R.utils v0.9.8

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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
as.double.Verbose Gets a numeric value of this object
Options The Options class
Sys.setenv Sys.setenv
asLong.Java Converts a numeric to a Java long
Arguments Static class to validate and process arguments
isScalar.Assert Static method asserting thatan object is a single value
moveInSearchPath Moves a environment in the search path to another position
as.character.Verbose Returns a character string version of this object
eps EPS graphics device
evaluate.Verbose Evaluates a function and prints its results if above threshold
findGhostscript.System Searches for the ghostview binary on the current system
getBarString.ProgressBar Gets the progress bar string to be displayed
Assert The Assert class
addFinalizerToLast Modifies .Last() to call 'finalizeSession()
bunzip2 Bunzip a file
getBuiltinRversion.GString Gets the current R version
ProgressBar Provides text based counting progress bar
Settings Class for applicational settings
FileProgressBar A progress bar that sets the size of a file accordingly
currentTimeMillis.System Get the current time in milliseconds
Java Static class for Java related methods
getLoadedPathname.Settings Gets the pathname of the settings file loaded
as.logical.Verbose Gets a logical value of this object
callHooks.function Call hook functions
capture.Verbose Captures output of a function
TextStatusBar A status bar at the R prompt that can be updated
NullVerbose A Verbose class ignoring everything
MultiVerbose A Verbose class ignoring everything
gunzip Gunzip a file
isUrl Checks if one or several pathnames is URLs
getLabel.TextStatusBar Gets the current value of a label
getRegularExpression.Arguments Gets a valid regular expression pattern
as.character.Options Returns a character string version of this object
readByte.Java Reads a Java formatted byte (8 bits) from a connection
getVariableValue.GString Gets a variable value given a name and attributes
isDirectory Checks if the file specification is a directory
isVector.Assert Static method asserting thatan object is a vector
getOption.Options Gets an option
SmartComments Abstract class SmartComments
sourceTo Parses and evaluates code from a file or a connection
isOn.NullVerbose Checks if the output is on
arrayIndex Converts vector indices to array indices
getReadablePathnames.Arguments Gets a readable pathname
inherits.Assert Static method asserting that an object inherits from of a certain class
isModified.Settings Checks if settings has been modified compared to whats on file
VComments The VComments class
getUsername.System Retrieves the name of the user running R
as.character.ProgressBar Gets a string description of the progress bar
isAbsolutePath Checks if this pathname is absolute
isFile Checks if the file specification is a file
printf.Verbose Formats and prints object if above threshold
GString Character string with advanced substitutions
reset.SmartComments Resets a SmartComments compiler
newline.Verbose Writes one or several empty lines
mkdirs Creates a directory including any necessary but nonexistent parent directories
names.Options Gets the full pathname of all (non-list) options
asInt.Java Converts an numeric to a Java integer
isVisible.NullVerbose Checks if a certain verbose level will be shown or not
displayCode Displays the contents of a text file with line numbers and more
less.Verbose Creates a cloned instance with a higher threshold
loadToEnv Method to load objects to a new environment
relibrary Reloads a package
saveAnywhere.Settings Saves settings to file
parseDebian.System Parses a string, file or connection for Debian formatted parameters
loadAnywhere.Settings Loads settings from file
resetWarnings Resets recorded warnings
as.list.Options Gets a list representation of the options
asShort.Java Converts a numeric to a Java short
getVector.Arguments Validates a vector
convertComment.SmartComments Converts a single smart comment to R code
png2 A PNG device for Bitmap Files via GhostScript
R.utils-package Package R.utils
setMaxValue.ProgressBar Sets maximum value
cat.Verbose Concatenates and prints objects if above threshold
callHooks Call hook functions by hook name
remove.FileProgressBar Removes the progress file for a file progress bar
pushState.Verbose Pushes the current indentation state of the Verbose object
Non-documented objects Non-documented objects
isVisible.Verbose Checks if a certain verbose level will be shown or not
copyDirectory Copies a directory
setTimestampFormat.Verbose Sets the default timestamp format
readShort.Java Reads a Java formatted short (16 bits) from a connection
check.Assert Static method asserting that a generic condition is true
nbrOfOptions.Options Gets the number of options set
attachLocally.list Assigns an objects elements locally
saveObject Saves an object to a file or a connection
as.character.binmode Converts a binary/octal/hexadecimal number into a string
capitalize Capitalizes/decapitalizes each character string in a vector
findSettings.Settings Searches for the settings file in one or several directories
getWritablePathname.Arguments Gets a writable pathname
reset.ProgressBar Reset progress bar
off.Verbose Turn off the output
getBuiltinDate.GString Gets the current date
enter.Verbose Writes a message and indents the following output
getBuiltinHostname.GString Gets the hostname of the system running R
equals.Options Checks if this object is equal to another Options object
compile.SmartComments Preprocess a vector of code lines
equals.Verbose Checks if this object is equal to another
getHostname.System Retrieves the computer name of the current host
flush.TextStatusBar Flushes the output
getLogicals.Arguments Coerces to a logical vector and validates
System Static class to query information about the system
setValue.ProgressBar Sets current value
getBuiltinTime.GString Gets the current time
listDirectory Gets the file names in the directory
openBrowser.System Opens an HTML document using the OS default HTML browser
getThreshold.Verbose Gets current verbose threshold
getBuiltinRhome.GString Gets the path where R is installed
hasUrlProtocol Checks if one or several pathnames has a URL protocol
setThreshold.Verbose Sets verbose threshold
print.Verbose Prints objects if above threshold
filePath Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
print.GString Prints the processed GString
setStepLength.ProgressBar Sets default step length
getNumerics.Arguments Coerces to a numeric vector and validates
getBuiltinUsername.GString Gets the username of the user running R
isOn.Verbose Checks if the output is on
getParent Gets the string of the parent specified by this pathname
asByte.Java Converts a numeric to a Java byte
readInt.Java Reads a Java formatted int (32 bits) from a connection
increase.ProgressBar Increases (steps) progress bar
dataFrame Allocates a data frame with given column classes
jpeg2 A JPEG device for Bitmap Files via GhostScript
getBuiltinOs.GString Gets the operating system of the running machine
getCharacters.Arguments Coerces to a character vector and validates
setLabels.TextStatusBar Sets new values of given labels
isEof.connection Checks if the current file position for a connection is at the 'End of File'
getIndices.Arguments Coerces to a integer vector and validates
getRaw.GString Gets the unprocessed GString
findGraphicsDevice.System Searches for a working PNG device
intToBin Converts an integer to a binary/octal/hexadecimal number
getIntegers.Arguments Coerces to a integer vector and validates
isMatrix.Assert Static method asserting thatan object is a matrix
readTable Reads a file in table format
getAbsolutePath Gets the absolute pathname string
getEnvironment.Arguments Gets an existing environment
getBuiltinDatetime.GString Gets the current date and time
setDefaultLevel.Verbose Sets the current default verbose level
ruler.Verbose Writes a ruler
lapply.MultiVerbose Applies a function to each of the Verbose objects
setProgress.ProgressBar Sets current progress
on.Verbose Turn on the output
getReadablePathname.Arguments Gets a readable pathname
setLabel.TextStatusBar Sets the value of a label
extract.array Extract a subset of an array, matrix or a vector with unknown dimensions
writeRaw.MultiVerbose Writes to each of the Verbose objects
writeInt.Java Writes a integer (32 bits) to a connection in Java format
isDone.ProgressBar Checks if progress bar is completed
finalizeSession Function to call for finalizing the R session
isOpen.character Checks if there is an open connection in Rto a file
getTimestampFormat.Verbose Gets the default timestamp format
getRelativePath Gets the relative pathname relative to a directory
onSessionExit Registers a function to be called when the R session finishes
writeByte.Java Writes a byte (8 bits) to a connection in Java format
detachPackage Detaches a packages by name
wrap.array Reshape an array or a matrix by permuting and/or joining dimensions
writeRaw.NullVerbose All output methods
patchCode Patches installed and loaded packages and more
insert Insert values to a vector at certain positions
header.Verbose Writes a header
writeUTF.Java Writes a string to a connection in Java format (UTF-8)
more.Verbose Creates a cloned instance with a lower threshold
promptAndSave.Settings Prompt user to save modified settings
loadObject Method to load object from a file or a connection
copyFile Copies a file safely
readTableIndex Reads a single column from file in table format
parse.GString Parses a GString
reassignInPackage Re-assigns a new value to an existing object in a loaded package
getBuiltinPid.GString Gets the process id of the current R session
commandArgs Extract Command Line Arguments
readWindowsShortcut Reads a Microsoft Windows Shortcut (.lnk file)
toUrl Converts a pathname into a URL
summary.Verbose Generates a summary of an object if above threshold
parse.SmartComments Parses one single smart comment
popMessage.TextStatusBar Adds a message above the status bar
LComments The LComments class
warnings.Verbose Outputs any warnings recorded
convertComment.VComments Converts a verbose comment to R code
getLeaves.Options Gets all (non-list) options in a flat list
setTicks.ProgressBar Sets values for which ticks should be visible
hasOption.Options Checks if an option exists
getDoubles.Arguments Coerces to a double vector and validates
exit.Verbose Writes a message and unindents the following output
isZero Checks if a value is (close to) zero or not
timestamp.Verbose Writes a timestamp
unwrap.array Unwrap an array, matrix or a vector to an array of more dimensions
splitByPattern Splits a single character string by pattern
lastModified Gets the time when the file was last modified
newline.TextStatusBar Writes a newline
reset.VComments Resets a VComments compiler
writeRaw.Verbose Writes objects if above threshold
update.ProgressBar Updates progress bar
update.FileProgressBar Updates file progress bar
readUTF.Java Reads a Java (UTF-8) formatted string from a connection
sourceDirectory Sources files recursively to either local or global environment
timestampOn.Verbose Turns automatic timestamping on and off
validate.SmartComments Validates the compiled lines
update.TextStatusBar Updates the status bar (visually)
updateLabels.TextStatusBar Sets the new values of given labels and updates the status bar
writeShort.Java Writes a short (16 bits) to a connection in Java format
str.Verbose Prints the structure of an object if above threshold
toCamelCase Converts a string of words into a merged camel-cased word
str.Options Prints the structure of the options
Verbose Class to writing verbose messages to a connection or file
doCall Executes a function call with option to ignore unused arguments
getVerbose.Arguments Coerces to Verbose object
seqToHumanReadable Gets a short human readable string representation of an vector of indices
setOption.Options Sets an option
seqToIntervals Gets all contigous intervals of a vector of indices
validate.VComments Validates the compiled lines
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Date 2007-11-26
License LGPL version 2.1 or newer (the releases)
URL http://www.braju.com/R/
DevelURL http://www.maths.lth.se/help/R/
LazyLoad TRUE
Packaged Wed Nov 28 10:40:08 2007; hb

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