R.utils v1.4.3

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

Date 2010-06-23
License LGPL (>= 2.1)
URL http://www.braju.com/R/
LazyLoad TRUE
Repository CRAN
Repository/R-Forge/Project r-dots
Repository/R-Forge/Revision 371
Date/Publication 2010-07-03 16:18:51
Packaged 2010-06-23 20:36:30 UTC; rforge

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