R.utils v1.7.0


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Various programming utilities

This package provides utility classes and methods useful when programming in R and developing R packages.

Functions in R.utils

Name Description
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
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Last month downloads


Date 2011-03-10
License LGPL (>= 2.1)
URL http://www.braju.com/R/
LazyLoad TRUE
Packaged 2011-03-14 08:50:20 UTC; hb
Repository CRAN
Date/Publication 2011-03-14 10:01:02

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