks should be visible
compile.SmartComments
Preprocess a vector of code lines
popBackupFile
Drops a backup suffix from the backup pathname
isVisible.Verbose
Checks if a certain verbose level will be shown or not
findSourceTraceback
Finds all 'srcfile' objects generated by source() in all call frames
pushTemporaryFile
Appends a temporary suffix to the pathname
System$findGhostscript
Searches for the ghostview binary on the current system
getRaw.GString
Gets the unprocessed GString
isPackageLoaded
Checks if a package is loaded or not
reassignInPackage
Re-assigns a new value to an existing object in a loaded package
Java$asByte
Converts a numeric to a Java byte
Java$asLong
Converts a numeric to a Java long
draw.density
Draws a density curve
pushBackupFile
Appends a backup suffix to the pathname
renameFile
Renames a file safely
evaluate.GString
Parses and evaluates a GString
whichVector.logical
Identifies TRUE elements in a logical vector
touchFile
Updates the timestamp of a file
Arguments$getInstanceOf
Gets an instance of the object that is of a particular class
GString$getVariableValue
Gets a variable value given a name and attributes
Arguments$getReadablePathnames
Gets a readable pathname
writeRaw.NullVerbose
All output methods
seqToIntervals
Gets all contigous intervals of a vector of indices
Java$writeInt
Writes a integer (32 bits) to a connection in Java format
filePath
Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
evalCapture
Evaluates an expression and captures the code and/or the output
doCall
Executes a function call with option to ignore unused arguments
hpaste
Concatenating vectors into human-readable strings
as.logical.Verbose
Gets a logical value of this object
isOn.Verbose
Checks if the output is on
Arguments$getRegularExpression
Gets a valid regular expression pattern
parse.GString
Parses a GString
setThreshold.Verbose
Sets verbose threshold
GString$getBuiltinTime
Gets the current time
Arguments$getDoubles
Coerces to a double vector and validates
Arguments$getCharacters
Coerces to a character vector and validates
capitalize
Capitalizes/decapitalizes each character string in a vector
Options
The Options class
callHooks
Call hook functions by hook name
NullVerbose
A Verbose class ignoring everything
dataFrame
Allocates a data frame with given column classes
GString$getBuiltinRhome
Gets the path where R is installed
Arguments$getIndices
Coerces to a integer vector and validates
inAnyInterval.numeric
Checks if a set of values are inside one or more intervals
mapToIntervals.numeric
Maps values to intervals
parse.SmartComments
Parses one single smart comment
loadToEnv
Method to load objects to a new environment
Arguments$getReadablePathname
Gets a readable pathname
readWindowsShellLink
Reads a Microsoft Windows Shortcut (.lnk file)
Arguments$getWritablePathname
Gets a writable pathname
R.utils-package
Package R.utils
countLines
Counts the number of lines in a text file
commandArgs
Extract command-line arguments
evaluate.Verbose
Evaluates a function and prints its results if above threshold
Settings$findSettings
Searches for the settings file in one or several directories
Arguments$getFilename
Gets and validates a filename
isAbsolutePath
Checks if this pathname is absolute
intervalsToSeq.matrix
Generates a vector of indices from a matrix of intervals
as.character.binmode
Converts a binary/octal/hexadecimal number into a string
detachPackage
Detaches a packages by name
getAbsolutePath
Gets the absolute pathname string
GString$getBuiltinDatetime
Gets the current date and time
System$getHostname
Retrieves the computer name of the current host
hasOption.Options
Checks if an option exists
isSingle
Identifies all entries that exists exactly ones
isUrl
Checks if one or several pathnames is URLs
more.Verbose
Creates a cloned instance with a lower threshold
mkdirs
Creates a directory including any necessary but nonexistent parent directories
popTemporaryFile
Drops a temporary suffix from the temporary pathname
listDirectory
Gets the file names in the directory
update.ProgressBar
Updates progress bar
systemR
Launches another R process from within R
writeRaw.Verbose
Writes objects if above threshold
writeDataFrame.data.frame
Writes a data.frame to tabular text file
readBinFragments
Reads binary data from disjoint sections of a connection or a file
Arguments
Static class to validate and process arguments
FileProgressBar
A progress bar that sets the size of a file accordingly
Assert$check
Static method asserting that a generic condition is true
finalizeSession
Function to call for finalizing the R session
evalWithTimeout
Evaluate an R expression and interrupts it if it takes too long
GString$getBuiltinDate
Gets the current date
GString$getBuiltinPid
Gets the process id of the current R session
getLabel.TextStatusBar
Gets the current value of a label
Java$readInt
Reads a Java formatted int (32 bits) from a connection
lastModified
Gets the time when the file was last modified
setLabel.TextStatusBar
Sets the value of a label
timestampOn.Verbose
Turns automatic timestamping on and off
setStepLength.ProgressBar
Sets default step length
getThreshold.Verbose
Gets current verbose threshold
onGarbageCollect
Registers a function to be called when the R garbage collector is (detected to be) running
Assert$isScalar
Static method asserting thatan object is a single value
Arguments$getVector
Validates a vector
onSessionExit
Registers a function to be called when the R session finishes
setDefaultLevel.Verbose
Sets the current default verbose level
sourceTo
Parses and evaluates code from a file or a connection
unwrap.array
Unwrap an array, matrix or a vector to an array of more dimensions
gzip
Gzip/Gunzip a file
printf.Verbose
Formats and prints object if above threshold