R.utils v1.1.1
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Various programming utilities
This package provides utility classes and methods useful when programming in R and developing R packages.
Functions in R.utils
| Name | Description | |
| LComments | The LComments class | |
| capitalize | Capitalizes/decapitalizes each character string in a vector | |
| VComments | The VComments class | |
| as.character.ProgressBar | Gets a string description of the progress bar | |
| asByte.Java | Converts a numeric to a Java byte | |
| Options | The Options class | |
| check.Assert | Static method asserting that a generic condition is true | |
| cat.Verbose | Concatenates and prints objects if above threshold | |
| asShort.Java | Converts a numeric to a Java short | |
| eps | EPS graphics device | |
| getLeaves.Options | Gets all (non-list) options in a flat list | |
| currentTimeMillis.System | Get the current time in milliseconds | |
| devGetLabel | Gets the label of a device | |
| getHostname.System | Retrieves the computer name of the current host | |
| isOn.Verbose | Checks if the output is on | |
| compile.SmartComments | Preprocess a vector of code lines | |
| listDirectory | Gets the file names in the directory | |
| NullVerbose | A Verbose class ignoring everything | |
| print.GString | Prints the processed GString | |
| getRegularExpression.Arguments | Gets a valid regular expression pattern | |
| as.character.Options | Returns a character string version of this object | |
| isScalar.Assert | Static method asserting thatan object is a single value | |
| Settings | Class for applicational settings | |
| names.Options | Gets the full pathname of all (non-list) options | |
| Assert | The Assert class | |
| convertComment.VComments | Converts a verbose comment to R code | |
| callHooks.function | Call hook functions | |
| System | Static class to query information about the system | |
| getVariableValue.GString | Gets a variable value given a name and attributes | |
| getIndices.Arguments | Coerces to a integer vector and validates | |
| findGhostscript.System | Searches for the ghostview binary on the current system | |
| findGraphicsDevice.System | Searches for a working PNG device | |
| SmartComments | Abstract class SmartComments | |
| fileAccess | Checks the permission of a file | |
| getThreshold.Verbose | Gets current verbose threshold | |
| isMatrix.Assert | Static method asserting thatan object is a matrix | |
| lapply.MultiVerbose | Applies a function to each of the Verbose objects | |
| ProgressBar | Provides text based counting progress bar | |
| FileProgressBar | A progress bar that sets the size of a file accordingly | |
| doCall | Executes a function call with option to ignore unused arguments | |
| finalizeSession | Function to call for finalizing the R session | |
| setTicks.ProgressBar | Sets values for which ticks should be visible | |
| inherits.Assert | Static method asserting that an object inherits from of a certain class | |
| getBuiltinRversion.GString | Gets the current R version | |
| as.list.Options | Gets a list representation of the options | |
| devNew | Opens a new device | |
| getRelativePath | Gets the relative pathname relative to a directory | |
| mergeIntervals.numeric | Merges intervals | |
| asInt.Java | Converts an numeric to a Java integer | |
| detachPackage | Detaches a packages by name | |
| Non-documented objects | Non-documented objects | |
| equals.Verbose | Checks if this object is equal to another | |
| devDone | Closes an on-screen (interactive) device | |
| print.Verbose | Prints objects if above threshold | |
| arrayIndex | Converts vector indices to array indices | |
| as.character.GString | Gets the processed character string | |
| MultiVerbose | A Verbose class ignoring everything | |
| setOption.Options | Sets an option | |
| getRaw.GString | Gets the unprocessed GString | |
| hasUrlProtocol | Checks if one or several pathnames has a URL protocol | |
| getIntegers.Arguments | Coerces to a integer vector and validates | |
| asLong.Java | Converts a numeric to a Java long | |
| splitByPattern | Splits a single character string by pattern | |
| Java | Static class for Java related methods | |
| isOpen.character | Checks if there is an open connection in Rto a file | |
| isEof.connection | Checks if the current file position for a connection is at the 'End of File' | |
| Arguments | Static class to validate and process arguments | |
| convertComment.SmartComments | Converts a single smart comment to R code | |
| getBuiltinUsername.GString | Gets the username of the user running R | |
| colClasses | Creates a vector of column classes used for tabular reading | |
| update.FileProgressBar | Updates file progress bar | |
| commandArgs | Extract Command Line Arguments | |
| filePath | Construct the path to a file from components and expands Windows Shortcuts along the pathname from root to leaf | |
| toUrl | Converts a pathname into a URL | |
| intToBin | Converts an integer to a binary/octal/hexadecimal number | |
| equals.Options | Checks if this object is equal to another Options object | |
| remove.FileProgressBar | Removes the progress file for a file progress bar | |
| getBuiltinDatetime.GString | Gets the current date and time | |
| extract.array | Extract a subset of an array, matrix or a vector with unknown dimensions | |
| isAbsolutePath | Checks if this pathname is absolute | |
| seqToHumanReadable | Gets a short human readable string representation of an vector of indices | |
| dataFrame | Allocates a data frame with given column classes | |
| str.Options | Prints the structure of the options | |
| isVector.Assert | Static method asserting thatan object is a vector | |
| isPackageLoaded | Checks if a package is loaded or not | |
| openBrowser.System | Opens an HTML document using the OS default HTML browser | |
| parseDebian.System | Parses a string, file or connection for Debian formatted parameters | |
| isUrl | Checks if one or several pathnames is URLs | |
| resetWarnings | Resets recorded warnings | |
| devList | Lists the indices of the open devices named by their labels | |
| getVector.Arguments | Validates a vector | |
| getLogicals.Arguments | Coerces to a logical vector and validates | |
| isVisible.NullVerbose | Checks if a certain verbose level will be shown or not | |
| R.utils-package | Package R.utils | |
| copyDirectory | Copies a directory | |
| devSetLabel | Sets the label of a device | |
| writeShort.Java | Writes a short (16 bits) to a connection in Java format | |
| devOff | Closes a device | |
| readBinFragments | Reads binary data from disjoint sections of a connection or a file | |
| reassignInPackage | Re-assigns a new value to an existing object in a loaded package | |
| as.double.Verbose | Gets a numeric value of this object | |
| popMessage.TextStatusBar | Adds a message above the status bar | |
| getBuiltinHostname.GString | Gets the hostname of the system running R | |
| str.Verbose | Prints the structure of an object if above threshold | |
| getVerbose.Arguments | Coerces to Verbose object | |
| lastModified | Gets the time when the file was last modified | |
| bunzip2 | Bunzip a file | |
| setStepLength.ProgressBar | Sets default step length | |
| exit.Verbose | Writes a message and unindents the following output | |
| on.Verbose | Turn on the output | |
| getBarString.ProgressBar | Gets the progress bar string to be displayed | |
| summary.Verbose | Generates a summary of an object if above threshold | |
| evaluate.Verbose | Evaluates a function and prints its results if above threshold | |
| devIsOpen | Checks if a device is open or not | |
| getBuiltinDate.GString | Gets the current date | |
| enter.Verbose | Writes a message and indents the following output | |
| moveInSearchPath | Moves a environment in the search path to another position | |
| getBuiltinTime.GString | Gets the current time | |
| jpeg2 | A JPEG device for Bitmap Files via GhostScript | |
| setLabel.TextStatusBar | Sets the value of a label | |
| as.logical.Verbose | Gets a logical value of this object | |
| gzip | Gzip/Gunzip a file | |
| setTimestampFormat.Verbose | Sets the default timestamp format | |
| mkdirs | Creates a directory including any necessary but nonexistent parent directories | |
| less.Verbose | Creates a cloned instance with a higher threshold | |
| findSettings.Settings | Searches for the settings file in one or several directories | |
| getLabel.TextStatusBar | Gets the current value of a label | |
| as.character.binmode | Converts a binary/octal/hexadecimal number into a string | |
| getBuiltinRhome.GString | Gets the path where R is installed | |
| setLabels.TextStatusBar | Sets new values of given labels | |
| setValue.ProgressBar | Sets current value | |
| attachLocally.list | Assigns an objects elements locally | |
| getUsername.System | Retrieves the name of the user running R | |
| getBuiltinOs.GString | Gets the operating system of the running machine | |
| updateLabels.TextStatusBar | Sets the new values of given labels and updates the status bar | |
| sourceTo | Parses and evaluates code from a file or a connection | |
| getNumerics.Arguments | Coerces to a numeric vector and validates | |
| loadAnywhere.Settings | Loads settings from file | |
| devSet | Activates a device | |
| reset.ProgressBar | Reset progress bar | |
| saveAnywhere.Settings | Saves settings to file | |
| isModified.Settings | Checks if settings has been modified compared to whats on file | |
| getEnvironment.Arguments | Gets an existing environment | |
| update.TextStatusBar | Updates the status bar (visually) | |
| readTableIndex | Reads a single column from file in table format | |
| printf.Verbose | Formats and prints object if above threshold | |
| mapToIntervals.numeric | Maps values to intervals | |
| parse.GString | Parses a GString | |
| pushState.Verbose | Pushes the current indentation state of the Verbose object | |
| inAnyInterval.numeric | Checks if a set of values are inside one or more intervals | |
| displayCode | Displays the contents of a text file with line numbers and more | |
| newline.Verbose | Writes one or several empty lines | |
| writeBinFragments | Writes binary data to disjoint sections of a connection or a file | |
| wrap.array | Reshape an array or a matrix by permuting and/or joining dimensions | |
| reset.SmartComments | Resets a SmartComments compiler | |
| header.Verbose | Writes a header | |
| writeByte.Java | Writes a byte (8 bits) to a connection in Java format | |
| getLoadedPathname.Settings | Gets the pathname of the settings file loaded | |
| Verbose | Class to writing verbose messages to a connection or file | |
| writeRaw.Verbose | Writes objects if above threshold | |
| getBuiltinPid.GString | Gets the process id of the current R session | |
| getParent | Gets the string of the parent specified by this pathname | |
| insert | Insert values to a vector at certain positions | |
| isDirectory | Checks if the file specification is a directory | |
| hasOption.Options | Checks if an option exists | |
| promptAndSave.Settings | Prompt user to save modified settings | |
| reset.VComments | Resets a VComments compiler | |
| getCharacters.Arguments | Coerces to a character vector and validates | |
| countLines | Counts the number of lines in a text file | |
| isZero | Checks if a value is (close to) zero or not | |
| increase.ProgressBar | Increases (steps) progress bar | |
| as.character.Verbose | Returns a character string version of this object | |
| getTimestampFormat.Verbose | Gets the default timestamp format | |
| validate.VComments | Validates the compiled lines | |
| relibrary | Reloads a package | |
| readByte.Java | Reads a Java formatted byte (8 bits) from a connection | |
| seqToIntervals | Gets all contigous intervals of a vector of indices | |
| getDoubles.Arguments | Coerces to a double vector and validates | |
| intervalsToSeq.matrix | Generates a vector of indices from a matrix of intervals | |
| getReadablePathnames.Arguments | Gets a readable pathname | |
| off.Verbose | Turn off the output | |
| timestamp.Verbose | Writes a timestamp | |
| onSessionExit | Registers a function to be called when the R session finishes | |
| readShort.Java | Reads a Java formatted short (16 bits) from a connection | |
| addFinalizerToLast | Modifies .Last() to call 'finalizeSession() | |
| Sys.setenv | Sys.setenv | |
| validate.SmartComments | Validates the compiled lines | |
| TextStatusBar | A status bar at the R prompt that can be updated | |
| nbrOfOptions.Options | Gets the number of options set | |
| loadToEnv | Method to load objects to a new environment | |
| loadObject | Method to load object from a file or a connection | |
| saveObject | Saves an object to a file or a connection | |
| newline.TextStatusBar | Writes a newline | |
| getOption.Options | Gets an option | |
| setDefaultLevel.Verbose | Sets the current default verbose level | |
| writeInt.Java | Writes a integer (32 bits) to a connection in Java format | |
| update.ProgressBar | Updates progress bar | |
| setThreshold.Verbose | Sets verbose threshold | |
| toCamelCase | Converts a string of words into a merged camel-cased word | |
| getWritablePathname.Arguments | Gets a writable pathname | |
| isFile | Checks if the file specification is a file | |
| whichVector.logical | Identifies TRUE elements in a logical vector | |
| readUTF.Java | Reads a Java (UTF-8) formatted string from a connection | |
| isDone.ProgressBar | Checks if progress bar is completed | |
| unwrap.array | Unwrap an array, matrix or a vector to an array of more dimensions | |
| isVisible.Verbose | Checks if a certain verbose level will be shown or not | |
| setProgress.ProgressBar | Sets current progress | |
| ruler.Verbose | Writes a ruler | |
| flush.TextStatusBar | Flushes the output | |
| sourceDirectory | Sources files recursively to either local or global environment | |
| writeRaw.NullVerbose | All output methods | |
| more.Verbose | Creates a cloned instance with a lower threshold | |
| readInt.Java | Reads a Java formatted int (32 bits) from a connection | |
| callHooks | Call hook functions by hook name | |
| touchFile | Updates the timestamp of a file | |
| writeUTF.Java | Writes a string to a connection in Java format (UTF-8) | |
| readTable | Reads a file in table format | |
| readWindowsShortcut | Reads a Microsoft Windows Shortcut (.lnk file) | |
| patchCode | Patches installed and loaded packages and more | |
| warnings.Verbose | Outputs any warnings recorded | |
| GString | Character string with advanced substitutions | |
| capture.Verbose | Captures output of a function | |
| copyFile | Copies a file safely | |
| getAbsolutePath | Gets the absolute pathname string | |
| getReadablePathname.Arguments | Gets a readable pathname | |
| isOn.NullVerbose | Checks if the output is on | |
| png2 | A PNG device for Bitmap Files via GhostScript | |
| parse.SmartComments | Parses one single smart comment | |
| timestampOn.Verbose | Turns automatic timestamping on and off | |
| setMaxValue.ProgressBar | Sets maximum value | |
| writeRaw.MultiVerbose | Writes to each of the Verbose objects | |
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Details
| Date | 2008-12-04 |
| License | LGPL (>= 2.1) |
| URL | http://www.braju.com/R/ |
| LazyLoad | TRUE |
| Packaged | Thu Dec 4 20:54:12 2008; hb |
| depends | base (>= 2.4.0) , R (>= 2.4.0) , R.oo |
| suggests | digest |
| Contributors | Henrik Bengtsson |
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