R.utils v1.26.0

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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
evalCapture Evaluates an expression and captures the code and/or the output
loadToEnv Method to load objects to a new environment
MultiVerbose A Verbose class ignoring everything
copyDirectory Copies a directory
Verbose Class to writing verbose messages to a connection or file
cat.Verbose Concatenates and prints objects if above threshold
NullVerbose A Verbose class ignoring everything
addFinalizerToLast Modifies .Last() to call 'finalizeSession()
Java Static class for Java related methods
env Creates a new environment, evaluates an expression therein, and returns the environment
evaluate.Verbose Evaluates a function and prints its results if above threshold
FileProgressBar A progress bar that sets the size of a file accordingly
mergeIntervals.numeric Merges intervals
Java$asShort Converts a numeric to a Java short
System$openBrowser Opens an HTML document using the OS default HTML browser
compile.SmartComments Preprocess a vector of code lines
resetWarnings Resets recorded warnings
detachPackage Detaches a packages by name
as.character.Options Returns a character string version of this object
mapToIntervals.numeric Maps values to intervals
as.character.GString Gets the processed character string
Settings Class for applicational settings
arrayIndex Converts vector indices to array indices
callHooks.function Call hook functions
Arguments$getRegularExpression Gets a valid regular expression pattern
as.double.Verbose Gets a numeric value of this object
Java$asByte Converts a numeric to a Java byte
intervalsToSeq.matrix Generates a vector of indices from a matrix of intervals
resample Sample values from a set of elements
getAbsolutePath Gets the absolute pathname string
hasOption.Options Checks if an option exists
gstring Parses and evaluates a GString into a regular string
VComments The VComments class
GString$getBuiltinRhome Gets the path where R is installed
as.list.Options Gets a list representation of the options
draw.density Draws a density curve
isDirectory Checks if the file specification is a directory
Assert The Assert class
evalWithTimeout Evaluate an R expression and interrupts it if it takes too long
Non-documented objects Non-documented objects
SmartComments Abstract class SmartComments
R.utils-package Package R.utils
inAnyInterval.numeric Checks if a set of values are inside one or more intervals
as.character.ProgressBar Gets a string description of the progress bar
Arguments$getReadablePathname Gets a readable pathname
cleanup.FileProgressBar Removes the progress file for a file progress bar
Arguments$getEnvironment Gets an existing environment
parse.GString Parses a GString
System$currentTimeMillis Get the current time in milliseconds
callHooks Call hook functions by hook name
onSessionExit Registers a function to be called when the R session finishes
listDirectory Gets the file names in the directory
Arguments$getVerbose Coerces to Verbose object
System$getUsername Retrieves the name of the user running R
copyFile Copies a file safely
GString$getBuiltinOs Gets the operating system of the running machine
isOn.Verbose Checks if the output is on
System$findGraphicsDevice Searches for a working PNG device
convertComment.SmartComments Converts a single smart comment to R code
capture.Verbose Captures output of a function
getOption.Options Gets an option
createFileAtomically Creates a file atomically
System$findGhostscript Searches for a Ghostview executable on the current system
TextStatusBar A status bar at the R prompt that can be updated
Settings$findSettings Searches for the settings file in one or several directories
GString$getBuiltinTime Gets the current time
System$parseDebian Parses a string, file or connection for Debian formatted parameters
capitalize Capitalizes/decapitalizes each character string in a vector
gcat Parses, evaluates and outputs a GString
isEof.connection Checks if the current file position for a connection is at the 'End of File'
Arguments$getReadablePathnames Gets a readable pathname
moveInSearchPath Moves a environment in the search path to another position
commandArgs Extract command-line arguments
colClasses Creates a vector of column classes used for tabular reading
setLabel.TextStatusBar Sets the value of a label
setValue.ProgressBar Sets current value
systemR Launches another R process from within R
displayCode Displays the contents of a text file with line numbers and more
hasUrlProtocol Checks if one or several pathnames has a URL protocol
GString$getBuiltinHostname Gets the hostname of the system running R
Arguments$getIndices Coerces to a integer vector and validates
Arguments$getFilename Gets and validates a filename
convertComment.VComments Converts a verbose comment to R code
isZero Checks if a value is (close to) zero or not
isOn.NullVerbose Checks if the output is on
GString$getBuiltinPid Gets the process id of the current R session
str.Options Prints the structure of the options
Arguments$getInstanceOf Gets an instance of the object that is of a particular class
enter.Verbose Writes a message and indents the following output
GString$getBuiltinUsername Gets the username of the user running R
getRelativePath Gets the relative pathname relative to a directory
getRaw.GString Gets the unprocessed GString
as.character.Verbose Returns a character string version of this object
Arguments Static class to validate and process arguments
createLink Creates a link to a file or a directory
isModified.Settings Checks if settings has been modified compared to whats on file
getBarString.ProgressBar Gets the progress bar string to be displayed
getParent Gets the string of the parent specified by this pathname
hpaste Concatenating vectors into human-readable strings
GString$getBuiltinDatetime Gets the current date and time
isDone.ProgressBar Checks if progress bar is completed
isAbsolutePath Checks if this pathname is absolute
mkdirs Creates a directory including any necessary but nonexistent parent directories
isPackageLoaded Checks if a package is loaded or not
saveObject Saves an object to a file or a connection
gzip Gzip/Gunzip a file
setStepLength.ProgressBar Sets default step length
Java$writeInt Writes a integer (32 bits) to a connection in Java format
dimNA< - Sets the dimension of an object with the option to infer one dimension autmatically
finalizeSession Function to call for finalizing the R session
setThreshold.Verbose Sets verbose threshold
Assert$isMatrix Static method asserting thatan object is a matrix
doCall Executes a function call with option to ignore unused arguments
Arguments$getIntegers Coerces to a integer vector and validates
nbrOfOptions.Options Gets the number of options set
whichVector.logical Identifies TRUE elements in a logical vector
as.logical.Verbose Gets a logical value of this object
Assert$isScalar Static method asserting thatan object is a single value
Arguments$getLogicals Coerces to a logical vector and validates
writeDataFrame.data.frame Writes a data.frame to tabular text file
increase.ProgressBar Increases (steps) progress bar
pushBackupFile Appends a backup suffix to the pathname
printf C-style formatted output
downloadFile.character Downloads a file
findFiles Finds one or several files in multiple directories
newline.TextStatusBar Writes a newline
getMessage.TimeoutException Gets the message of the exception
readWindowsShortcut Reads a Microsoft Windows Shortcut (.lnk file)
popMessage.TextStatusBar Adds a message above the status bar
isReplicated Identifies all entries with replicated values
GString$getVariableValue Gets a variable value given a name and attributes
getLeaves.Options Gets all (non-list) options in a flat list
readTable Reads a file in table format
filePath Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
writeRaw.MultiVerbose Writes to each of the Verbose objects
Java$writeUTF Writes a string to a connection in Java format (UTF-8)
intToBin Converts an integer to a binary/octal/hexadecimal number
on.Verbose Turn on the output
createWindowsShortcut Creates a Microsoft Windows Shortcut (.lnk file)
GString$getBuiltinDate Gets the current date
setOption.Options Sets an option
removeDirectory Removes a directory
getThreshold.Verbose Gets current verbose threshold
touchFile Updates the timestamp of a file
update.TextStatusBar Updates the status bar (visually)
insert Insert values to a vector at certain positions
Arguments$getWritablePathname Gets a writable pathname
cmdArgs Simple access to parsed command-line arguments
popTemporaryFile Drops a temporary suffix from the temporary pathname
promptAndSave.Settings Prompt user to save modified settings
readWindowsShellLink Reads a Microsoft Windows Shortcut (.lnk file)
reassignInPackage Re-assigns a new value to an existing object in a loaded package
more.Verbose Creates a cloned instance with a lower threshold
reset.ProgressBar Reset progress bar
newline.Verbose Writes one or several empty lines
print.GString Prints the processed GString
Java$readByte Reads a Java formatted byte (8 bits) from a connection
setDefaultLevel.Verbose Sets the current default verbose level
isFile Checks if the file specification is a file
popBackupFile Drops a backup suffix from the backup pathname
patchCode Patches installed and loaded packages and more
pushTemporaryFile Appends a temporary suffix to the pathname
isVisible.NullVerbose Checks if a certain verbose level will be shown or not
getTimestampFormat.Verbose Gets the default timestamp format
Java$readShort Reads a Java formatted short (16 bits) from a connection
wrap.array Reshape an array or a matrix by permuting and/or joining dimensions
lastModified Gets the time when the file was last modified
Java$asLong Converts a numeric to a Java long
setTicks.ProgressBar Sets values for which ticks should be visible
readBinFragments Reads binary data from disjoint sections of a connection or a file
onGarbageCollect Registers a function to be called when the R garbage collector is (detected to be) running
renameFile Renames a file safely
sourceDirectory Sources files recursively to either local or global environment
isVisible.Verbose Checks if a certain verbose level will be shown or not
Java$readUTF Reads a Java (UTF-8) formatted string from a connection
Java$readInt Reads a Java formatted int (32 bits) from a connection
str.Verbose Prints the structure of an object if above threshold
writeBinFragments Writes binary data to disjoint sections of a connection or a file
equals.Verbose Checks if this object is equal to another
isOpen.character Checks if there is an open connection to a file
setTimestampFormat.Verbose Sets the default timestamp format
getLabel.TextStatusBar Gets the current value of a label
swapXY.density Swaps x and y coordinates of a density object
summary.Verbose Generates a summary of an object if above threshold
reset.VComments Resets a VComments compiler
exit.Verbose Writes a message and unindents the following output
update.ProgressBar Updates progress bar
seqToIntervals Gets all contigous intervals of a vector of indices
names.Options Gets the full pathname of all (non-list) options
findSourceTraceback Finds all 'srcfile' objects generated by source() in all call frames
setMaxValue.ProgressBar Sets maximum value
toCamelCase Converts a string of words into a merged camel-cased word
Arguments$getNumerics Coerces to a numeric vector and validates
parse.SmartComments Parses one single smart comment
Java$writeShort Writes a short (16 bits) to a connection in Java format
timestampOn.Verbose Turns automatic timestamping on and off
queryRCmdCheck Gets the on R CMD check if the current R session was launched by it
splitByPattern Splits a single character string by pattern
reset.SmartComments Resets a SmartComments compiler
Java$writeByte Writes a byte (8 bits) to a connection in Java format
unwrap.array Unwrap an array, matrix or a vector to an array of more dimensions
validate.VComments Validates the compiled lines
stext Writes text in the margin along the sides of a plot
isPackageInstalled Checks if a package is installed or not
setProgress.ProgressBar Sets current progress
updateLabels.TextStatusBar Sets the new values of given labels and updates the status bar
setLabels.TextStatusBar Sets new values of given labels
warnings.Verbose Outputs any warnings recorded
Arguments$getVector Validates a vector
Assert$isVector Static method asserting thatan object is a vector
validate.SmartComments Validates the compiled lines
Assert$check Static method asserting that a generic condition is true
equals.Options Checks if this object is equal to another Options object
writeRaw.Verbose Writes objects if above threshold
isSingle Identifies all entries that exists exactly ones
toUrl Converts a pathname into a URL
TimeoutException TimeoutException represents timeout errors
print.Verbose Prints objects if above threshold
writeRaw.NullVerbose All output methods
printf.Verbose Formats and prints object if above threshold
update.FileProgressBar Updates file progress bar
setOption Sets a option in R
less.Verbose Creates a cloned instance with a higher threshold
loadObject Method to load object from a file or a connection
ProgressBar Provides text based counting progress bar
attachLocally.list Assigns an objects elements locally
fileAccess Checks the permission of a file or a directory
Arguments$getCharacters Coerces to a character vector and validates
Assert$inherits Static method asserting that an object inherits from of a certain class
loadAnywhere.Settings Loads settings from file
saveAnywhere.Settings Saves settings to file
seqToHumanReadable Gets a short human readable string representation of an vector of indices
timestamp.Verbose Writes a timestamp
subplots Creates a grid of subplots
System$getHostname Retrieves the computer name of the current host
eget Gets a variable by name
Options The Options class
as.list.MultiVerbose Gets a list of Verbose objects
Java$asInt Converts an numeric to a Java integer
LComments The LComments class
bunzip2 Bunzip a file
countLines Counts the number of lines in a text file
evaluate.GString Parses and evaluates a GString
Arguments$getDoubles Coerces to a double vector and validates
header.Verbose Writes a header
off.Verbose Turn off the output
ruler.Verbose Writes a ruler
readTableIndex Reads a single column from file in table format
as.character.binmode Converts a binary/octal/hexadecimal number into a string
System Static class to query information about the system
dataFrame Allocates a data frame with given column classes
extract.array Extract a subset of an array, matrix or a vector with unknown dimensions
flush.TextStatusBar Flushes the output
GString$getBuiltinRversion Gets the current R version
pushState.Verbose Pushes the current indentation state of the Verbose object
isUrl Checks if one or several pathnames is URLs
readRdHelp Reads one or more Rd help files in a certain format
sourceTo Parses and evaluates code from a file or a connection
tempvar Gets a unique non-existing temporary variable name
getLoadedPathname.Settings Gets the pathname of the settings file loaded
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Date 2013-07-27
License LGPL (>= 2.1)
LazyLoad TRUE
Packaged 2013-07-27 23:17:41 UTC; hb
NeedsCompilation no
Repository CRAN
Date/Publication 2013-07-28 12:02:37

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