R.utils v1.19.3

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Various programming utilities

This package provides utility methods useful when programming and developing R packages.

Functions in R.utils

Name Description
capture.Verbose Captures output of a function
cat.Verbose Concatenates and prints objects if above threshold
extract.array Extract a subset of an array, matrix or a vector with unknown dimensions
Options The Options class
LComments The LComments class
convertComment.VComments Converts a verbose comment to R code
MultiVerbose A Verbose class ignoring everything
System Static class to query information about the system
getIntegers.Arguments Coerces to a integer vector and validates
as.character.GString Gets the processed character string
cleanup.FileProgressBar Removes the progress file for a file progress bar
getBarString.ProgressBar Gets the progress bar string to be displayed
detachPackage Detaches a packages by name
getInstanceOf.Arguments Gets an instance of the object that is of a particular class
getDoubles.Arguments Coerces to a double vector and validates
getBuiltinPid.GString Gets the process id of the current R session
R.utils-package Package R.utils
as.character.Verbose Returns a character string version of this object
Settings Class for applicational settings
asByte.Java Converts a numeric to a Java byte
createWindowsShortcut Creates a Microsoft Windows Shortcut (.lnk file)
exit.Verbose Writes a message and unindents the following output
moveInSearchPath Moves a environment in the search path to another position
flush.TextStatusBar Flushes the output
isOn.NullVerbose Checks if the output is on
createLink Creates a link to a file or a directory
countLines Counts the number of lines in a text file
convertComment.SmartComments Converts a single smart comment to R code
getMessage.TimeoutException Gets the message of the exception
as.list.Options Gets a list representation of the options
getOption.Options Gets an option
writeDataFrame.data.frame Writes a data.frame to tabular text file
onGarbageCollect Registers a function to be called when the R garbage collector is (detected to be) running
getBuiltinRversion.GString Gets the current R version
printf.Verbose Formats and prints object if above threshold
printf C-style formatted output
evalWithTimeout Evaluate an R expression and interrupts it if it takes too long
asInt.Java Converts an numeric to a Java integer
getLogicals.Arguments Coerces to a logical vector and validates
off.Verbose Turn off the output
patchCode Patches installed and loaded packages and more
getHostname.System Retrieves the computer name of the current host
hpaste Concatenating vectors into human-readable strings
intervalsToSeq.matrix Generates a vector of indices from a matrix of intervals
isDirectory Checks if the file specification is a directory
asLong.Java Converts a numeric to a Java long
capitalize Capitalizes/decapitalizes each character string in a vector
getReadablePathnames.Arguments Gets a readable pathname
unwrap.array Unwrap an array, matrix or a vector to an array of more dimensions
readRdHelp Reads one or more Rd help files in a certain format
getTimestampFormat.Verbose Gets the default timestamp format
downloadFile.character Downloads a file
getAbsolutePath Gets the absolute pathname string
renameFile Renames a file safely
isAbsolutePath Checks if this pathname is absolute
getNumerics.Arguments Coerces to a numeric vector and validates
addFinalizerToLast Modifies .Last() to call 'finalizeSession()
print.Verbose Prints objects if above threshold
isDone.ProgressBar Checks if progress bar is completed
commandArgs Extract Command Line Arguments
isScalar.Assert Static method asserting thatan object is a single value
bunzip2 Bunzip a file
TimeoutException TimeoutException represents timeout errors
setProgress.ProgressBar Sets current progress
check.Assert Static method asserting that a generic condition is true
NullVerbose A Verbose class ignoring everything
saveAnywhere.Settings Saves settings to file
isEof.connection Checks if the current file position for a connection is at the 'End of File'
displayCode Displays the contents of a text file with line numbers and more
arrayIndex Converts vector indices to array indices
header.Verbose Writes a header
equals.Options Checks if this object is equal to another Options object
listDirectory Gets the file names in the directory
findSourceTraceback Finds all 'srcfile' objects generated by source() in all call frames
getBuiltinRhome.GString Gets the path where R is installed
mkdirs Creates a directory including any necessary but nonexistent parent directories
getEnvironment.Arguments Gets an existing environment
lastModified Gets the time when the file was last modified
isPackageInstalled Checks if a package is installed or not
getVector.Arguments Validates a vector
getRaw.GString Gets the unprocessed GString
setTimestampFormat.Verbose Sets the default timestamp format
fileAccess Checks the permission of a file or a directory
callHooks.function Call hook functions
pushTemporaryFile Appends a temporary suffix to the pathname
isUrl Checks if one or several pathnames is URLs
hasOption.Options Checks if an option exists
getBuiltinOs.GString Gets the operating system of the running machine
mapToIntervals.numeric Maps values to intervals
readWindowsShellLink Reads a Microsoft Windows Shortcut (.lnk file)
onSessionExit Registers a function to be called when the R session finishes
newline.TextStatusBar Writes a newline
getCharacters.Arguments Coerces to a character vector and validates
setOption.Options Sets an option
isOn.Verbose Checks if the output is on
getLeaves.Options Gets all (non-list) options in a flat list
insert Insert values to a vector at certain positions
sourceTo Parses and evaluates code from a file or a connection
setStepLength.ProgressBar Sets default step length
names.Options Gets the full pathname of all (non-list) options
getUsername.System Retrieves the name of the user running R
getVariableValue.GString Gets a variable value given a name and attributes
sourceDirectory Sources files recursively to either local or global environment
parse.GString Parses a GString
inAnyInterval.numeric Checks if a set of values are inside one or more intervals
popBackupFile Drops a backup suffix from the backup pathname
ruler.Verbose Writes a ruler
removeDirectory Removes a directory
pushState.Verbose Pushes the current indentation state of the Verbose object
loadToEnv Method to load objects to a new environment
setLabels.TextStatusBar Sets new values of given labels
getThreshold.Verbose Gets current verbose threshold
isVisible.Verbose Checks if a certain verbose level will be shown or not
parseDebian.System Parses a string, file or connection for Debian formatted parameters
increase.ProgressBar Increases (steps) progress bar
writeUTF.Java Writes a string to a connection in Java format (UTF-8)
systemR Launches another R process from within R
setThreshold.Verbose Sets verbose threshold
as.character.ProgressBar Gets a string description of the progress bar
reset.ProgressBar Reset progress bar
getRelativePath Gets the relative pathname relative to a directory
on.Verbose Turn on the output
reassignInPackage Re-assigns a new value to an existing object in a loaded package
evalCapture Evaluates an expression and captures the code and/or the output
compile.SmartComments Preprocess a vector of code lines
touchFile Updates the timestamp of a file
wrap.array Reshape an array or a matrix by permuting and/or joining dimensions
FileProgressBar A progress bar that sets the size of a file accordingly
findGraphicsDevice.System Searches for a working PNG device
isSingle Identifies all entries that exists exactly ones
Non-documented objects Non-documented objects
swapXY.density Swaps x and y coordinates of a density object
dataFrame Allocates a data frame with given column classes
getBuiltinHostname.GString Gets the hostname of the system running R
str.Options Prints the structure of the options
GString Character string with advanced substitutions
createFileAtomically Creates a file atomically
loadAnywhere.Settings Loads settings from file
isMatrix.Assert Static method asserting thatan object is a matrix
dimNA< - Sets the dimension of an object with the option to infer one dimension autmatically
readInt.Java Reads a Java formatted int (32 bits) from a connection
validate.VComments Validates the compiled lines
update.FileProgressBar Updates file progress bar
saveObject Saves an object to a file or a connection
env Creates a new environment, evaluates an expression therein, and returns the environment
equals.Verbose Checks if this object is equal to another
setDefaultLevel.Verbose Sets the current default verbose level
writeShort.Java Writes a short (16 bits) to a connection in Java format
update.TextStatusBar Updates the status bar (visually)
writeInt.Java Writes a integer (32 bits) to a connection in Java format
filePath Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
writeRaw.NullVerbose All output methods
getBuiltinTime.GString Gets the current time
colClasses Creates a vector of column classes used for tabular reading
copyDirectory Copies a directory
getBuiltinDate.GString Gets the current date
getLabel.TextStatusBar Gets the current value of a label
getParent Gets the string of the parent specified by this pathname
print.GString Prints the processed GString
setOption Sets a option in R
getIndices.Arguments Coerces to a integer vector and validates
getVerbose.Arguments Coerces to Verbose object
enter.Verbose Writes a message and indents the following output
getRegularExpression.Arguments Gets a valid regular expression pattern
validate.SmartComments Validates the compiled lines
inherits.Assert Static method asserting that an object inherits from of a certain class
isVisible.NullVerbose Checks if a certain verbose level will be shown or not
timestamp.Verbose Writes a timestamp
gzip Gzip/Gunzip a file
ProgressBar Provides text based counting progress bar
isOpen.character Checks if there is an open connection to a file
isFile Checks if the file specification is a file
as.logical.Verbose Gets a logical value of this object
asShort.Java Converts a numeric to a Java short
less.Verbose Creates a cloned instance with a higher threshold
popMessage.TextStatusBar Adds a message above the status bar
pushBackupFile Appends a backup suffix to the pathname
currentTimeMillis.System Get the current time in milliseconds
nbrOfOptions.Options Gets the number of options set
parse.SmartComments Parses one single smart comment
warnings.Verbose Outputs any warnings recorded
doCall Executes a function call with option to ignore unused arguments
attachLocally.list Assigns an objects elements locally
reset.SmartComments Resets a SmartComments compiler
queryRCmdCheck Gets the on R CMD check if the current R session was launched by it
readBinFragments Reads binary data from disjoint sections of a connection or a file
resample Sample values from a set of elements
setValue.ProgressBar Sets current value
readTableIndex Reads a single column from file in table format
draw.density Draws a density curve
Java Static class for Java related methods
updateLabels.TextStatusBar Sets the new values of given labels and updates the status bar
setTicks.ProgressBar Sets values for which ticks should be visible
Assert The Assert class
evaluate.Verbose Evaluates a function and prints its results if above threshold
seqToIntervals Gets all contigous intervals of a vector of indices
getBuiltinDatetime.GString Gets the current date and time
summary.Verbose Generates a summary of an object if above threshold
setMaxValue.ProgressBar Sets maximum value
Verbose Class to writing verbose messages to a connection or file
str.Verbose Prints the structure of an object if above threshold
as.character.binmode Converts a binary/octal/hexadecimal number into a string
getReadablePathname.Arguments Gets a readable pathname
findFiles Finds one or several files in multiple directories
getLoadedPathname.Settings Gets the pathname of the settings file loaded
writeBinFragments Writes binary data to disjoint sections of a connection or a file
mergeIntervals.numeric Merges intervals
subplots Creates a grid of subplots
isZero Checks if a value is (close to) zero or not
toUrl Converts a pathname into a URL
isPackageLoaded Checks if a package is loaded or not
as.list.MultiVerbose Gets a list of Verbose objects
isModified.Settings Checks if settings has been modified compared to whats on file
findSettings.Settings Searches for the settings file in one or several directories
isReplicated Identifies all entries with replicated values
loadObject Method to load object from a file or a connection
newline.Verbose Writes one or several empty lines
promptAndSave.Settings Prompt user to save modified settings
readWindowsShortcut Reads a Microsoft Windows Shortcut (.lnk file)
toCamelCase Converts a string of words into a merged camel-cased word
readTable Reads a file in table format
setLabel.TextStatusBar Sets the value of a label
Arguments Static class to validate and process arguments
as.character.Options Returns a character string version of this object
VComments The VComments class
finalizeSession Function to call for finalizing the R session
getFilename.Arguments Gets and validates a filename
hasUrlProtocol Checks if one or several pathnames has a URL protocol
openBrowser.System Opens an HTML document using the OS default HTML browser
reset.VComments Resets a VComments compiler
update.ProgressBar Updates progress bar
writeRaw.Verbose Writes objects if above threshold
stext Writes text in the margin along the sides of a plot
TextStatusBar A status bar at the R prompt that can be updated
callHooks Call hook functions by hook name
isVector.Assert Static method asserting thatan object is a vector
readShort.Java Reads a Java formatted short (16 bits) from a connection
popTemporaryFile Drops a temporary suffix from the temporary pathname
writeByte.Java Writes a byte (8 bits) to a connection in Java format
seqToHumanReadable Gets a short human readable string representation of an vector of indices
SmartComments Abstract class SmartComments
as.double.Verbose Gets a numeric value of this object
copyFile Copies a file safely
findGhostscript.System Searches for the ghostview binary on the current system
getBuiltinUsername.GString Gets the username of the user running R
timestampOn.Verbose Turns automatic timestamping on and off
getWritablePathname.Arguments Gets a writable pathname
intToBin Converts an integer to a binary/octal/hexadecimal number
more.Verbose Creates a cloned instance with a lower threshold
readByte.Java Reads a Java formatted byte (8 bits) from a connection
readUTF.Java Reads a Java (UTF-8) formatted string from a connection
resetWarnings Resets recorded warnings
splitByPattern Splits a single character string by pattern
writeRaw.MultiVerbose Writes to each of the Verbose objects
whichVector.logical Identifies TRUE elements in a logical vector
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Date 2012-12-19
License LGPL (>= 2.1)
LazyLoad TRUE
Packaged 2012-12-19 23:10:27 UTC; hb
Repository CRAN
Date/Publication 2012-12-22 10:47:28

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