R.utils v1.5.3

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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
as.character.GString Gets the processed character string
Arguments Static class to validate and process arguments
Sys.setenv Sys.setenv
cat.Verbose Concatenates and prints objects if above threshold
Settings Class for applicational settings
as.character.Options Returns a character string version of this object
devGetLabel Gets the label of a device
getLoadedPathname.Settings Gets the pathname of the settings file loaded
Non-documented objects Non-documented objects
eps EPS graphics device
Java Static class for Java related methods
countLines Counts the number of lines in a text file
fileAccess Checks the permission of a file or a directory
as.character.ProgressBar Gets a string description of the progress bar
devNew Opens a new device
createLink Creates a link to a file or a directory
System Static class to query information about the system
getVector.Arguments Validates a vector
TextStatusBar A status bar at the R prompt that can be updated
hasOption.Options Checks if an option exists
MultiVerbose A Verbose class ignoring everything
filePath Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
getReadablePathname.Arguments Gets a readable pathname
convertComment.SmartComments Converts a single smart comment to R code
Assert The Assert class
equals.Options Checks if this object is equal to another Options object
callHooks Call hook functions by hook name
openBrowser.System Opens an HTML document using the OS default HTML browser
parse.GString Parses a GString
createWindowsShortcut Creates a Microsoft Windows Shortcut (.lnk file)
asShort.Java Converts a numeric to a Java short
getBuiltinDate.GString Gets the current date
getEnvironment.Arguments Gets an existing environment
as.logical.Verbose Gets a logical value of this object
isScalar.Assert Static method asserting thatan object is a single value
devDone Closes an on-screen (interactive) device
exit.Verbose Writes a message and unindents the following output
getIndices.Arguments Coerces to a integer vector and validates
asInt.Java Converts an numeric to a Java integer
inherits.Assert Static method asserting that an object inherits from of a certain class
findGhostscript.System Searches for the ghostview binary on the current system
callHooks.function Call hook functions
getUsername.System Retrieves the name of the user running R
addFinalizerToLast Modifies .Last() to call 'finalizeSession()
increase.ProgressBar Increases (steps) progress bar
currentTimeMillis.System Get the current time in milliseconds
bunzip2 Bunzip a file
copyDirectory Copies a directory
check.Assert Static method asserting that a generic condition is true
GString Character string with advanced substitutions
copyFile Copies a file safely
reset.VComments Resets a VComments compiler
commandArgs Extract Command Line Arguments
convertComment.VComments Converts a verbose comment to R code
equals.Verbose Checks if this object is equal to another
as.double.Verbose Gets a numeric value of this object
getVerbose.Arguments Coerces to Verbose object
isModified.Settings Checks if settings has been modified compared to whats on file
as.list.Options Gets a list representation of the options
lapply.MultiVerbose Applies a function to each of the Verbose objects
NullVerbose A Verbose class ignoring everything
getBuiltinHostname.GString Gets the hostname of the system running R
devSetLabel Sets the label of a device
png2 A PNG device for Bitmap Files via GhostScript
arrayIndex Converts vector indices to array indices
doCall Executes a function call with option to ignore unused arguments
downloadFile.character Downloads a file
gzip Gzip/Gunzip a file
validate.SmartComments Validates the compiled lines
readRdHelp Reads one or more Rd help files in a certain format
evaluate.Verbose Evaluates a function and prints its results if above threshold
detachPackage Detaches a packages by name
extract.array Extract a subset of an array, matrix or a vector with unknown dimensions
sourceTo Parses and evaluates code from a file or a connection
loadObject Method to load object from a file or a connection
readTable Reads a file in table format
as.character.binmode Converts a binary/octal/hexadecimal number into a string
isVisible.Verbose Checks if a certain verbose level will be shown or not
getBuiltinTime.GString Gets the current time
capitalize Capitalizes/decapitalizes each character string in a vector
subplots Creates a grid of subplots
isPackageInstalled Checks if a package is installed or not
dataFrame Allocates a data frame with given column classes
asLong.Java Converts a numeric to a Java long
getAbsolutePath Gets the absolute pathname string
getThreshold.Verbose Gets current verbose threshold
SmartComments Abstract class SmartComments
devSet Activates a device
colClasses Creates a vector of column classes used for tabular reading
VComments The VComments class
dimNA< - Sets the dimension of an object with the option to infer one dimension autmatically
enter.Verbose Writes a message and indents the following output
getBuiltinRversion.GString Gets the current R version
R.utils-package Package R.utils
isEof.connection Checks if the current file position for a connection is at the 'End of File'
more.Verbose Creates a cloned instance with a lower threshold
capture.Verbose Captures output of a function
Options The Options class
getBuiltinUsername.GString Gets the username of the user running R
attachLocally.list Assigns an objects elements locally
devIsOpen Checks if a device is open or not
finalizeSession Function to call for finalizing the R session
parseDebian.System Parses a string, file or connection for Debian formatted parameters
intToBin Converts an integer to a binary/octal/hexadecimal number
getBuiltinRhome.GString Gets the path where R is installed
seqToIntervals Gets all contigous intervals of a vector of indices
insert Insert values to a vector at certain positions
readBinFragments Reads binary data from disjoint sections of a connection or a file
getRegularExpression.Arguments Gets a valid regular expression pattern
getHostname.System Retrieves the computer name of the current host
getNumerics.Arguments Coerces to a numeric vector and validates
flush.TextStatusBar Flushes the output
toCamelCase Converts a string of words into a merged camel-cased word
header.Verbose Writes a header
print.Verbose Prints objects if above threshold
newline.TextStatusBar Writes a newline
readByte.Java Reads a Java formatted byte (8 bits) from a connection
mkdirs Creates a directory including any necessary but nonexistent parent directories
loadToEnv Method to load objects to a new environment
getInstanceOf.Arguments Gets an instance of the object that is of a particular class
newline.Verbose Writes one or several empty lines
setLabel.TextStatusBar Sets the value of a label
sourceDirectory Sources files recursively to either local or global environment
timestampOn.Verbose Turns automatic timestamping on and off
saveObject Saves an object to a file or a connection
getRaw.GString Gets the unprocessed GString
remove.FileProgressBar Removes the progress file for a file progress bar
reset.SmartComments Resets a SmartComments compiler
moveInSearchPath Moves a environment in the search path to another position
print.GString Prints the processed GString
update.TextStatusBar Updates the status bar (visually)
reassignInPackage Re-assigns a new value to an existing object in a loaded package
resetWarnings Resets recorded warnings
Verbose Class to writing verbose messages to a connection or file
splitByPattern Splits a single character string by pattern
jpeg2 A JPEG device for Bitmap Files via GhostScript
update.ProgressBar Updates progress bar
setTicks.ProgressBar Sets values for which ticks should be visible
stext Writes text in the margin along the sides of a plot
validate.VComments Validates the compiled lines
writeRaw.NullVerbose All output methods
getLogicals.Arguments Coerces to a logical vector and validates
readWindowsShortcut Reads a Microsoft Windows Shortcut (.lnk file)
readInt.Java Reads a Java formatted int (32 bits) from a connection
setStepLength.ProgressBar Sets default step length
setDefaultLevel.Verbose Sets the current default verbose level
popMessage.TextStatusBar Adds a message above the status bar
update.FileProgressBar Updates file progress bar
off.Verbose Turn off the output
loadAnywhere.Settings Loads settings from file
isVisible.NullVerbose Checks if a certain verbose level will be shown or not
isVector.Assert Static method asserting thatan object is a vector
printf C-style formatted output
relibrary Reloads a package
getCharacters.Arguments Coerces to a character vector and validates
readUTF.Java Reads a Java (UTF-8) formatted string from a connection
setLabels.TextStatusBar Sets new values of given labels
isAbsolutePath Checks if this pathname is absolute
names.Options Gets the full pathname of all (non-list) options
getVariableValue.GString Gets a variable value given a name and attributes
isOn.NullVerbose Checks if the output is on
saveAnywhere.Settings Saves settings to file
updateLabels.TextStatusBar Sets the new values of given labels and updates the status bar
isDirectory Checks if the file specification is a directory
parse.SmartComments Parses one single smart comment
hasUrlProtocol Checks if one or several pathnames has a URL protocol
isFile Checks if the file specification is a file
isOn.Verbose Checks if the output is on
on.Verbose Turn on the output
ruler.Verbose Writes a ruler
less.Verbose Creates a cloned instance with a higher threshold
intervalsToSeq.matrix Generates a vector of indices from a matrix of intervals
onSessionExit Registers a function to be called when the R session finishes
wrap.array Reshape an array or a matrix by permuting and/or joining dimensions
listDirectory Gets the file names in the directory
writeRaw.MultiVerbose Writes to each of the Verbose objects
readShort.Java Reads a Java formatted short (16 bits) from a connection
getRelativePath Gets the relative pathname relative to a directory
setMaxValue.ProgressBar Sets maximum value
setProgress.ProgressBar Sets current progress
getBarString.ProgressBar Gets the progress bar string to be displayed
compile.SmartComments Preprocess a vector of code lines
str.Options Prints the structure of the options
nbrOfOptions.Options Gets the number of options set
patchCode Patches installed and loaded packages and more
whichVector.logical Identifies TRUE elements in a logical vector
isZero Checks if a value is (close to) zero or not
setOption.Options Sets an option
mapToIntervals.numeric Maps values to intervals
warnings.Verbose Outputs any warnings recorded
setValue.ProgressBar Sets current value
pushState.Verbose Pushes the current indentation state of the Verbose object
isPackageLoaded Checks if a package is loaded or not
promptAndSave.Settings Prompt user to save modified settings
writeInt.Java Writes a integer (32 bits) to a connection in Java format
mergeIntervals.numeric Merges intervals
printf.Verbose Formats and prints object if above threshold
setThreshold.Verbose Sets verbose threshold
reset.ProgressBar Reset progress bar
isOpen.character Checks if there is an open connection to a file
readTableIndex Reads a single column from file in table format
timestamp.Verbose Writes a timestamp
getLabel.TextStatusBar Gets the current value of a label
writeByte.Java Writes a byte (8 bits) to a connection in Java format
ProgressBar Provides text based counting progress bar
setTimestampFormat.Verbose Sets the default timestamp format
unwrap.array Unwrap an array, matrix or a vector to an array of more dimensions
touchFile Updates the timestamp of a file
onGarbageCollect Registers a function to be called when the R garbage collector is (detected to be) running
isUrl Checks if one or several pathnames is URLs
toUrl Converts a pathname into a URL
as.character.Verbose Returns a character string version of this object
getIntegers.Arguments Coerces to a integer vector and validates
getOption.Options Gets an option
getDoubles.Arguments Coerces to a double vector and validates
getTimestampFormat.Verbose Gets the default timestamp format
isMatrix.Assert Static method asserting thatan object is a matrix
summary.Verbose Generates a summary of an object if above threshold
writeBinFragments Writes binary data to disjoint sections of a connection or a file
FileProgressBar A progress bar that sets the size of a file accordingly
asByte.Java Converts a numeric to a Java byte
getBuiltinDatetime.GString Gets the current date and time
displayCode Displays the contents of a text file with line numbers and more
isDone.ProgressBar Checks if progress bar is completed
removeDirectory Removes a directory
findGraphicsDevice.System Searches for a working PNG device
findSettings.Settings Searches for the settings file in one or several directories
lastModified Gets the time when the file was last modified
LComments The LComments class
devList Lists the indices of the open devices named by their labels
devOff Closes a device
findSourceTraceback Finds all 'srcfile' objects generated by source() in all call frames
getBuiltinOs.GString Gets the operating system of the running machine
getBuiltinPid.GString Gets the process id of the current R session
getParent Gets the string of the parent specified by this pathname
getLeaves.Options Gets all (non-list) options in a flat list
getWritablePathname.Arguments Gets a writable pathname
inAnyInterval.numeric Checks if a set of values are inside one or more intervals
getReadablePathnames.Arguments Gets a readable pathname
seqToHumanReadable Gets a short human readable string representation of an vector of indices
str.Verbose Prints the structure of an object if above threshold
writeRaw.Verbose Writes objects if above threshold
writeUTF.Java Writes a string to a connection in Java format (UTF-8)
writeShort.Java Writes a short (16 bits) to a connection in Java format
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Date 2010-09-29
License LGPL (>= 2.1)
URL http://www.braju.com/R/
LazyLoad TRUE
Packaged 2010-09-30 01:07:22 UTC; hb
Repository CRAN
Date/Publication 2010-09-30 18:57:47

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