R.utils v1.3.2


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


Date 2010-01-09
License LGPL (>= 2.1)
URL http://www.braju.com/R/
LazyLoad TRUE
Packaged 2010-01-22 18:00:26 UTC; hb
Repository CRAN
Date/Publication 2010-01-22 18:29:46

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