R.utils v1.32.4


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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
cmdArgs Simple access to parsed command-line arguments
arrayIndex Converts vector indices to array indices
R.utils-package Package R.utils
NullVerbose A Verbose class ignoring everything
removeDirectory Removes a directory
Arguments$getCharacters Coerces to a character vector and validates
SmartComments Abstract class SmartComments
Arguments$getNumerics Coerces to a numeric vector and validates
extract.array Extract a subset of an array, matrix or a vector with unknown dimensions
FileProgressBar A progress bar that sets the size of a file accordingly
addFinalizerToLast Modifies .Last() to call 'finalizeSession()
getRelativePath Gets the relative pathname relative to a directory
fileAccess Checks the permission of a file or a directory
createLink Creates a link to a file or a directory
VComments The VComments class
as.double.Verbose Gets a numeric value of this object
Arguments$getWritablePathname Gets a writable pathname
loadAnywhere.Settings Loads settings from file
getBarString.ProgressBar Gets the progress bar string to be displayed
getAbsolutePath Gets the absolute pathname string
capitalize Capitalizes/decapitalizes each character string in a vector
Java$writeShort Writes a short (16 bits) to a connection in Java format
callHooks Call hook functions by hook name
MultiVerbose A Verbose class ignoring everything
Assert$isVector Static method asserting thatan object is a vector
GString$getBuiltinOs Gets the operating system of the running machine
convertComment.VComments Converts a verbose comment to R code
as.character.Verbose Returns a character string version of this object
withRepos Evaluate an R expression with repositories set temporarily
as.character.Options Returns a character string version of this object
Java$asLong Converts a numeric to a Java long
Arguments$getReadablePathname Gets a readable pathname
listDirectory Gets the file names in the directory
cat.Verbose Concatenates and prints objects if above threshold
Sys.readlink2 Read File Symbolic Links (also on Windows)
Options The Options class
captureOutput Evaluate an R expression and captures the output
Java$asByte Converts a numeric to a Java byte
flush.TextStatusBar Flushes the output
GString$getBuiltinTime Gets the current time
names.Options Gets the full pathname of all (non-list) options
Java Static class for Java related methods
as.character.ProgressBar Gets a string description of the progress bar
isModified.Settings Checks if settings has been modified compared to whats on file
Java$asInt Converts an numeric to a Java integer
mergeIntervals.numeric Merges intervals
getLabel.TextStatusBar Gets the current value of a label
colClasses Creates a vector of column classes used for tabular reading
Arguments$getInstanceOf Gets an instance of the object that is of a particular class
LComments The LComments class
gcat Parses, evaluates and outputs a GString
getTimestampFormat.Verbose Gets the default timestamp format
finalizeSession Function to call for finalizing the R session
parse.GString Parses a GString
copyFile Copies a file atomically
Verbose Class to writing verbose messages to a connection or file
whichVector.logical Identifies TRUE elements in a logical vector
bunzip2 Bunzip a file
copyDirectory Copies a directory
TimeoutException TimeoutException represents timeout errors
PERCENT< -PERCENT Assignment operator for delayed assignments
nbrOfOptions.Options Gets the number of options set
as.logical.Verbose Gets a logical value of this object
header.Verbose Writes a header
more.Verbose Creates a cloned instance with a lower threshold
GString$getBuiltinRversion Gets the current R version
compile.SmartComments Preprocess a vector of code lines
ProgressBar Provides text based counting progress bar
GString Character string with advanced substitutions
convertComment.SmartComments Converts a single smart comment to R code
as.character.binmode Converts a binary/octal/hexadecimal number into a string
loadObject Method to load object from a file or a connection
attachLocally.list Assigns an objects elements locally
capture.Verbose Captures output of a function
as.list.Options Gets a list representation of the options
GString$getBuiltinUsername Gets the username of the user running R
reassignInPackage Re-assigns a new value to an existing object in a loaded package
createFileAtomically Creates a file atomically
GString$getBuiltinDate Gets the current date
System$findGhostscript Searches for a Ghostview executable on the current system
egsub Global substitute of expression using regular expressions
commandArgs Extract command-line arguments
isDone.ProgressBar Checks if progress bar is completed
Assert$isMatrix Static method asserting thatan object is a matrix
TextStatusBar A status bar at the R prompt that can be updated
getLoadedPathname.Settings Gets the pathname of the settings file loaded
saveAnywhere.Settings Saves settings to file
displayCode Displays the contents of a text file with line numbers and more
System$openBrowser Opens an HTML document using the OS default HTML browser
getRaw.GString Gets the unprocessed GString
Arguments$getVector Validates a vector
patchCode Patches installed and loaded packages and more
isUrl Checks if one or several pathnames is URLs
Settings$findSettings Searches for the settings file in one or several directories
inAnyInterval.numeric Checks if a set of values are inside one or more intervals
printf.Verbose Formats and prints object if above threshold
setLabel.TextStatusBar Sets the value of a label
Assert$isScalar Static method asserting thatan object is a single value
isVisible.Verbose Checks if a certain verbose level will be shown or not
readWindowsShortcut Reads a Microsoft Windows Shortcut (.lnk file)
GString$getBuiltinHostname Gets the hostname of the system running R
equals.Verbose Checks if this object is equal to another
less.Verbose Creates a cloned instance with a higher threshold
draw.density Draws a density curve
print.Verbose Prints objects if above threshold
System$currentTimeMillis Get the current time in milliseconds
mkdirs Creates a directory including any necessary but nonexistent parent directories
str.Verbose Prints the structure of an object if above threshold
setProgress.ProgressBar Sets current progress
lastModified Gets the time when the file was last modified
getOption.Options Gets an option
setMaxValue.ProgressBar Sets maximum value
touchFile Updates the timestamp of a file
setThreshold.Verbose Sets verbose threshold
writeRaw.Verbose Writes objects if above threshold
promptAndSave.Settings Prompt user to save modified settings
setOption Sets a option in R
printf C-style formatted output
resetWarnings Resets recorded warnings
queryRCmdCheck Gets the on R CMD check if the current R session was launched by it
moveInSearchPath Moves a environment in the search path to another position
findFiles Finds one or several files in multiple directories
Java$writeByte Writes a byte (8 bits) to a connection in Java format
isPackageLoaded Checks if a package is loaded or not
writeRaw.MultiVerbose Writes to each of the Verbose objects
getParent Gets the string of the parent specified by this pathname
detachPackage Detaches packages by name
loadToEnv Method to load objects to a new environment
getThreshold.Verbose Gets current verbose threshold
stext Writes text in the margin along the sides of a plot
hpaste Concatenating vectors into human-readable strings
GString$getBuiltinRhome Gets the path where R is installed
Arguments$getIntegers Coerces to a integer vector and validates
validate.SmartComments Validates the compiled lines
validate.VComments Validates the compiled lines
getMessage.TimeoutException Gets the message of the exception
as.character.GString Gets the processed character string
createWindowsShortcut Creates a Microsoft Windows Shortcut (.lnk file)
Java$asShort Converts a numeric to a Java short
reset.VComments Resets a VComments compiler
System$getHostname Retrieves the computer name of the current host
pushBackupFile Appends a backup suffix to the pathname
timestampOn.Verbose Turns automatic timestamping on and off
filePath Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
hasOption.Options Checks if an option exists
isZero Checks if a value is (close to) zero or not
GString$getBuiltinPid Gets the process id of the current R session
isReplicated Identifies all entries with replicated values
doCall Executes a function call with option to ignore unused arguments
intervalsToSeq.matrix Generates a vector of indices from a matrix of intervals
setLabels.TextStatusBar Sets new values of given labels
enter.Verbose Writes a message and indents the following output
GString$getVariableValue Gets a variable value given a name and attributes
cmdArgsCall Calls an R function passing command-line arguments
mapToIntervals.numeric Maps values to intervals
exit.Verbose Writes a message and unindents the following output
isPackageInstalled Checks if a package is installed or not
dataFrame Allocates a data frame with given column classes
Arguments$getEnvironment Gets an existing environment
onSessionExit Registers a function to be called when the R session finishes
on.Verbose Turn on the output
Assert$inherits Static method asserting that an object inherits from of a certain class
popTemporaryFile Drops a temporary suffix from the temporary pathname
use Attaches or loads packages
sourceDirectory Sources files recursively to either local or global environment
setValue.ProgressBar Sets current value
evaluate.Verbose Evaluates a function and prints its results if above threshold
intToBin Converts an integer to a binary/octal/hexadecimal number
popMessage.TextStatusBar Adds a message above the status bar
withCapture Evaluates an expression and captures the code and/or the output
useRepos Sets package repositories
pushState.Verbose Pushes the current indentation state of the Verbose object
GString$getBuiltinDatetime Gets the current date and time
Java$readUTF Reads a Java (UTF-8) formatted string from a connection
warnings.Verbose Outputs any warnings recorded
withTimeout Evaluate an R expression and interrupts it if it takes too long
withOptions Evaluate an R expression with options set temporarily
isOn.NullVerbose Checks if the output is on
readBinFragments Reads binary data from disjoint sections of a connection or a file
newline.TextStatusBar Writes a newline
swapXY.density Swaps x and y coordinates of a density object
summary.Verbose Generates a summary of an object if above threshold
Arguments$getVerbose Coerces to Verbose object
reset.ProgressBar Reset progress bar
installPackages Install R packages by name or URL
saveObject Saves an object to a file or a connection
Arguments$getRegularExpression Gets a valid regular expression pattern
toCamelCase Converts a string of words into a merged camel-cased word
isEof.connection Checks if the current file position for a connection is at the 'End of File'
isOpen.character Checks if there is an open connection to a file
ruler.Verbose Writes a ruler
wrap.array Reshape an array or a matrix by permuting and/or joining dimensions
subplots Creates a grid of subplots
isDirectory Checks if the file specification is a directory
increase.ProgressBar Increases (steps) progress bar
readWindowsShellLink Reads a Microsoft Windows Shortcut (.lnk file)
env Creates a new environment, evaluates an expression therein, and returns the environment
isVisible.NullVerbose Checks if a certain verbose level will be shown or not
System$parseDebian Parses a string, file or connection for Debian formatted parameters
systemR Launches another R process from within R
Java$writeInt Writes a integer (32 bits) to a connection in Java format
setTimestampFormat.Verbose Sets the default timestamp format
gzip Gzip/Gunzip a file
isAbsolutePath Checks if this pathname is absolute
pushTemporaryFile Appends a temporary suffix to the pathname
tempvar Gets a unique non-existing temporary variable name
updateLabels.TextStatusBar Sets the new values of given labels and updates the status bar
sourceTo Parses and evaluates code from a file or a connection
writeBinFragments Writes binary data to disjoint sections of a connection or a file
writeDataFrame.data.frame Writes a data.frame to tabular text file
readTable Reads a file in table format
readTableIndex Reads a single column from file in table format
update.TextStatusBar Updates the status bar (visually)
str.Options Prints the structure of the options
timestamp.Verbose Writes a timestamp
off.Verbose Turn off the output
newline.Verbose Writes one or several empty lines
setOption.Options Sets an option
reset.SmartComments Resets a SmartComments compiler
update.ProgressBar Updates progress bar
setTicks.ProgressBar Sets values for which ticks should be visible
onGarbageCollect Registers a function to be called when the R garbage collector is (detected to be) running
print.GString Prints the processed GString
Java$writeUTF Writes a string to a connection in Java format (UTF-8)
unwrap.array Unwrap an array, matrix or a vector to an array of more dimensions
Assert The Assert class
Settings Class for applicational settings
Non-documented objects Non-documented objects
Assert$check Static method asserting that a generic condition is true
cleanup.FileProgressBar Removes the progress file for a file progress bar
callHooks.function Call hook functions
eget Gets a variable by name
equals.Options Checks if this object is equal to another Options object
findSourceTraceback Finds all 'srcfile' objects generated by source() in all call frames
Arguments$getIndices Coerces to a integer vector and validates
Arguments$getReadablePathnames Gets a readable pathname
getLeaves.Options Gets all (non-list) options in a flat list
isOn.Verbose Checks if the output is on
seqToIntervals Gets all contigous intervals of a vector of indices
setStepLength.ProgressBar Sets default step length
resample Sample values from a set of elements
writeRaw.NullVerbose All output methods
System Static class to query information about the system
as.list.MultiVerbose Gets a list of Verbose objects
countLines Counts the number of lines in a text file
dimNA< - Sets the dimension of an object with the option to infer one dimension autmatically
Arguments$getDoubles Coerces to a double vector and validates
Arguments$getFilename Gets and validates a filename
System$getUsername Retrieves the name of the user running R
insert Insert values to a vector at certain positions
popBackupFile Drops a backup suffix from the backup pathname
parse.SmartComments Parses one single smart comment
Java$readByte Reads a Java formatted byte (8 bits) from a connection
Java$readInt Reads a Java formatted int (32 bits) from a connection
update.FileProgressBar Updates file progress bar
isFile Checks if the file specification is a file
hasUrlProtocol Checks if one or several pathnames has a URL protocol
Arguments$getLogicals Coerces to a logical vector and validates
isSingle Identifies all entries that exists exactly ones
renameFile Renames a file (or a directory) atomically/safely
seqToHumanReadable Gets a short human readable string representation of an vector of indices
setDefaultLevel.Verbose Sets the current default verbose level
toUrl Converts a pathname into a URL
splitByPattern Splits a single character string by pattern
Java$readShort Reads a Java formatted short (16 bits) from a connection
Arguments Static class to validate and process arguments
downloadFile.character Downloads a file
evaluate.GString Parses and evaluates a GString
System$findGraphicsDevice Searches for a working PNG device
readRdHelp Reads one or more Rd help files in a certain format
file.info2 Extract File Information (acknowledging symbolic file links also on Windows)
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Last month downloads


Date 2014-05-14
License LGPL (>= 2.1)
LazyLoad TRUE
Packaged 2014-05-15 21:17:31 UTC; hb
NeedsCompilation no
Repository CRAN
Date/Publication 2014-05-16 01:46:28

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