R.utils v2.7.0

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Various Programming Utilities

Utility functions useful when programming and developing R packages.

Functions in R.utils

Name Description
GString Character string with advanced substitutions
as.character.binmode Converts a binary/octal/hexadecimal number into a string
Sys.readlink2 Read File Symbolic Links (also on Windows)
as.character.Verbose Returns a character string version of this object
System Static class to query information about the system
Java$asInt Converts an numeric to a Java integer
Settings Class for applicational settings
addFinalizerToLast Modifies .Last() to call 'finalizeSession()
SmartComments Abstract class SmartComments
as.character.ProgressBar Gets a string description of the progress bar
VComments The VComments class
Java$asLong Converts a numeric to a Java long
ProgressBar Provides text based counting progress bar
Assert$check Static method asserting that a generic condition is true
Verbose Class to writing verbose messages to a connection or file
cleanup.FileProgressBar Removes the progress file for a file progress bar
draw.density Draws a density curve
arrayIndex Converts vector indices to array indices
as.double.Verbose Gets a numeric value of this object
Java$asShort Converts a numeric to a Java short
as.character.GString Gets the processed character string
as.character.Options Returns a character string version of this object
TextStatusBar A status bar at the R prompt that can be updated
cmdArgs Simple access to parsed command-line arguments
attachLocally.list Assigns an objects elements locally
as.logical.Verbose Gets a logical value of this object
cmdArgsCall Calls an R function passing command-line arguments
eget Gets a variable by name
TimeoutException TimeoutException represents timeout errors
copyFile Copies a file atomically
colClasses Creates a vector of column classes used for tabular reading
Java$asByte Converts a numeric to a Java byte
as.list.MultiVerbose Gets a list of Verbose objects
as.list.Options Gets a list representation of the options
capitalize Capitalizes/decapitalizes each character string in a vector
commandArgs Extract command-line arguments
R.utils-package Package R.utils
evaluate.Verbose Evaluates a function and prints its results if above threshold
capture.Verbose Captures output of a function
createWindowsShortcut Creates a Microsoft Windows Shortcut (.lnk file)
exit.Verbose Writes a message and unindents the following output
compile.SmartComments Preprocess a vector of code lines
convertComment.VComments Converts a verbose comment to R code
copyDirectory Copies a directory
countLines Counts the number of lines in a text file
dimNA< - Sets the dimension of an object with the option to infer one dimension automatically
callHooks Call hook functions by hook name
displayCode Displays the contents of a text file with line numbers and more
System$findGhostscript Searches for a Ghostview executable on the current system
compressFile Compressing and decompressing files
System$findGraphicsDevice Searches for a working PNG device
callHooks.function Call hook functions
gcat Parses, evaluates and outputs a GString
captureOutput Evaluate an R expression and captures the output
System$currentTimeMillis Get the current time in milliseconds
cat.Verbose Concatenates and prints objects if above threshold
System$getHostname Retrieves the computer name of the current host
Arguments$getIndices Coerces to a integer vector and validates
createLink Creates a link to a file or a directory
createFileAtomically Creates a file atomically
getMessage.TimeoutException Gets the message of the exception
dataFrame Allocates a data frame with given column classes
Arguments$getNumerics Coerces to a numeric vector and validates
doCall Executes a function call with option to ignore unused arguments
detachPackage Detaches packages by name
compressPDF Compresses a PDF (into a new PDF)
egsub Global substitute of expression using regular expressions
gstring Parses and evaluates a GString into a regular string
hasOption.Options Checks if an option exists
enter.Verbose Writes a message and indents the following output
fileAccess Checks the permission of a file or a directory
convertComment.SmartComments Converts a single smart comment to R code
filePath Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf
env Creates a new environment, evaluates an expression therein, and returns the environment
equals.Verbose Checks if this object is equal to another
equals.Options Checks if this object is equal to another Options object
extract.array Extract a subset of an array, matrix or a vector with unknown dimensions
hpaste Concatenating vectors into human-readable strings
downloadFile.character Downloads a file
file.info2 Extract File Information (acknowledging symbolic file links also on Windows)
Settings$findSettings Searches for the settings file in one or several directories
evaluate.GString Parses and evaluates a GString
findSourceTraceback Finds all 'srcfile' objects generated by source() in all call frames
getBarString.ProgressBar Gets the progress bar string to be displayed
hsize Convert byte sizes into human-readable byte sizes
GString$getBuiltinDate Gets the current date
getAbsolutePath Gets the absolute pathname string
GString$getBuiltinTime Gets the current time
GString$getBuiltinOs Gets the operating system of the running machine
Arguments$getCharacters Coerces to a character vector and validates
Arguments$getDoubles Coerces to a double vector and validates
flush.TextStatusBar Flushes the output
GString$getBuiltinUsername Gets the username of the user running R
finalizeSession Function to call for finalizing the R session
findFiles Finds one or several files in multiple directories
gcDLLs Identifies and removes DLLs of packages already unloaded
isOn.NullVerbose Checks if the output is on
GString$getBuiltinDatetime Gets the current date and time
isOn.Verbose Checks if the output is on
isUrl Checks if one or several pathnames is URLs
Arguments$getEnvironment Gets an existing environment
GString$getBuiltinRhome Gets the path where R is installed
Assert$isVector Static method asserting that an object is a vector
GString$getBuiltinRversion Gets the current R version
getOption.Options Gets an option
getParent Gets the string of the parent specified by this pathname
GString$getBuiltinPid Gets the process id of the current R session
getRaw.GString Gets the unprocessed GString
popBackupFile Drops a backup suffix from the backup pathname
Arguments$getInstanceOf Gets an instance of the object that is of a particular class
popMessage.TextStatusBar Adds a message above the status bar
printf.Verbose Formats and prints object if above threshold
Arguments$getIntegers Coerces to a integer vector and validates
Arguments$getVerbose Coerces to Verbose object
GString$getBuiltinHostname Gets the hostname of the system running R
Arguments$getFilename Gets and validates a filename
getLoadedPathname.Settings Gets the pathname of the settings file loaded
Arguments$getWritablePathname Gets a writable pathname
promptAndSave.Settings Prompt user to save modified settings
hasUrlProtocol Checks if one or several pathnames has a URL protocol
header.Verbose Writes a header
readBinFragments Reads binary data from disjoint sections of a connection or a file
isPackageLoaded Checks if a package is loaded or not
getLabel.TextStatusBar Gets the current value of a label
Arguments$getReadablePathname Gets a readable pathname
Java$readByte Reads a Java formatted byte (8 bits) from a connection
getLeaves.Options Gets all (non-list) options in a flat list
GString$getVariableValue Gets a variable value given a name and attributes
renameFile Renames a file (or a directory) atomically/safely
Arguments$getLogicals Coerces to a logical vector and validates
getRelativePath Gets the relative pathname relative to a directory
getTimestampFormat.Verbose Gets the default timestamp format
getThreshold.Verbose Gets current verbose threshold
Arguments$getReadablePathnames Gets a readable pathname
System$getUsername Retrieves the name of the user running R
Arguments$getVector Validates a vector
inAnyInterval.numeric Checks if a set of values are inside one or more intervals
Assert$inheritsFrom Static method asserting that an object inherits from of a certain class
resample Sample values from a set of elements
setLabel.TextStatusBar Sets the value of a label
insert Insert values to a vector at certain positions
isDirectory Checks if the file specification is a directory
isEof.connection Checks if the current file position for a connection is at the 'End of File'
isFile Checks if the file specification is a file
Arguments$getRegularExpression Gets a valid regular expression pattern
installPackages Install R packages by name or URL
mergeIntervals.numeric Merges intervals
isDone.ProgressBar Checks if progress bar is completed
isReplicated Identifies all entries with replicated values
setLabels.TextStatusBar Sets new values of given labels
increase.ProgressBar Increases (steps) progress bar
mkdirs Creates a directory including any necessary but nonexistent parent directories
setTicks.ProgressBar Sets values for which ticks should be visible
isVisible.NullVerbose Checks if a certain verbose level will be shown or not
more.Verbose Creates a cloned instance with a lower threshold
intToBin Converts an integer to a binary/octal/hexadecimal number
mout Miscellaneous functions for outputting via message()
isVisible.Verbose Checks if a certain verbose level will be shown or not
less.Verbose Creates a cloned instance with a higher threshold
setTimestampFormat.Verbose Sets the default timestamp format
on.Verbose Turn on the output
Assert$isMatrix Static method asserting that an object is a matrix
loadAnywhere.Settings Loads settings from file
str.Options Prints the structure of the options
str.Verbose Prints the structure of an object if above threshold
intervalsToSeq.matrix Generates a vector of indices from a matrix of intervals
listDirectory Gets the file names in the directory
isAbsolutePath Checks if this pathname is absolute
isModified.Settings Checks if settings has been modified compared to whats on file
newline.TextStatusBar Writes a newline
loadObject Method to load object from a file or a connection
isOpen.character Checks if there is an open connection to a file
newline.Verbose Writes one or several empty lines
onGarbageCollect Registers a function to be called when the R garbage collector is (detected to be) running
Assert$isScalar Static method asserting that an object is a single value
isSingle Identifies all entries that exists exactly once
isPackageInstalled Checks if a package is installed or not
pushTemporaryFile Appends a temporary suffix to the pathname
System$parseDebian Parses a string, file or connection for Debian formatted parameters
names.Options Gets the full pathname of all (non-list) options
isZero Checks if a value is (close to) zero or not
queryRCmdCheck Gets the on R CMD check if the current R session was launched by it
update.FileProgressBar Updates file progress bar
nbrOfOptions.Options Gets the number of options set
loadToEnv Method to load objects to a new environment
mapToIntervals.numeric Maps values to intervals
seqToIntervals Gets all contiguous intervals of a vector of indices
lastModified Gets the time when the file was last modified
moveInSearchPath Moves a environment in the search path to another position
patchCode Patches installed and loaded packages and more
nullfile Gets the pathname or a connection to the NULL device on the current platform
setDefaultLevel.Verbose Sets the current default verbose level
Java$readInt Reads a Java formatted int (32 bits) from a connection
sourceDirectory Sources files recursively to either local or global environment
reset.VComments Resets a VComments compiler
readRdHelp Reads one or more Rd help files in a certain format
update.ProgressBar Updates progress bar
sourceTo Parses and evaluates code from a file or a connection
print.Verbose Prints objects if above threshold
swapXY.density Swaps x and y coordinates of a density object
withOptions Evaluate an R expression with options set temporarily
printf C-style formatted output
readTableIndex Reads a single column from file in table format
onSessionExit Registers a function to be called when the R session finishes
off.Verbose Turn off the output
withRepos Evaluate an R expression with repositories set temporarily
mpager A \"pager\" function that outputs to standard error
System$openBrowser Opens an HTML document using the OS default HTML browser
parse.GString Parses a GString
systemR Launches another R process from within R
parse.SmartComments Parses one single smart comment
toCamelCase Converts a string of words into a merged camel-cased word
writeRaw.Verbose Writes objects if above threshold
Java$writeShort Writes a short (16 bits) to a connection in Java format
resetWarnings Resets recorded warnings
pushBackupFile Appends a backup suffix to the pathname
toUrl Converts a pathname into a URL
pushState.Verbose Pushes the current indentation state of the Verbose object
Java$readUTF Reads a Java (UTF-8) formatted string from a connection
withSeed Evaluate an R expression with a temporarily set random set
withSink Evaluate an R expression while temporarily diverting output
reassignInPackage Re-assigns a new value to an existing object in a loaded package
saveObject Saves an object to a file or a connection
writeRaw.MultiVerbose Writes to each of the Verbose objects
removeDirectory Removes a directory
popTemporaryFile Drops a temporary suffix from the temporary pathname
print.GString Prints the processed GString
setStepLength.ProgressBar Sets default step length
readWindowsShellLink Reads a Microsoft Windows Shortcut (.lnk file)
writeRaw.NullVerbose All output methods
setThreshold.Verbose Sets verbose threshold
Java$readShort Reads a Java formatted short (16 bits) from a connection
readWindowsShortcut Reads a Microsoft Windows Shortcut (.lnk file)
seqToHumanReadable Gets a short human readable string representation of an vector of indices
timestampOn.Verbose Turns automatic timestamping on and off
tmpfile Creates a temporary file with content
use Attaches or loads packages
useRepos Sets package repositories
readTable Reads a file in table format
ruler.Verbose Writes a ruler
saveAnywhere.Settings Saves settings to file
setOption Sets a option in R
reset.ProgressBar Reset progress bar
setProgress.ProgressBar Sets current progress
update.TextStatusBar Updates the status bar (visually)
reset.SmartComments Resets a SmartComments compiler
setMaxValue.ProgressBar Sets maximum value
setOption.Options Sets an option
updateLabels.TextStatusBar Sets the new values of given labels and updates the status bar
warnings.Verbose Outputs any warnings recorded
whichVector.logical Identifies TRUE elements in a logical vector
splitByPattern Splits a single character string by pattern
stext Writes text in the margin along the sides of a plot
withTimeout Evaluate an R expression and interrupts it if it takes too long
setValue.ProgressBar Sets current value
shell.exec2 Open a file or URL using Windows File Associations
subplots Creates a grid of subplots
summary.Verbose Generates a summary of an object if above threshold
tempvar Gets a unique non-existing temporary variable name
validate.SmartComments Validates the compiled lines
wrap.array Reshape an array or a matrix by permuting and/or joining dimensions
timestamp.Verbose Writes a timestamp
touchFile Updates the timestamp of a file
validate.VComments Validates the compiled lines
unwrap.array Unwrap an array, matrix or a vector to an array of more dimensions
writeDataFrame.data.frame Writes a data.frame to tabular text file
Java$writeInt Writes a integer (32 bits) to a connection in Java format
withCapture Evaluates an expression and captures the code and/or the output
withLocale Evaluate an R expression with locale set temporarily
writeBinFragments Writes binary data to disjoint sections of a connection or a file
Java$writeByte Writes a byte (8 bits) to a connection in Java format
Java$writeUTF Writes a string to a connection in Java format (UTF-8)
FileProgressBar A progress bar that sets the size of a file accordingly
Options The Options class
Non-documented objects Non-documented objects
Java Static class for Java related methods
LComments The LComments class
NullVerbose A Verbose class ignoring everything
MultiVerbose A Verbose class ignoring everything
Arguments Static class to validate and process arguments
Assert The Assert 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
RoxygenNote 6.1.0
NeedsCompilation no
Packaged 2018-08-26 20:49:11 UTC; hb
Repository CRAN
Date/Publication 2018-08-27 08:24:26 UTC

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