R.utils v2.9.0

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Various Programming Utilities

Utility functions useful when programming and developing R packages.

Functions in R.utils

Name Description
MultiVerbose A Verbose class ignoring everything
Non-documented objects Non-documented objects
Java Static class for Java related methods
LComments The LComments class
GString Character string with advanced substitutions
FileProgressBar A progress bar that sets the size of a file accordingly
Arguments Static class to validate and process arguments
Assert The Assert class
Options The Options class
TimeoutException TimeoutException represents timeout errors
NullVerbose A Verbose class ignoring everything
TextStatusBar A status bar at the R prompt that can be updated
R.utils-package Package R.utils
ProgressBar Provides text based counting progress bar
System Static class to query information about the system
Sys.readlink2 Read File Symbolic Links (also on Windows)
as.character.Verbose Returns a character string version of this object
callHooks.function Call hook functions
capitalize Capitalizes/decapitalizes each character string in a vector
attachLocally.list Assigns an objects elements locally
as.list.Options Gets a list representation of the options
as.logical.Verbose Gets a logical value of this object
callHooks Call hook functions by hook name
Java$asLong Converts a numeric to a Java long
as.character.Options Returns a character string version of this object
as.character.binmode Converts a binary/octal/hexadecimal number into a string
as.double.Verbose Gets a numeric value of this object
Verbose Class to writing verbose messages to a connection or file
Settings Class for applicational settings
VComments The VComments class
Java$asShort Converts a numeric to a Java short
colClasses Creates a vector of column classes used for tabular reading
cmdArgsCall Calls an R function passing command-line arguments
commandArgs Extract command-line arguments
compressFile Compressing and decompressing files
Java$asByte Converts a numeric to a Java byte
countLines Counts the number of lines in a text file
Java$asInt Converts an numeric to a Java integer
compressPDF Compresses a PDF (into a new PDF)
as.list.MultiVerbose Gets a list of Verbose objects
compile.SmartComments Preprocess a vector of code lines
enter.Verbose Writes a message and indents the following output
env Creates a new environment, evaluates an expression therein, and returns the environment
as.character.ProgressBar Gets a string description of the progress bar
cmdArgs Simple access to parsed command-line arguments
addFinalizerToLast Modifies .Last() to call 'finalizeSession()
as.character.GString Gets the processed character string
System$currentTimeMillis Get the current time in milliseconds
detachPackage Detaches packages by name
SmartComments Abstract class SmartComments
cleanup.FileProgressBar Removes the progress file for a file progress bar
dataFrame Allocates a data frame with given column classes
copyDirectory Copies a directory
createLink Creates a link to a file or a directory
createFileAtomically Creates a file atomically
findFiles Finds one or several files in multiple directories
displayCode Displays the contents of a text file with line numbers and more
doCall Executes a function call with option to ignore unused arguments
createWindowsShortcut Creates a Microsoft Windows Shortcut (.lnk file)
System$findGhostscript Searches for a Ghostview executable on the current system
fileAccess Checks the permission of a file or a directory
capture.Verbose Captures output of a function
file.info2 Extract File Information (acknowledging symbolic file links also on Windows)
dimNA< - Sets the dimension of an object with the option to infer one dimension automatically
evaluate.GString Parses and evaluates a GString
convertComment.SmartComments Converts a single smart comment to R code
cat.Verbose Concatenates and prints objects if above threshold
evaluate.Verbose Evaluates a function and prints its results if above threshold
captureOutput Evaluate an R expression and captures the output
Assert$check Static method asserting that a generic condition is true
equals.Options Checks if this object is equal to another Options object
eget Gets a variable by name
copyFile Copies a file atomically
System$findGraphicsDevice Searches for a working PNG device
GString$getBuiltinPid Gets the process id of the current R session
GString$getBuiltinRhome Gets the path where R is installed
gcat Parses, evaluates and outputs a GString
gcDLLs Identifies and removes DLLs of packages already unloaded
GString$getBuiltinRversion Gets the current R version
flush.TextStatusBar Flushes the output
findSourceTraceback Finds all 'srcfile' objects generated by source() in all call frames
equals.Verbose Checks if this object is equal to another
GString$getBuiltinUsername Gets the username of the user running R
egsub Global substitute of expression using regular expressions
Settings$findSettings Searches for the settings file in one or several directories
filePath Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
Arguments$getCharacters Coerces to a character vector and validates
convertComment.VComments Converts a verbose comment to R code
finalizeSession Function to call for finalizing the R session
exit.Verbose Writes a message and unindents the following output
downloadFile.character Downloads a file
draw.density Draws a density curve
GString$getBuiltinTime Gets the current time
GString$getBuiltinDatetime Gets the current date and time
getLeaves.Options Gets all (non-list) options in a flat list
GString$getBuiltinDate Gets the current date
System$getHostname Retrieves the computer name of the current host
Arguments$getFilename Gets and validates a filename
System$getUsername Retrieves the name of the user running R
intToBin Converts an integer to a binary/octal/hexadecimal number
GString$getVariableValue Gets a variable value given a name and attributes
Arguments$getLogicals Coerces to a logical vector and validates
getMessage.TimeoutException Gets the message of the exception
GString$getBuiltinHostname Gets the hostname of the system running R
getParent Gets the string of the parent specified by this pathname
GString$getBuiltinOs Gets the operating system of the running machine
getRaw.GString Gets the unprocessed GString
Arguments$getVector Validates a vector
getLabel.TextStatusBar Gets the current value of a label
intervalsToSeq.matrix Generates a vector of indices from a matrix of intervals
Arguments$getIntegers Coerces to a integer vector and validates
Arguments$getReadablePathnames Gets a readable pathname
Arguments$getReadablePathname Gets a readable pathname
getLoadedPathname.Settings Gets the pathname of the settings file loaded
isFile Checks if the file specification is a file
hsize Convert byte sizes into human-readable byte sizes
extract.array Extract a subset of an array, matrix or a vector with unknown dimensions
loadObject Method to load object from a file or a connection
System$openBrowser Opens an HTML document using the OS default HTML browser
printf C-style formatted output
Assert$isVector Static method asserting that an object is a vector
isVisible.NullVerbose Checks if a certain verbose level will be shown or not
Assert$isMatrix Static method asserting that an object is a matrix
loadToEnv Method to load objects to a new environment
parse.GString Parses a GString
inAnyInterval.numeric Checks if a set of values are inside one or more intervals
getAbsolutePath Gets the absolute pathname string
Arguments$getVerbose Coerces to Verbose object
gstring Parses and evaluates a GString into a regular string
Assert$inheritsFrom Static method asserting that an object inherits from of a certain class
isAbsolutePath Checks if this pathname is absolute
increase.ProgressBar Increases (steps) progress bar
Arguments$getWritablePathname Gets a writable pathname
isSingle Identifies all entries that exists exactly once
isDirectory Checks if the file specification is a directory
listDirectory Gets the file names in the directory
isUrl Checks if one or several pathnames is URLs
printf.Verbose Formats and prints object if above threshold
isDone.ProgressBar Checks if progress bar is completed
loadAnywhere.Settings Loads settings from file
newline.Verbose Writes one or several empty lines
readWindowsShellLink Reads a Microsoft Windows Shortcut (.lnk file)
ruler.Verbose Writes a ruler
Java$readUTF Reads a Java (UTF-8) formatted string from a connection
getBarString.ProgressBar Gets the progress bar string to be displayed
Arguments$getInstanceOf Gets an instance of the object that is of a particular class
Arguments$getIndices Coerces to a integer vector and validates
Arguments$getRegularExpression Gets a valid regular expression pattern
insert Insert values to a vector at certain positions
isEof.connection Checks if the current file position for a connection is at the 'End of File'
isReplicated Identifies all entries with replicated values
nullfile Gets the pathname or a connection to the NULL device on the current platform
saveAnywhere.Settings Saves settings to file
sourceTo Parses and evaluates code from a file or a connection
summary.Verbose Generates a summary of an object if above threshold
setMaxValue.ProgressBar Sets maximum value
subplots Creates a grid of subplots
setOption.Options Sets an option
sourceDirectory Sources files recursively to either local or global environment
Arguments$getDoubles Coerces to a double vector and validates
Arguments$getEnvironment Gets an existing environment
popMessage.TextStatusBar Adds a message above the status bar
Arguments$getNumerics Coerces to a numeric vector and validates
Assert$isScalar Static method asserting that an object is a single value
readWindowsShortcut Reads a Microsoft Windows Shortcut (.lnk file)
popTemporaryFile Drops a temporary suffix from the temporary pathname
getOption.Options Gets an option
hasUrlProtocol Checks if one or several pathnames has a URL protocol
hasOption.Options Checks if an option exists
installPackages Install R packages by name or URL
isZero Checks if a value is (close to) zero or not
isVisible.Verbose Checks if a certain verbose level will be shown or not
reassignInPackage Re-assigns a new value to an existing object in a loaded package
reset.SmartComments Resets a SmartComments compiler
reset.VComments Resets a VComments compiler
on.Verbose Turn on the output
off.Verbose Turn off the output
mapToIntervals.numeric Maps values to intervals
pushState.Verbose Pushes the current indentation state of the Verbose object
mergeIntervals.numeric Merges intervals
patchCode Patches installed and loaded packages and more
popBackupFile Drops a backup suffix from the backup pathname
header.Verbose Writes a header
hpaste Concatenating vectors into human-readable strings
touchFile Updates the timestamp of a file
setLabel.TextStatusBar Sets the value of a label
names.Options Gets the full pathname of all (non-list) options
mkdirs Creates a directory including any necessary but nonexistent parent directories
parse.SmartComments Parses one single smart comment
mpager A \"pager\" function that outputs to standard error
more.Verbose Creates a cloned instance with a lower threshold
Java$readInt Reads a Java formatted int (32 bits) from a connection
Java$readByte Reads a Java formatted byte (8 bits) from a connection
pushTemporaryFile Appends a temporary suffix to the pathname
getRelativePath Gets the relative pathname relative to a directory
setLabels.TextStatusBar Sets new values of given labels
unwrap.array Unwrap an array, matrix or a vector to an array of more dimensions
nbrOfOptions.Options Gets the number of options set
isOn.Verbose Checks if the output is on
newline.TextStatusBar Writes a newline
getTimestampFormat.Verbose Gets the default timestamp format
onSessionExit Registers a function to be called when the R session finishes
onGarbageCollect Registers a function to be called when the R garbage collector is (detected to be) running
getThreshold.Verbose Gets current verbose threshold
isOpen.character Checks if there is an open connection to a file
print.GString Prints the processed GString
System$parseDebian Parses a string, file or connection for Debian formatted parameters
resample Sample values from a set of elements
readTable Reads a file in table format
setValue.ProgressBar Sets current value
reset.ProgressBar Reset progress bar
readTableIndex Reads a single column from file in table format
setStepLength.ProgressBar Sets default step length
print.Verbose Prints objects if above threshold
setThreshold.Verbose Sets verbose threshold
withCapture Evaluates an expression and captures the code and/or the output
saveObject Saves an object to a file or a connection
isModified.Settings Checks if settings has been modified compared to whats on file
swapXY.density Swaps x and y coordinates of a density object
queryRCmdCheck Gets the on R CMD check if the current R session was launched by it
shell.exec2 Open a file or URL using Windows File Associations
withLocale Evaluate an R expression with locale set temporarily
Java$writeByte Writes a byte (8 bits) to a connection in Java format
writeBinFragments Writes binary data to disjoint sections of a connection or a file
tempvar Gets a unique non-existing temporary variable name
withTimeout Evaluate an R expression and interrupts it if it takes too long
removeDirectory Removes a directory
timestamp.Verbose Writes a timestamp
readBinFragments Reads binary data from disjoint sections of a connection or a file
seqToHumanReadable Gets a short human readable string representation of an vector of indices
setOption Sets a option in R
renameFile Renames a file (or a directory) atomically/safely
systemR Launches another R process from within R
updateLabels.TextStatusBar Sets the new values of given labels and updates the status bar
withSeed Evaluate an R expression with a temporarily set random set
update.TextStatusBar Updates the status bar (visually)
withSink Evaluate an R expression while temporarily diverting output
setDefaultLevel.Verbose Sets the current default verbose level
setTicks.ProgressBar Sets values for which ticks should be visible
seqToIntervals Gets all contiguous intervals of a vector of indices
writeDataFrame.data.frame Writes a data.frame to tabular text file
wrap.array Reshape an array or a matrix by permuting and/or joining dimensions
Java$writeInt Writes a integer (32 bits) to a connection in Java format
splitByPattern Splits a single character string by pattern
setProgress.ProgressBar Sets current progress
writeRaw.Verbose Writes objects if above threshold
stext Writes text in the margin along the sides of a plot
use Attaches or loads packages
Java$writeShort Writes a short (16 bits) to a connection in Java format
isOn.NullVerbose Checks if the output is on
tmpfile Creates a temporary file with content
timestampOn.Verbose Turns automatic timestamping on and off
setTimestampFormat.Verbose Sets the default timestamp format
useRepos Sets package repositories
validate.SmartComments Validates the compiled lines
isPackageLoaded Checks if a package is loaded or not
isPackageInstalled Checks if a package is installed or not
lastModified Gets the time when the file was last modified
validate.VComments Validates the compiled lines
less.Verbose Creates a cloned instance with a higher threshold
withOptions Evaluate an R expression with options set temporarily
moveInSearchPath Moves a environment in the search path to another position
mout Miscellaneous functions for outputting via message()
promptAndSave.Settings Prompt user to save modified settings
Java$writeUTF Writes a string to a connection in Java format (UTF-8)
withRepos Evaluate an R expression with repositories set temporarily
Java$readShort Reads a Java formatted short (16 bits) from a connection
str.Verbose Prints the structure of an object if above threshold
readRdHelp Reads one or more Rd help files in a certain format
str.Options Prints the structure of the options
pushBackupFile Appends a backup suffix to the pathname
toCamelCase Converts a string of words into a merged camel-cased word
toUrl Converts a pathname into a URL
update.FileProgressBar Updates file progress bar
update.ProgressBar Updates progress bar
warnings.Verbose Outputs any warnings recorded
whichVector.logical Identifies TRUE elements in a logical vector
writeRaw.MultiVerbose Writes to each of the Verbose objects
writeRaw.NullVerbose All output methods
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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 2019-06-12 04:47:22 UTC; hb
Repository CRAN
Date/Publication 2019-06-13 07:30:24 UTC

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