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R.utils::Sys.readlink2 Read File Symbolic Links (also on Windows)
R.utils::compressFile.default Compressing and decompressing files
R.utils::compressPDF.default Compresses a PDF (into a new PDF)
R.utils::copyDirectory.default Copies a directory
R.utils::createLink.default Creates a link to a file or a directory
R.utils::createWindowsShortcut.default Creates a Microsoft Windows Shortcut (.lnk file)
R.utils::dimNA< -.default Sets the dimension of an object with the option to infer one dimension automatically
R.utils::displayCode.default Displays the contents of a text file with line numbers and more
R.utils::downloadFile.character Downloads a file
R.utils::eget Gets a variable by name
R.utils::file.info2 Extract File Information (acknowledging symbolic file links also on Windows)
R.utils::findFiles.default Finds one or several files in multiple directories
R.utils::installPackages.default Install R packages by name or URL
R.utils::mpager A \"pager\" function that outputs to standard error
R.utils::nullfile Gets the pathname or a connection to the NULL device on the current platform
R.utils::readWindowsShellLink.default Reads a Microsoft Windows Shortcut (.lnk file)
R.utils::readWindowsShortcut.default Reads a Microsoft Windows Shortcut (.lnk file)
R.utils::shell.exec2 Open a file or URL using Windows File Associations
R.utils::tmpfile Creates a temporary file with content
R.utils::touchFile.default Updates the timestamp of a file
raster::extension Filename extensions
raster::readIniFile Read a .ini file
tm::readPDF Read In a PDF Document
tm::stopwords Stopwords
XML::[<-.XMLNode Assign sub-nodes to an XML node
XML::startElement.SAX Generic Methods for SAX callbacks
XML::append.xmlNode Add children to an XML node
XML::asXMLNode Converts non-XML node objects to XMLTextNode objects
XML::dtdElement Gets the definition of an element or entity from a DTD.
XML::dtdElementValidEntry.character Determines whether an XML element allows a particular type of sub-element.
XML::dtdIsAttribute Query if a name is a valid attribute of a DTD element.
XML::dtdValidElement Determines whether an XML tag is valid within another.
XML::genericSAXHandlers SAX generic callback handler list
XML::getNodeSet Find matching nodes in an internal XML tree/DOM
XML::length.XMLNode Determine the number of children in an XMLNode object.
XML::names.XMLNode Get the names of an XML nodes children.
XML::parseDTD Read a Document Type Definition (DTD)
XML::print.XMLAttributeDef Methods for displaying XML objects
XML::saveXML Output internal XML Tree
XML::supportsExpat Determines which native XML parsers are being used.
XML::toString.XMLNode Creates string representation of XML node
XML::xmlApply Applies a function to each of the children of an XMLNode
XML::xmlAttributeType The type of an XML attribute for element from the DTD
XML::xmlAttrs Get the list of attributes of an XML node.
XML::xmlChildren Gets the sub-nodes within an XMLNode object.
XML::xmlContainsEntity Checks if an entity is defined within a DTD.
XML::xmlDOMApply Apply function to nodes in an XML tree/DOM.
XML::xmlElementsByTagName Retrieve the children of an XML node with a specific tag name
XML::xmlEventHandler Default handlers for the SAX-style event XML parser
XML::xmlEventParse XML Event/Callback element-wise Parser
XML::xmlGetAttr Get the value of an attribute in an XML node
XML::xmlHandler Example XML Event Parser Handler Functions
XML::xmlName Extraces the tag name of an XMLNode object.
XML::xmlNamespace Retrieve the namespace value of an XML node.
XML::xmlNode Create an XML node
XML::xmlOutputBuffer XML output streams
XML::xmlParent Get parent node of XMLInternalNode or ancestor nodes
XML::xmlRoot Get the top-level XML node.
XML::xmlSize The number of sub-elements within an XML node.
XML::[.XMLNode Convenience accessors for the children of XMLNode objects.
XML::xmlTreeParse XML Parser
XML::xmlValue Extract or set the contents of a leaf XML node
xtable::xtable Create Export Tables
base::basename Manipulate File Paths
base::cat Concatenate and Print
base::connections Functions to Manipulate Connections (Files, URLs, ...)
base::read.dcf Read and Write Data in DCF Format
base::dput Write an Object to a File or Recreate it
base::dump Text Representations of R Objects
base::file.access Ascertain File Accessibility
base::file.choose Choose a File Interactively
base::file.info Extract File Information
base::file.path Construct Path to File
base::file.show Display One or More Text Files
base::files File Manipulation
base::dir.create Manipulation of Directories and File Permissions
base::gzcon (De)compress I/O Through Connections
base::list.files List the Files in a Directory/Folder
base::load Reload Saved Datasets
base::memCompress In-memory Compression and Decompression
base::parse Parse R Expressions
base::path.expand Expand File Paths
base::.Platform Platform Specific Variables
base::rawConnection Raw Connections
base::readBin Transfer Binary Data To and From Connections
base::readChar Transfer Character Strings To and From Connections
base::readLines Read Text Lines from a Connection
base::readRDS Serialization Interface for Single Objects
base::readRenviron Set Environment Variables from a File
base::save Save R Objects
base::scan Read Data Values
base::seek Functions to Reposition Connections
base::serialize Simple Serialization Interface
base::sink Send R Output to a File
base::source Read R Code from a File, a Connection or Expressions
base::Sys.glob Wildcard Expansion on File Paths
base::Sys.readlink Read File Symbolic Links
base::Sys.setFileTime Set File Time
base::sys.source Parse and Evaluate Expressions from a File
base::system.file Find Names of R System Files
base::system Invoke a System Command
base::system2 Invoke a System Command
base::tempfile Create Names for Temporary Files
base::textConnection Text Connections
base::unlink Delete Files and Directories
base::file path encoding File Paths not in the Native Encoding
base::write Write Data to a File
base::writeLines Write Lines to a Connection
foreign::lookup.xport Lookup Information on a SAS XPORT Format Library
foreign::data.restore Read an S3 Binary or data.dump File
foreign::read.arff Read Data from ARFF Files
foreign::read.dbf Read a DBF File
foreign::read.dta Read Stata Binary Files
foreign::read.epiinfo Read Epi Info Data Files
foreign::read.mtp Read a Minitab Portable Worksheet
foreign::read.octave Read Octave Text Data Files
foreign::read.spss Read an SPSS Data File
foreign::read.ssd Obtain a Data Frame from a SAS Permanent Dataset, via read.xport
foreign::read.systat Obtain a Data Frame from a Systat File
foreign::read.xport Read a SAS XPORT Format Library
foreign::write.arff Write Data into ARFF Files
foreign::write.dbf Write a DBF File
foreign::write.dta Write Files in Stata Binary Format
foreign::write.foreign Write Text Files and Code to Read Them
MASS::write.matrix Write a Matrix or Data Frame
tcltk::tk_choose.dir Choose a Folder Interactively
tcltk::tk_choose.files Choose a List of Files Interactively
tools::file_ext File Utilities
tools::read.00Index Read 00Index-style Files
tools::update_PACKAGES Update Existing PACKAGES Files
tools::write_PACKAGES Generate PACKAGES Files
utils::browseURL Load URL into an HTML Browser
utils::fileSnapshot Detect which Files Have Changed
utils::choose.dir Choose a Folder Interactively on MS Windows
utils::choose.files Choose a List of Files Interactively on MS Windows
utils::count.fields Count the Number of Fields per Line
utils::data.entry Spreadsheet Interface for Entering Data
utils::file_test Shell-style Tests on Files
utils::glob2rx Change Wildcard or Globbing Pattern into Regular Expression
utils::package.skeleton Create a Skeleton for a New Source Package
utils::read.DIF Data Input from Spreadsheet
utils::read.fortran Read Fixed-Format Data in a Fortran-like Style
utils::read.fwf Read Fixed Width Format Files
utils::read.table Data Input
utils::tar Create a Tar Archive
utils::untar Extract or List Tar Archives
utils::unzip Extract or List Zip Archives
utils::url.show Display a Text URL
utils::write.table Data Output
utils::zip Create Zip Archives