R.utils v2.8.0


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Various Programming Utilities

Utility functions useful when programming and developing R packages.

Functions in R.utils

Name Description
Arguments Static class to validate and process arguments
Assert The Assert class
Settings Class for applicational settings
SmartComments Abstract class SmartComments
addFinalizerToLast Modifies .Last() to call 'finalizeSession()
arrayIndex Converts vector indices to array indices
callHooks Call hook functions by hook name
as.character.ProgressBar Gets a string description of the progress bar
callHooks.function Call hook functions
as.character.Verbose Returns a character string version of this object
capitalize Capitalizes/decapitalizes each character string in a vector
colClasses Creates a vector of column classes used for tabular reading
commandArgs Extract command-line arguments
compressPDF Compresses a PDF (into a new PDF)
capture.Verbose Captures output of a function
convertComment.SmartComments Converts a single smart comment to R code
dimNA< - Sets the dimension of an object with the option to infer one dimension automatically
displayCode Displays the contents of a text file with line numbers and more
MultiVerbose A Verbose class ignoring everything
Assert$check Static method asserting that a generic condition is true
FileProgressBar A progress bar that sets the size of a file accordingly
cleanup.FileProgressBar Removes the progress file for a file progress bar
GString Character string with advanced substitutions
convertComment.VComments Converts a verbose comment to R code
Non-documented objects Non-documented objects
copyDirectory Copies a directory
System$findGhostscript Searches for a Ghostview executable on the current system
VComments The VComments class
System$findGraphicsDevice Searches for a working PNG device
as.character.binmode Converts a binary/octal/hexadecimal number into a string
Verbose Class to writing verbose messages to a connection or file
egsub Global substitute of expression using regular expressions
enter.Verbose Writes a message and indents the following output
TextStatusBar A status bar at the R prompt that can be updated
as.double.Verbose Gets a numeric value of this object
TimeoutException TimeoutException represents timeout errors
as.logical.Verbose Gets a logical value of this object
Java$asByte Converts a numeric to a Java byte
compile.SmartComments Preprocess a vector of code lines
Arguments$getInstanceOf Gets an instance of the object that is of a particular class
Arguments$getIntegers Coerces to a integer vector and validates
getLoadedPathname.Settings Gets the pathname of the settings file loaded
fileAccess Checks the permission of a file or a directory
filePath Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
compressFile Compressing and decompressing files
dataFrame Allocates a data frame with given column classes
Arguments$getLogicals Coerces to a logical vector and validates
GString$getVariableValue Gets a variable value given a name and attributes
gcat Parses, evaluates and outputs a GString
Arguments$getVector Validates a vector
inAnyInterval.numeric Checks if a set of values are inside one or more intervals
Java Static class for Java related methods
LComments The LComments class
as.list.MultiVerbose Gets a list of Verbose objects
increase.ProgressBar Increases (steps) progress bar
isOn.NullVerbose Checks if the output is on
isOn.Verbose Checks if the output is on
isVisible.NullVerbose Checks if a certain verbose level will be shown or not
NullVerbose A Verbose class ignoring everything
ProgressBar Provides text based counting progress bar
getAbsolutePath Gets the absolute pathname string
as.list.Options Gets a list representation of the options
isVisible.Verbose Checks if a certain verbose level will be shown or not
Java$asInt Converts an numeric to a Java integer
Options The Options class
Java$asLong Converts a numeric to a Java long
detachPackage Detaches packages by name
equals.Verbose Checks if this object is equal to another
GString$getBuiltinRhome Gets the path where R is installed
createFileAtomically Creates a file atomically
createLink Creates a link to a file or a directory
Sys.readlink2 Read File Symbolic Links (also on Windows)
doCall Executes a function call with option to ignore unused arguments
downloadFile.character Downloads a file
GString$getBuiltinRversion Gets the current R version
R.utils-package Package R.utils
System Static class to query information about the system
as.character.GString Gets the processed character string
as.character.Options Returns a character string version of this object
cmdArgs Simple access to parsed command-line arguments
isZero Checks if a value is (close to) zero or not
cmdArgsCall Calls an R function passing command-line arguments
createWindowsShortcut Creates a Microsoft Windows Shortcut (.lnk file)
evaluate.GString Parses and evaluates a GString
Java$asShort Converts a numeric to a Java short
finalizeSession Function to call for finalizing the R session
System$currentTimeMillis Get the current time in milliseconds
evaluate.Verbose Evaluates a function and prints its results if above threshold
extract.array Extract a subset of an array, matrix or a vector with unknown dimensions
findFiles Finds one or several files in multiple directories
GString$getBuiltinTime Gets the current time
attachLocally.list Assigns an objects elements locally
file.info2 Extract File Information (acknowledging symbolic file links also on Windows)
Arguments$getCharacters Coerces to a character vector and validates
Settings$findSettings Searches for the settings file in one or several directories
lastModified Gets the time when the file was last modified
Arguments$getDoubles Coerces to a double vector and validates
findSourceTraceback Finds all 'srcfile' objects generated by source() in all call frames
exit.Verbose Writes a message and unindents the following output
getMessage.TimeoutException Gets the message of the exception
more.Verbose Creates a cloned instance with a lower threshold
mout Miscellaneous functions for outputting via message()
Arguments$getNumerics Coerces to a numeric vector and validates
GString$getBuiltinOs Gets the operating system of the running machine
getRelativePath Gets the relative pathname relative to a directory
flush.TextStatusBar Flushes the output
GString$getBuiltinUsername Gets the username of the user running R
isDirectory Checks if the file specification is a directory
captureOutput Evaluate an R expression and captures the output
onSessionExit Registers a function to be called when the R session finishes
getThreshold.Verbose Gets current verbose threshold
isDone.ProgressBar Checks if progress bar is completed
GString$getBuiltinPid Gets the process id of the current R session
hasUrlProtocol Checks if one or several pathnames has a URL protocol
loadToEnv Method to load objects to a new environment
mapToIntervals.numeric Maps values to intervals
System$getHostname Retrieves the computer name of the current host
cat.Verbose Concatenates and prints objects if above threshold
copyFile Copies a file atomically
countLines Counts the number of lines in a text file
header.Verbose Writes a header
Arguments$getIndices Coerces to a integer vector and validates
nullfile Gets the pathname or a connection to the NULL device on the current platform
System$openBrowser Opens an HTML document using the OS default HTML browser
off.Verbose Turn off the output
gcDLLs Identifies and removes DLLs of packages already unloaded
printf.Verbose Formats and prints object if above threshold
Assert$isScalar Static method asserting that an object is a single value
draw.density Draws a density curve
Arguments$getReadablePathnames Gets a readable pathname
isSingle Identifies all entries that exists exactly once
getBarString.ProgressBar Gets the progress bar string to be displayed
eget Gets a variable by name
loadAnywhere.Settings Loads settings from file
promptAndSave.Settings Prompt user to save modified settings
env Creates a new environment, evaluates an expression therein, and returns the environment
readWindowsShellLink Reads a Microsoft Windows Shortcut (.lnk file)
GString$getBuiltinDate Gets the current date
Arguments$getRegularExpression Gets a valid regular expression pattern
readWindowsShortcut Reads a Microsoft Windows Shortcut (.lnk file)
Arguments$getVerbose Coerces to Verbose object
popBackupFile Drops a backup suffix from the backup pathname
loadObject Method to load object from a file or a connection
popMessage.TextStatusBar Adds a message above the status bar
Arguments$getWritablePathname Gets a writable pathname
popTemporaryFile Drops a temporary suffix from the temporary pathname
equals.Options Checks if this object is equal to another Options object
GString$getBuiltinDatetime Gets the current date and time
saveObject Saves an object to a file or a connection
installPackages Install R packages by name or URL
GString$getBuiltinHostname Gets the hostname of the system running R
intToBin Converts an integer to a binary/octal/hexadecimal number
getLabel.TextStatusBar Gets the current value of a label
moveInSearchPath Moves a environment in the search path to another position
Arguments$getEnvironment Gets an existing environment
seqToHumanReadable Gets a short human readable string representation of an vector of indices
str.Options Prints the structure of the options
Arguments$getFilename Gets and validates a filename
isEof.connection Checks if the current file position for a connection is at the 'End of File'
mpager A \"pager\" function that outputs to standard error
parse.GString Parses a GString
str.Verbose Prints the structure of an object if above threshold
getOption.Options Gets an option
getParent Gets the string of the parent specified by this pathname
isFile Checks if the file specification is a file
getTimestampFormat.Verbose Gets the default timestamp format
System$getUsername Retrieves the name of the user running R
parse.SmartComments Parses one single smart comment
isUrl Checks if one or several pathnames is URLs
getLeaves.Options Gets all (non-list) options in a flat list
print.GString Prints the processed GString
print.Verbose Prints objects if above threshold
hpaste Concatenating vectors into human-readable strings
Java$readInt Reads a Java formatted int (32 bits) from a connection
hsize Convert byte sizes into human-readable byte sizes
getRaw.GString Gets the unprocessed GString
Arguments$getReadablePathname Gets a readable pathname
toCamelCase Converts a string of words into a merged camel-cased word
readRdHelp Reads one or more Rd help files in a certain format
Assert$isVector Static method asserting that an object is a vector
reset.VComments Resets a VComments compiler
printf C-style formatted output
resetWarnings Resets recorded warnings
pushBackupFile Appends a backup suffix to the pathname
gstring Parses and evaluates a GString into a regular string
setOption Sets a option in R
toUrl Converts a pathname into a URL
hasOption.Options Checks if an option exists
ruler.Verbose Writes a ruler
writeRaw.Verbose Writes objects if above threshold
setProgress.ProgressBar Sets current progress
setValue.ProgressBar Sets current value
intervalsToSeq.matrix Generates a vector of indices from a matrix of intervals
pushState.Verbose Pushes the current indentation state of the Verbose object
Java$readShort Reads a Java formatted short (16 bits) from a connection
shell.exec2 Open a file or URL using Windows File Associations
Assert$inheritsFrom Static method asserting that an object inherits from of a certain class
isAbsolutePath Checks if this pathname is absolute
isPackageLoaded Checks if a package is loaded or not
isReplicated Identifies all entries with replicated values
insert Insert values to a vector at certain positions
readTable Reads a file in table format
Java$writeShort Writes a short (16 bits) to a connection in Java format
renameFile Renames a file (or a directory) atomically/safely
less.Verbose Creates a cloned instance with a higher threshold
resample Sample values from a set of elements
saveAnywhere.Settings Saves settings to file
Assert$isMatrix Static method asserting that an object is a matrix
isModified.Settings Checks if settings has been modified compared to whats on file
setLabel.TextStatusBar Sets the value of a label
timestampOn.Verbose Turns automatic timestamping on and off
listDirectory Gets the file names in the directory
names.Options Gets the full pathname of all (non-list) options
tmpfile Creates a temporary file with content
touchFile Updates the timestamp of a file
nbrOfOptions.Options Gets the number of options set
System$parseDebian Parses a string, file or connection for Debian formatted parameters
seqToIntervals Gets all contiguous intervals of a vector of indices
isOpen.character Checks if there is an open connection to a file
mergeIntervals.numeric Merges intervals
isPackageInstalled Checks if a package is installed or not
mkdirs Creates a directory including any necessary but nonexistent parent directories
setDefaultLevel.Verbose Sets the current default verbose level
patchCode Patches installed and loaded packages and more
setLabels.TextStatusBar Sets new values of given labels
setStepLength.ProgressBar Sets default step length
setTicks.ProgressBar Sets values for which ticks should be visible
readTableIndex Reads a single column from file in table format
subplots Creates a grid of subplots
setTimestampFormat.Verbose Sets the default timestamp format
setThreshold.Verbose Sets verbose threshold
summary.Verbose Generates a summary of an object if above threshold
use Attaches or loads packages
newline.TextStatusBar Writes a newline
warnings.Verbose Outputs any warnings recorded
newline.Verbose Writes one or several empty lines
on.Verbose Turn on the output
useRepos Sets package repositories
Java$readUTF Reads a Java (UTF-8) formatted string from a connection
onGarbageCollect Registers a function to be called when the R garbage collector is (detected to be) running
pushTemporaryFile Appends a temporary suffix to the pathname
withOptions Evaluate an R expression with options set temporarily
unwrap.array Unwrap an array, matrix or a vector to an array of more dimensions
withRepos Evaluate an R expression with repositories set temporarily
validate.SmartComments Validates the compiled lines
reset.ProgressBar Reset progress bar
validate.VComments Validates the compiled lines
queryRCmdCheck Gets the on R CMD check if the current R session was launched by it
reset.SmartComments Resets a SmartComments compiler
setMaxValue.ProgressBar Sets maximum value
readBinFragments Reads binary data from disjoint sections of a connection or a file
whichVector.logical Identifies TRUE elements in a logical vector
withTimeout Evaluate an R expression and interrupts it if it takes too long
Java$readByte Reads a Java formatted byte (8 bits) from a connection
setOption.Options Sets an option
Java$writeUTF Writes a string to a connection in Java format (UTF-8)
reassignInPackage Re-assigns a new value to an existing object in a loaded package
wrap.array Reshape an array or a matrix by permuting and/or joining dimensions
removeDirectory Removes a directory
writeRaw.MultiVerbose Writes to each of the Verbose objects
sourceDirectory Sources files recursively to either local or global environment
sourceTo Parses and evaluates code from a file or a connection
splitByPattern Splits a single character string by pattern
stext Writes text in the margin along the sides of a plot
writeRaw.NullVerbose All output methods
swapXY.density Swaps x and y coordinates of a density object
systemR Launches another R process from within R
update.TextStatusBar Updates the status bar (visually)
tempvar Gets a unique non-existing temporary variable name
timestamp.Verbose Writes a timestamp
updateLabels.TextStatusBar Sets the new values of given labels and updates the status bar
update.FileProgressBar Updates file progress bar
withSink Evaluate an R expression while temporarily diverting output
withSeed Evaluate an R expression with a temporarily set random set
writeBinFragments Writes binary data to disjoint sections of a connection or a file
update.ProgressBar Updates progress bar
withCapture Evaluates an expression and captures the code and/or the output
withLocale Evaluate an R expression with locale set temporarily
Java$writeByte Writes a byte (8 bits) to a connection in Java format
writeDataFrame.data.frame Writes a data.frame to tabular text file
Java$writeInt Writes a integer (32 bits) to a connection in Java format
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License LGPL (>= 2.1)
LazyLoad TRUE
URL https://github.com/HenrikBengtsson/R.utils
BugReports https://github.com/HenrikBengtsson/R.utils/issues
RoxygenNote 6.1.0
NeedsCompilation no
Packaged 2019-02-14 16:15:15 UTC; hb
Repository CRAN
Date/Publication 2019-02-14 21:42:21 UTC

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