R.utils v1.25.2
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Various programming utilities
This package provides utility methods useful when
programming and developing R packages.
Functions in R.utils
| Name | Description | |
| Arguments$getReadablePathnames | Gets a readable pathname | |
| GString$getBuiltinDate | Gets the current date | |
| Options | The Options class | |
| colClasses | Creates a vector of column classes used for tabular reading | |
| TimeoutException | TimeoutException represents timeout errors | |
| dataFrame | Allocates a data frame with given column classes | |
| TextStatusBar | A status bar at the R prompt that can be updated | |
| LComments | The LComments class | |
| compile.SmartComments | Preprocess a vector of code lines | |
| copyFile | Copies a file safely | |
| cleanup.FileProgressBar | Removes the progress file for a file progress bar | |
| VComments | The VComments class | |
| dimNA< - | Sets the dimension of an object with the option to infer one dimension autmatically | |
| evalCapture | Evaluates an expression and captures the code and/or the output | |
| MultiVerbose | A Verbose class ignoring everything | |
| GString$getBuiltinRhome | Gets the path where R is installed | |
| as.logical.Verbose | Gets a logical value of this object | |
| doCall | Executes a function call with option to ignore unused arguments | |
| as.list.Options | Gets a list representation of the options | |
| detachPackage | Detaches a packages by name | |
| Settings | Class for applicational settings | |
| print.Verbose | Prints objects if above threshold | |
| Assert$check | Static method asserting that a generic condition is true | |
| callHooks | Call hook functions by hook name | |
| GString$getBuiltinDatetime | Gets the current date and time | |
| GString$getBuiltinRversion | Gets the current R version | |
| as.character.ProgressBar | Gets a string description of the progress bar | |
| SmartComments | Abstract class SmartComments | |
| findFiles | Finds one or several files in multiple directories | |
| addFinalizerToLast | Modifies .Last() to call 'finalizeSession() | |
| Assert | The Assert class | |
| getTimestampFormat.Verbose | Gets the default timestamp format | |
| as.list.MultiVerbose | Gets a list of Verbose objects | |
| Java | Static class for Java related methods | |
| evaluate.GString | Parses and evaluates a GString | |
| as.character.Options | Returns a character string version of this object | |
| Arguments | Static class to validate and process arguments | |
| isUrl | Checks if one or several pathnames is URLs | |
| Arguments$getWritablePathname | Gets a writable pathname | |
| extract.array | Extract a subset of an array, matrix or a vector with unknown dimensions | |
| findSourceTraceback | Finds all 'srcfile' objects generated by source() in all call frames | |
| cmdArgs | Simple access to parsed command-line arguments | |
| countLines | Counts the number of lines in a text file | |
| enter.Verbose | Writes a message and indents the following output | |
| Arguments$getDoubles | Coerces to a double vector and validates | |
| Java$asLong | Converts a numeric to a Java long | |
| Settings$findSettings | Searches for the settings file in one or several directories | |
| pushBackupFile | Appends a backup suffix to the pathname | |
| FileProgressBar | A progress bar that sets the size of a file accordingly | |
| System$findGhostscript | Searches for the ghostview binary on the current system | |
| isOn.NullVerbose | Checks if the output is on | |
| GString$getBuiltinOs | Gets the operating system of the running machine | |
| gcat | Parses, evaluates and outputs a GString | |
| fileAccess | Checks the permission of a file or a directory | |
| isVisible.Verbose | Checks if a certain verbose level will be shown or not | |
| eget | Gets a variable by name | |
| equals.Options | Checks if this object is equal to another Options object | |
| mkdirs | Creates a directory including any necessary but nonexistent parent directories | |
| capture.Verbose | Captures output of a function | |
| Arguments$getFilename | Gets and validates a filename | |
| convertComment.VComments | Converts a verbose comment to R code | |
| mergeIntervals.numeric | Merges intervals | |
| as.character.binmode | Converts a binary/octal/hexadecimal number into a string | |
| setTimestampFormat.Verbose | Sets the default timestamp format | |
| getBarString.ProgressBar | Gets the progress bar string to be displayed | |
| NullVerbose | A Verbose class ignoring everything | |
| getThreshold.Verbose | Gets current verbose threshold | |
| commandArgs | Extract command-line arguments | |
| unwrap.array | Unwrap an array, matrix or a vector to an array of more dimensions | |
| GString$getBuiltinPid | Gets the process id of the current R session | |
| update.FileProgressBar | Updates file progress bar | |
| Verbose | Class to writing verbose messages to a connection or file | |
| isDirectory | Checks if the file specification is a directory | |
| R.utils-package | Package R.utils | |
| Java$readShort | Reads a Java formatted short (16 bits) from a connection | |
| str.Verbose | Prints the structure of an object if above threshold | |
| hasOption.Options | Checks if an option exists | |
| copyDirectory | Copies a directory | |
| as.character.GString | Gets the processed character string | |
| getRaw.GString | Gets the unprocessed GString | |
| isOn.Verbose | Checks if the output is on | |
| env | Creates a new environment, evaluates an expression therein, and returns the environment | |
| as.double.Verbose | Gets a numeric value of this object | |
| getLoadedPathname.Settings | Gets the pathname of the settings file loaded | |
| capitalize | Capitalizes/decapitalizes each character string in a vector | |
| Java$asShort | Converts a numeric to a Java short | |
| System$parseDebian | Parses a string, file or connection for Debian formatted parameters | |
| getAbsolutePath | Gets the absolute pathname string | |
| Arguments$getReadablePathname | Gets a readable pathname | |
| reset.ProgressBar | Reset progress bar | |
| as.character.Verbose | Returns a character string version of this object | |
| sourceTo | Parses and evaluates code from a file or a connection | |
| hasUrlProtocol | Checks if one or several pathnames has a URL protocol | |
| Arguments$getIndices | Coerces to a integer vector and validates | |
| Java$writeShort | Writes a short (16 bits) to a connection in Java format | |
| Arguments$getLogicals | Coerces to a logical vector and validates | |
| timestampOn.Verbose | Turns automatic timestamping on and off | |
| System$currentTimeMillis | Get the current time in milliseconds | |
| inAnyInterval.numeric | Checks if a set of values are inside one or more intervals | |
| GString$getBuiltinUsername | Gets the username of the user running R | |
| setProgress.ProgressBar | Sets current progress | |
| getRelativePath | Gets the relative pathname relative to a directory | |
| GString$getBuiltinHostname | Gets the hostname of the system running R | |
| renameFile | Renames a file safely | |
| Java$asByte | Converts a numeric to a Java byte | |
| Assert$isScalar | Static method asserting thatan object is a single value | |
| Arguments$getVector | Validates a vector | |
| Assert$inherits | Static method asserting that an object inherits from of a certain class | |
| on.Verbose | Turn on the output | |
| pushTemporaryFile | Appends a temporary suffix to the pathname | |
| gstring | Parses and evaluates a GString into a regular string | |
| isModified.Settings | Checks if settings has been modified compared to whats on file | |
| Arguments$getIntegers | Coerces to a integer vector and validates | |
| loadToEnv | Method to load objects to a new environment | |
| writeRaw.MultiVerbose | Writes to each of the Verbose objects | |
| readTableIndex | Reads a single column from file in table format | |
| reassignInPackage | Re-assigns a new value to an existing object in a loaded package | |
| Assert$isVector | Static method asserting thatan object is a vector | |
| warnings.Verbose | Outputs any warnings recorded | |
| popBackupFile | Drops a backup suffix from the backup pathname | |
| Java$readByte | Reads a Java formatted byte (8 bits) from a connection | |
| isVisible.NullVerbose | Checks if a certain verbose level will be shown or not | |
| print.GString | Prints the processed GString | |
| popMessage.TextStatusBar | Adds a message above the status bar | |
| swapXY.density | Swaps x and y coordinates of a density object | |
| callHooks.function | Call hook functions | |
| whichVector.logical | Identifies TRUE elements in a logical vector | |
| isAbsolutePath | Checks if this pathname is absolute | |
| Java$asInt | Converts an numeric to a Java integer | |
| header.Verbose | Writes a header | |
| Arguments$getEnvironment | Gets an existing environment | |
| evalWithTimeout | Evaluate an R expression and interrupts it if it takes too long | |
| draw.density | Draws a density curve | |
| createFileAtomically | Creates a file atomically | |
| names.Options | Gets the full pathname of all (non-list) options | |
| removeDirectory | Removes a directory | |
| setStepLength.ProgressBar | Sets default step length | |
| Java$readUTF | Reads a Java (UTF-8) formatted string from a connection | |
| toCamelCase | Converts a string of words into a merged camel-cased word | |
| off.Verbose | Turn off the output | |
| popTemporaryFile | Drops a temporary suffix from the temporary pathname | |
| writeDataFrame.data.frame | Writes a data.frame to tabular text file | |
| systemR | Launches another R process from within R | |
| getLabel.TextStatusBar | Gets the current value of a label | |
| readRdHelp | Reads one or more Rd help files in a certain format | |
| Java$writeByte | Writes a byte (8 bits) to a connection in Java format | |
| filePath | Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf | |
| printf | C-style formatted output | |
| mapToIntervals.numeric | Maps values to intervals | |
| increase.ProgressBar | Increases (steps) progress bar | |
| writeBinFragments | Writes binary data to disjoint sections of a connection or a file | |
| updateLabels.TextStatusBar | Sets the new values of given labels and updates the status bar | |
| readWindowsShortcut | Reads a Microsoft Windows Shortcut (.lnk file) | |
| toUrl | Converts a pathname into a URL | |
| saveObject | Saves an object to a file or a connection | |
| GString$getBuiltinTime | Gets the current time | |
| resample | Sample values from a set of elements | |
| Java$writeUTF | Writes a string to a connection in Java format (UTF-8) | |
| Arguments$getVerbose | Coerces to Verbose object | |
| newline.Verbose | Writes one or several empty lines | |
| update.ProgressBar | Updates progress bar | |
| lastModified | Gets the time when the file was last modified | |
| writeRaw.NullVerbose | All output methods | |
| isPackageLoaded | Checks if a package is loaded or not | |
| onGarbageCollect | Registers a function to be called when the R garbage collector is (detected to be) running | |
| setMaxValue.ProgressBar | Sets maximum value | |
| reset.SmartComments | Resets a SmartComments compiler | |
| update.TextStatusBar | Updates the status bar (visually) | |
| printf.Verbose | Formats and prints object if above threshold | |
| isReplicated | Identifies all entries with replicated values | |
| readBinFragments | Reads binary data from disjoint sections of a connection or a file | |
| subplots | Creates a grid of subplots | |
| newline.TextStatusBar | Writes a newline | |
| seqToHumanReadable | Gets a short human readable string representation of an vector of indices | |
| System$openBrowser | Opens an HTML document using the OS default HTML browser | |
| parse.SmartComments | Parses one single smart comment | |
| isFile | Checks if the file specification is a file | |
| loadObject | Method to load object from a file or a connection | |
| more.Verbose | Creates a cloned instance with a lower threshold | |
| seqToIntervals | Gets all contigous intervals of a vector of indices | |
| System$findGraphicsDevice | Searches for a working PNG device | |
| validate.VComments | Validates the compiled lines | |
| setLabels.TextStatusBar | Sets new values of given labels | |
| wrap.array | Reshape an array or a matrix by permuting and/or joining dimensions | |
| setLabel.TextStatusBar | Sets the value of a label | |
| isEof.connection | Checks if the current file position for a connection is at the 'End of File' | |
| getMessage.TimeoutException | Gets the message of the exception | |
| writeRaw.Verbose | Writes objects if above threshold | |
| readWindowsShellLink | Reads a Microsoft Windows Shortcut (.lnk file) | |
| parse.GString | Parses a GString | |
| isSingle | Identifies all entries that exists exactly ones | |
| hpaste | Concatenating vectors into human-readable strings | |
| moveInSearchPath | Moves a environment in the search path to another position | |
| ruler.Verbose | Writes a ruler | |
| sourceDirectory | Sources files recursively to either local or global environment | |
| setTicks.ProgressBar | Sets values for which ticks should be visible | |
| setOption.Options | Sets an option | |
| setThreshold.Verbose | Sets verbose threshold | |
| timestamp.Verbose | Writes a timestamp | |
| intToBin | Converts an integer to a binary/octal/hexadecimal number | |
| Arguments$getInstanceOf | Gets an instance of the object that is of a particular class | |
| pushState.Verbose | Pushes the current indentation state of the Verbose object | |
| Java$writeInt | Writes a integer (32 bits) to a connection in Java format | |
| gzip | Gzip/Gunzip a file | |
| splitByPattern | Splits a single character string by pattern | |
| Assert$isMatrix | Static method asserting thatan object is a matrix | |
| getLeaves.Options | Gets all (non-list) options in a flat list | |
| createWindowsShortcut | Creates a Microsoft Windows Shortcut (.lnk file) | |
| reset.VComments | Resets a VComments compiler | |
| setOption | Sets a option in R | |
| isPackageInstalled | Checks if a package is installed or not | |
| System$getUsername | Retrieves the name of the user running R | |
| isOpen.character | Checks if there is an open connection to a file | |
| getOption.Options | Gets an option | |
| touchFile | Updates the timestamp of a file | |
| listDirectory | Gets the file names in the directory | |
| saveAnywhere.Settings | Saves settings to file | |
| nbrOfOptions.Options | Gets the number of options set | |
| readTable | Reads a file in table format | |
| summary.Verbose | Generates a summary of an object if above threshold | |
| str.Options | Prints the structure of the options | |
| finalizeSession | Function to call for finalizing the R session | |
| stext | Writes text in the margin along the sides of a plot | |
| setValue.ProgressBar | Sets current value | |
| isZero | Checks if a value is (close to) zero or not | |
| validate.SmartComments | Validates the compiled lines | |
| Arguments$getNumerics | Coerces to a numeric vector and validates | |
| resetWarnings | Resets recorded warnings | |
| setDefaultLevel.Verbose | Sets the current default verbose level | |
| Non-documented objects | Non-documented objects | |
| createLink | Creates a link to a file or a directory | |
| downloadFile.character | Downloads a file | |
| exit.Verbose | Writes a message and unindents the following output | |
| insert | Insert values to a vector at certain positions | |
| isDone.ProgressBar | Checks if progress bar is completed | |
| loadAnywhere.Settings | Loads settings from file | |
| GString$getVariableValue | Gets a variable value given a name and attributes | |
| equals.Verbose | Checks if this object is equal to another | |
| System | Static class to query information about the system | |
| ProgressBar | Provides text based counting progress bar | |
| attachLocally.list | Assigns an objects elements locally | |
| cat.Verbose | Concatenates and prints objects if above threshold | |
| bunzip2 | Bunzip a file | |
| evaluate.Verbose | Evaluates a function and prints its results if above threshold | |
| Arguments$getRegularExpression | Gets a valid regular expression pattern | |
| System$getHostname | Retrieves the computer name of the current host | |
| less.Verbose | Creates a cloned instance with a higher threshold | |
| onSessionExit | Registers a function to be called when the R session finishes | |
| patchCode | Patches installed and loaded packages and more | |
| Java$readInt | Reads a Java formatted int (32 bits) from a connection | |
| promptAndSave.Settings | Prompt user to save modified settings | |
| queryRCmdCheck | Gets the on R CMD check if the current R session was launched by it | |
| flush.TextStatusBar | Flushes the output | |
| displayCode | Displays the contents of a text file with line numbers and more | |
| convertComment.SmartComments | Converts a single smart comment to R code | |
| Arguments$getCharacters | Coerces to a character vector and validates | |
| intervalsToSeq.matrix | Generates a vector of indices from a matrix of intervals | |
| getParent | Gets the string of the parent specified by this pathname | |
| arrayIndex | Converts vector indices to array indices | |
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Details
| Date | 2013-07-03 |
| License | LGPL (>= 2.1) |
| LazyLoad | TRUE |
| Packaged | 2013-07-03 11:30:02 UTC; hb |
| NeedsCompilation | no |
| Repository | CRAN |
| Date/Publication | 2013-07-04 17:02:30 |
| depends | base (>= 2.5.0) , R (>= 2.5.0) , R.oo (>= 1.13.9) |
| suggests | digest (>= 0.6.3) |
| imports | methods , R.methodsS3 (>= 1.4.4) , utils |
| Contributors | Henrik Bengtsson |
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