R.utils v2.3.0


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Various Programming Utilities

Utility functions useful when programming and developing R packages.

Functions in R.utils

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


Date 2016-04-13
License LGPL (>= 2.1)
LazyLoad TRUE
URL https://github.com/HenrikBengtsson/R.utils
BugReports https://github.com/HenrikBengtsson/R.utils/issues
NeedsCompilation no
Packaged 2016-04-14 05:13:44 UTC; hb
Repository CRAN
Date/Publication 2016-04-14 08:32:22

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