R.utils v1.0.1

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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
asLong.Java Converts a numeric to a Java long
hasOption.Options Checks if an option exists
as.list.Options Gets a list representation of the options
copyDirectory Copies a directory
equals.Options Checks if this object is equal to another Options object
bunzip2 Bunzip a file
findSettings.Settings Searches for the settings file in one or several directories
isModified.Settings Checks if settings has been modified compared to whats on file
setOption.Options Sets an option
TextStatusBar A status bar at the R prompt that can be updated
getHostname.System Retrieves the computer name of the current host
as.logical.Verbose Gets a logical value of this object
getWritablePathname.Arguments Gets a writable pathname
Sys.setenv Sys.setenv
setMaxValue.ProgressBar Sets maximum value
getOption.Options Gets an option
header.Verbose Writes a header
moveInSearchPath Moves a environment in the search path to another position
as.character.Verbose Returns a character string version of this object
colClasses Creates a vector of column classes used for tabular reading
detachPackage Detaches a packages by name
writeShort.Java Writes a short (16 bits) to a connection in Java format
System Static class to query information about the system
isEof.connection Checks if the current file position for a connection is at the 'End of File'
enter.Verbose Writes a message and indents the following output
readShort.Java Reads a Java formatted short (16 bits) from a connection
png2 A PNG device for Bitmap Files via GhostScript
warnings.Verbose Outputs any warnings recorded
capitalize Capitalizes/decapitalizes each character string in a vector
getBuiltinHostname.GString Gets the hostname of the system running R
findGhostscript.System Searches for the ghostview binary on the current system
dataFrame Allocates a data frame with given column classes
getBuiltinOs.GString Gets the operating system of the running machine
getBuiltinTime.GString Gets the current time
loadToEnv Method to load objects to a new environment
sourceTo Parses and evaluates code from a file or a connection
isUrl Checks if one or several pathnames is URLs
equals.Verbose Checks if this object is equal to another
setThreshold.Verbose Sets verbose threshold
mkdirs Creates a directory including any necessary but nonexistent parent directories
setProgress.ProgressBar Sets current progress
writeUTF.Java Writes a string to a connection in Java format (UTF-8)
getLoadedPathname.Settings Gets the pathname of the settings file loaded
off.Verbose Turn off the output
FileProgressBar A progress bar that sets the size of a file accordingly
isOn.Verbose Checks if the output is on
asInt.Java Converts an numeric to a Java integer
isOn.NullVerbose Checks if the output is on
findGraphicsDevice.System Searches for a working PNG device
MultiVerbose A Verbose class ignoring everything
reset.ProgressBar Reset progress bar
arrayIndex Converts vector indices to array indices
getBuiltinDate.GString Gets the current date
isScalar.Assert Static method asserting thatan object is a single value
displayCode Displays the contents of a text file with line numbers and more
jpeg2 A JPEG device for Bitmap Files via GhostScript
Non-documented objects Non-documented objects
Settings Class for applicational settings
pushState.Verbose Pushes the current indentation state of the Verbose object
convertComment.VComments Converts a verbose comment to R code
more.Verbose Creates a cloned instance with a lower threshold
less.Verbose Creates a cloned instance with a higher threshold
saveObject Saves an object to a file or a connection
setDefaultLevel.Verbose Sets the current default verbose level
patchCode Patches installed and loaded packages and more
timestamp.Verbose Writes a timestamp
reset.SmartComments Resets a SmartComments compiler
seqToHumanReadable Gets a short human readable string representation of an vector of indices
print.Verbose Prints objects if above threshold
finalizeSession Function to call for finalizing the R session
exit.Verbose Writes a message and unindents the following output
reassignInPackage Re-assigns a new value to an existing object in a loaded package
getReadablePathnames.Arguments Gets a readable pathname
setTicks.ProgressBar Sets values for which ticks should be visible
increase.ProgressBar Increases (steps) progress bar
isMatrix.Assert Static method asserting thatan object is a matrix
getIndices.Arguments Coerces to a integer vector and validates
getDoubles.Arguments Coerces to a double vector and validates
readTableIndex Reads a single column from file in table format
getBuiltinRversion.GString Gets the current R version
Verbose Class to writing verbose messages to a connection or file
setLabels.TextStatusBar Sets new values of given labels
setStepLength.ProgressBar Sets default step length
callHooks Call hook functions by hook name
relibrary Reloads a package
saveAnywhere.Settings Saves settings to file
readUTF.Java Reads a Java (UTF-8) formatted string from a connection
writeInt.Java Writes a integer (32 bits) to a connection in Java format
ruler.Verbose Writes a ruler
getIntegers.Arguments Coerces to a integer vector and validates
update.TextStatusBar Updates the status bar (visually)
getLeaves.Options Gets all (non-list) options in a flat list
seqToIntervals Gets all contigous intervals of a vector of indices
wrap.array Reshape an array or a matrix by permuting and/or joining dimensions
copyFile Copies a file safely
writeRaw.NullVerbose All output methods
gunzip Gunzip a file
getNumerics.Arguments Coerces to a numeric vector and validates
remove.FileProgressBar Removes the progress file for a file progress bar
getBuiltinDatetime.GString Gets the current date and time
filePath Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
ProgressBar Provides text based counting progress bar
listDirectory Gets the file names in the directory
Java Static class for Java related methods
NullVerbose A Verbose class ignoring everything
promptAndSave.Settings Prompt user to save modified settings
GString Character string with advanced substitutions
addFinalizerToLast Modifies .Last() to call 'finalizeSession()
str.Options Prints the structure of the options
as.double.Verbose Gets a numeric value of this object
setLabel.TextStatusBar Sets the value of a label
str.Verbose Prints the structure of an object if above threshold
splitByPattern Splits a single character string by pattern
isZero Checks if a value is (close to) zero or not
sourceDirectory Sources files recursively to either local or global environment
writeByte.Java Writes a byte (8 bits) to a connection in Java format
capture.Verbose Captures output of a function
doCall Executes a function call with option to ignore unused arguments
getRelativePath Gets the relative pathname relative to a directory
getAbsolutePath Gets the absolute pathname string
as.character.binmode Converts a binary/octal/hexadecimal number into a string
asShort.Java Converts a numeric to a Java short
cat.Verbose Concatenates and prints objects if above threshold
hasUrlProtocol Checks if one or several pathnames has a URL protocol
getReadablePathname.Arguments Gets a readable pathname
getLogicals.Arguments Coerces to a logical vector and validates
parseDebian.System Parses a string, file or connection for Debian formatted parameters
update.ProgressBar Updates progress bar
getLabel.TextStatusBar Gets the current value of a label
getRegularExpression.Arguments Gets a valid regular expression pattern
getRaw.GString Gets the unprocessed GString
lapply.MultiVerbose Applies a function to each of the Verbose objects
Arguments Static class to validate and process arguments
readTable Reads a file in table format
print.GString Prints the processed GString
getThreshold.Verbose Gets current verbose threshold
currentTimeMillis.System Get the current time in milliseconds
getUsername.System Retrieves the name of the user running R
flush.TextStatusBar Flushes the output
intToBin Converts an integer to a binary/octal/hexadecimal number
getVector.Arguments Validates a vector
SmartComments Abstract class SmartComments
loadObject Method to load object from a file or a connection
getVerbose.Arguments Coerces to Verbose object
getTimestampFormat.Verbose Gets the default timestamp format
asByte.Java Converts a numeric to a Java byte
attachLocally.list Assigns an objects elements locally
as.character.Options Returns a character string version of this object
updateLabels.TextStatusBar Sets the new values of given labels and updates the status bar
compile.SmartComments Preprocess a vector of code lines
convertComment.SmartComments Converts a single smart comment to R code
newline.Verbose Writes one or several empty lines
as.character.GString Gets the processed character string
timestampOn.Verbose Turns automatic timestamping on and off
commandArgs Extract Command Line Arguments
validate.VComments Validates the compiled lines
extract.array Extract a subset of an array, matrix or a vector with unknown dimensions
getBarString.ProgressBar Gets the progress bar string to be displayed
getBuiltinPid.GString Gets the process id of the current R session
eps EPS graphics device
Options The Options class
getVariableValue.GString Gets a variable value given a name and attributes
getEnvironment.Arguments Gets an existing environment
isAbsolutePath Checks if this pathname is absolute
getBuiltinRhome.GString Gets the path where R is installed
isOpen.character Checks if there is an open connection in Rto a file
insert Insert values to a vector at certain positions
names.Options Gets the full pathname of all (non-list) options
toUrl Converts a pathname into a URL
isVisible.Verbose Checks if a certain verbose level will be shown or not
nbrOfOptions.Options Gets the number of options set
isFile Checks if the file specification is a file
openBrowser.System Opens an HTML document using the OS default HTML browser
loadAnywhere.Settings Loads settings from file
isDirectory Checks if the file specification is a directory
isPackageLoaded Checks if a package is loaded or not
isVector.Assert Static method asserting thatan object is a vector
toCamelCase Converts a string of words into a merged camel-cased word
onSessionExit Registers a function to be called when the R session finishes
readByte.Java Reads a Java formatted byte (8 bits) from a connection
printf.Verbose Formats and prints object if above threshold
setTimestampFormat.Verbose Sets the default timestamp format
parse.GString Parses a GString
as.character.ProgressBar Gets a string description of the progress bar
callHooks.function Call hook functions
readInt.Java Reads a Java formatted int (32 bits) from a connection
writeRaw.MultiVerbose Writes to each of the Verbose objects
update.FileProgressBar Updates file progress bar
evaluate.Verbose Evaluates a function and prints its results if above threshold
isVisible.NullVerbose Checks if a certain verbose level will be shown or not
getParent Gets the string of the parent specified by this pathname
popMessage.TextStatusBar Adds a message above the status bar
resetWarnings Resets recorded warnings
VComments The VComments class
writeRaw.Verbose Writes objects if above threshold
unwrap.array Unwrap an array, matrix or a vector to an array of more dimensions
setValue.ProgressBar Sets current value
reset.VComments Resets a VComments compiler
getCharacters.Arguments Coerces to a character vector and validates
inherits.Assert Static method asserting that an object inherits from of a certain class
isDone.ProgressBar Checks if progress bar is completed
parse.SmartComments Parses one single smart comment
touchFile Updates the timestamp of a file
Assert The Assert class
R.utils-package Package R.utils
check.Assert Static method asserting that a generic condition is true
LComments The LComments class
getBuiltinUsername.GString Gets the username of the user running R
lastModified Gets the time when the file was last modified
newline.TextStatusBar Writes a newline
on.Verbose Turn on the output
readWindowsShortcut Reads a Microsoft Windows Shortcut (.lnk file)
summary.Verbose Generates a summary of an object if above threshold
validate.SmartComments Validates the compiled lines
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Date 2008-03-06
License LGPL (>= 2.1)
URL http://www.braju.com/R/
LazyLoad TRUE
Packaged Thu Mar 6 01:49:50 2008; hb

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