R.utils v2.9.1

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Various Programming Utilities

Utility functions useful when programming and developing R packages.

Functions in R.utils

Name Description
Java Static class for Java related methods
Arguments Static class to validate and process arguments
MultiVerbose A Verbose class ignoring everything
R.utils-package Package R.utils
Non-documented objects Non-documented objects
ProgressBar Provides text based counting progress bar
TimeoutException TimeoutException represents timeout errors
Sys.readlink2 Read File Symbolic Links (also on Windows)
TextStatusBar A status bar at the R prompt that can be updated
Settings Class for applicational settings
System Static class to query information about the system
SmartComments Abstract class SmartComments
as.character.Options Returns a character string version of this object
as.double.Verbose Gets a numeric value of this object
VComments The VComments class
Java$asLong Converts a numeric to a Java long
Verbose Class to writing verbose messages to a connection or file
Java$asShort Converts a numeric to a Java short
as.character.ProgressBar Gets a string description of the progress bar
cleanup.FileProgressBar Removes the progress file for a file progress bar
as.list.Options Gets a list representation of the options
Java$asByte Converts a numeric to a Java byte
as.logical.Verbose Gets a logical value of this object
Java$asInt Converts an numeric to a Java integer
copyDirectory Copies a directory
copyFile Copies a file atomically
dimNA< - Sets the dimension of an object with the option to infer one dimension automatically
detachPackage Detaches packages by name
cmdArgs Simple access to parsed command-line arguments
as.character.Verbose Returns a character string version of this object
as.character.binmode Converts a binary/octal/hexadecimal number into a string
equals.Options Checks if this object is equal to another Options object
as.list.MultiVerbose Gets a list of Verbose objects
callHooks.function Call hook functions
as.character.GString Gets the processed character string
addFinalizerToLast Modifies .Last() to call 'finalizeSession()
equals.Verbose Checks if this object is equal to another
cmdArgsCall Calls an R function passing command-line arguments
GString$getBuiltinRhome Gets the path where R is installed
System$getHostname Retrieves the computer name of the current host
GString$getBuiltinPid Gets the process id of the current R session
System$findGhostscript Searches for a Ghostview executable on the current system
findFiles Finds one or several files in multiple directories
Arguments$getFilename Gets and validates a filename
attachLocally.list Assigns an objects elements locally
compressFile Compressing and decompressing files
callHooks Call hook functions by hook name
convertComment.VComments Converts a verbose comment to R code
compressPDF Compresses a PDF (into a new PDF)
convertComment.SmartComments Converts a single smart comment to R code
countLines Counts the number of lines in a text file
createFileAtomically Creates a file atomically
colClasses Creates a vector of column classes used for tabular reading
displayCode Displays the contents of a text file with line numbers and more
eget Gets a variable by name
capture.Verbose Captures output of a function
egsub Global substitute of expression using regular expressions
evaluate.GString Parses and evaluates a GString
capitalize Capitalizes/decapitalizes each character string in a vector
findSourceTraceback Finds all 'srcfile' objects generated by source() in all call frames
evaluate.Verbose Evaluates a function and prints its results if above threshold
captureOutput Evaluate an R expression and captures the output
Arguments$getRegularExpression Gets a valid regular expression pattern
getRelativePath Gets the relative pathname relative to a directory
compile.SmartComments Preprocess a vector of code lines
createLink Creates a link to a file or a directory
Arguments$getVerbose Coerces to Verbose object
commandArgs Extract command-line arguments
Arguments$getVector Validates a vector
cat.Verbose Concatenates and prints objects if above threshold
Assert$check Static method asserting that a generic condition is true
System$currentTimeMillis Get the current time in milliseconds
dataFrame Allocates a data frame with given column classes
downloadFile.character Downloads a file
GString$getBuiltinDate Gets the current date
gcDLLs Identifies and removes DLLs of packages already unloaded
getLabel.TextStatusBar Gets the current value of a label
gcat Parses, evaluates and outputs a GString
filePath Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
doCall Executes a function call with option to ignore unused arguments
GString$getBuiltinDatetime Gets the current date and time
finalizeSession Function to call for finalizing the R session
Arguments$getIntegers Coerces to a integer vector and validates
createWindowsShortcut Creates a Microsoft Windows Shortcut (.lnk file)
getParent Gets the string of the parent specified by this pathname
env Creates a new environment, evaluates an expression therein, and returns the environment
System$findGraphicsDevice Searches for a working PNG device
fileAccess Checks the permission of a file or a directory
file.info2 Extract File Information (acknowledging symbolic file links also on Windows)
enter.Verbose Writes a message and indents the following output
Arguments$getIndices Coerces to a integer vector and validates
GString$getBuiltinOs Gets the operating system of the running machine
GString$getBuiltinHostname Gets the hostname of the system running R
flush.TextStatusBar Flushes the output
header.Verbose Writes a header
Arguments$getInstanceOf Gets an instance of the object that is of a particular class
GString$getBuiltinUsername Gets the username of the user running R
Settings$findSettings Searches for the settings file in one or several directories
getRaw.GString Gets the unprocessed GString
Arguments$getWritablePathname Gets a writable pathname
extract.array Extract a subset of an array, matrix or a vector with unknown dimensions
getAbsolutePath Gets the absolute pathname string
draw.density Draws a density curve
exit.Verbose Writes a message and unindents the following output
Arguments$getCharacters Coerces to a character vector and validates
gstring Parses and evaluates a GString into a regular string
hpaste Concatenating vectors into human-readable strings
getThreshold.Verbose Gets current verbose threshold
Arguments$getReadablePathnames Gets a readable pathname
Arguments$getEnvironment Gets an existing environment
Arguments$getReadablePathname Gets a readable pathname
Arguments$getDoubles Coerces to a double vector and validates
getBarString.ProgressBar Gets the progress bar string to be displayed
GString$getBuiltinTime Gets the current time
getTimestampFormat.Verbose Gets the default timestamp format
GString$getBuiltinRversion Gets the current R version
Assert$inheritsFrom Static method asserting that an object inherits from of a certain class
Arguments$getLogicals Coerces to a logical vector and validates
getMessage.TimeoutException Gets the message of the exception
isModified.Settings Checks if settings has been modified compared to whats on file
increase.ProgressBar Increases (steps) progress bar
System$getUsername Retrieves the name of the user running R
GString$getVariableValue Gets a variable value given a name and attributes
mapToIntervals.numeric Maps values to intervals
isEof.connection Checks if the current file position for a connection is at the 'End of File'
isVisible.Verbose Checks if a certain verbose level will be shown or not
isDone.ProgressBar Checks if progress bar is completed
isZero Checks if a value is (close to) zero or not
intToBin Converts an integer to a binary/octal/hexadecimal number
intervalsToSeq.matrix Generates a vector of indices from a matrix of intervals
isOn.NullVerbose Checks if the output is on
mergeIntervals.numeric Merges intervals
off.Verbose Turn off the output
isPackageInstalled Checks if a package is installed or not
Arguments$getNumerics Coerces to a numeric vector and validates
isPackageLoaded Checks if a package is loaded or not
getLeaves.Options Gets all (non-list) options in a flat list
getLoadedPathname.Settings Gets the pathname of the settings file loaded
loadToEnv Method to load objects to a new environment
moveInSearchPath Moves a environment in the search path to another position
mout Miscellaneous functions for outputting via message()
loadObject Method to load object from a file or a connection
getOption.Options Gets an option
hasUrlProtocol Checks if one or several pathnames has a URL protocol
hasOption.Options Checks if an option exists
insert Insert values to a vector at certain positions
isDirectory Checks if the file specification is a directory
isAbsolutePath Checks if this pathname is absolute
installPackages Install R packages by name or URL
Assert$isVector Static method asserting that an object is a vector
on.Verbose Turn on the output
hsize Convert byte sizes into human-readable byte sizes
inAnyInterval.numeric Checks if a set of values are inside one or more intervals
popBackupFile Drops a backup suffix from the backup pathname
patchCode Patches installed and loaded packages and more
isReplicated Identifies all entries with replicated values
isOpen.character Checks if there is an open connection to a file
parse.SmartComments Parses one single smart comment
isOn.Verbose Checks if the output is on
promptAndSave.Settings Prompt user to save modified settings
Assert$isScalar Static method asserting that an object is a single value
System$parseDebian Parses a string, file or connection for Debian formatted parameters
printf C-style formatted output
isFile Checks if the file specification is a file
printf.Verbose Formats and prints object if above threshold
readRdHelp Reads one or more Rd help files in a certain format
Assert$isMatrix Static method asserting that an object is a matrix
lastModified Gets the time when the file was last modified
newline.Verbose Writes one or several empty lines
isVisible.NullVerbose Checks if a certain verbose level will be shown or not
less.Verbose Creates a cloned instance with a higher threshold
nullfile Gets the pathname or a connection to the NULL device on the current platform
pushBackupFile Appends a backup suffix to the pathname
Java$readShort Reads a Java formatted short (16 bits) from a connection
saveObject Saves an object to a file or a connection
setOption Sets a option in R
seqToHumanReadable Gets a short human readable string representation of an vector of indices
readWindowsShortcut Reads a Microsoft Windows Shortcut (.lnk file)
mkdirs Creates a directory including any necessary but nonexistent parent directories
reassignInPackage Re-assigns a new value to an existing object in a loaded package
isSingle Identifies all entries that exists exactly once
onGarbageCollect Registers a function to be called when the R garbage collector is (detected to be) running
queryRCmdCheck Gets the on R CMD check if the current R session was launched by it
setProgress.ProgressBar Sets current progress
onSessionExit Registers a function to be called when the R session finishes
ruler.Verbose Writes a ruler
saveAnywhere.Settings Saves settings to file
Java$readInt Reads a Java formatted int (32 bits) from a connection
readBinFragments Reads binary data from disjoint sections of a connection or a file
Java$readByte Reads a Java formatted byte (8 bits) from a connection
setOption.Options Sets an option
setMaxValue.ProgressBar Sets maximum value
more.Verbose Creates a cloned instance with a lower threshold
mpager A \"pager\" function that outputs to standard error
parse.GString Parses a GString
System$openBrowser Opens an HTML document using the OS default HTML browser
removeDirectory Removes a directory
names.Options Gets the full pathname of all (non-list) options
isUrl Checks if one or several pathnames is URLs
listDirectory Gets the file names in the directory
setTicks.ProgressBar Sets values for which ticks should be visible
tempvar Gets a unique non-existing temporary variable name
loadAnywhere.Settings Loads settings from file
setTimestampFormat.Verbose Sets the default timestamp format
setValue.ProgressBar Sets current value
timestampOn.Verbose Turns automatic timestamping on and off
shell.exec2 Open a file or URL using Windows File Associations
timestamp.Verbose Writes a timestamp
renameFile Renames a file (or a directory) atomically/safely
writeDataFrame.data.frame Writes a data.frame to tabular text file
update.FileProgressBar Updates file progress bar
update.ProgressBar Updates progress bar
withRepos Evaluate an R expression with repositories set temporarily
withOptions Evaluate an R expression with options set temporarily
Java$writeInt Writes a integer (32 bits) to a connection in Java format
tmpfile Creates a temporary file with content
pushState.Verbose Pushes the current indentation state of the Verbose object
nbrOfOptions.Options Gets the number of options set
setStepLength.ProgressBar Sets default step length
setThreshold.Verbose Sets verbose threshold
pushTemporaryFile Appends a temporary suffix to the pathname
readTable Reads a file in table format
stext Writes text in the margin along the sides of a plot
systemR Launches another R process from within R
splitByPattern Splits a single character string by pattern
popMessage.TextStatusBar Adds a message above the status bar
swapXY.density Swaps x and y coordinates of a density object
popTemporaryFile Drops a temporary suffix from the temporary pathname
print.GString Prints the processed GString
print.Verbose Prints objects if above threshold
newline.TextStatusBar Writes a newline
validate.SmartComments Validates the compiled lines
Java$readUTF Reads a Java (UTF-8) formatted string from a connection
withSink Evaluate an R expression while temporarily diverting output
writeRaw.Verbose Writes objects if above threshold
validate.VComments Validates the compiled lines
withSeed Evaluate an R expression with a temporarily set random set
readTableIndex Reads a single column from file in table format
updateLabels.TextStatusBar Sets the new values of given labels and updates the status bar
Java$writeShort Writes a short (16 bits) to a connection in Java format
withLocale Evaluate an R expression with locale set temporarily
update.TextStatusBar Updates the status bar (visually)
withCapture Evaluates an expression and captures the code and/or the output
Java$writeUTF Writes a string to a connection in Java format (UTF-8)
readWindowsShellLink Reads a Microsoft Windows Shortcut (.lnk file)
reset.SmartComments Resets a SmartComments compiler
resample Sample values from a set of elements
reset.ProgressBar Reset progress bar
reset.VComments Resets a VComments compiler
setLabel.TextStatusBar Sets the value of a label
setDefaultLevel.Verbose Sets the current default verbose level
seqToIntervals Gets all contiguous intervals of a vector of indices
setLabels.TextStatusBar Sets new values of given labels
sourceDirectory Sources files recursively to either local or global environment
str.Verbose Prints the structure of an object if above threshold
str.Options Prints the structure of the options
subplots Creates a grid of subplots
sourceTo Parses and evaluates code from a file or a connection
summary.Verbose Generates a summary of an object if above threshold
toCamelCase Converts a string of words into a merged camel-cased word
touchFile Updates the timestamp of a file
unwrap.array Unwrap an array, matrix or a vector to an array of more dimensions
toUrl Converts a pathname into a URL
use Attaches or loads packages
useRepos Sets package repositories
writeBinFragments Writes binary data to disjoint sections of a connection or a file
whichVector.logical Identifies TRUE elements in a logical vector
warnings.Verbose Outputs any warnings recorded
Java$writeByte Writes a byte (8 bits) to a connection in Java format
wrap.array Reshape an array or a matrix by permuting and/or joining dimensions
withTimeout Evaluate an R expression and interrupts it if it takes too long
writeRaw.NullVerbose All output methods
writeRaw.MultiVerbose Writes to each of the Verbose objects
Options The Options class
NullVerbose A Verbose class ignoring everything
GString Character string with advanced substitutions
FileProgressBar A progress bar that sets the size of a file accordingly
Assert The Assert class
LComments The LComments class
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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
NeedsCompilation no
Packaged 2019-12-05 16:48:18 UTC; hb
Repository CRAN
Date/Publication 2019-12-05 19:40:06 UTC

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