cat.path Simple and robust way to create full-path file names. classify.ext Classify file types readable by standard R I/O functions. column.salvage Change column name in different form to desired form. conv.fixed.width Convert a matrix or dataframe to fixed-width for nice file output file.ncol Find the number of columns (lines) in a file. file.nrow Find the number of rows (lines) in a file. find.file Search for a directory to add to the path so that a file exists. find.id.col Find which column in a dataframe contains a specified set of values. force.frame returns a dataframe if 'unknown.data' can in anyway relate to such: force.vec returns a vector if 'unknown.data' can in anyway relate to such: get.delim Determine the delimiter for a text data file. get.ext Get the file extension from a file-name. is.file Test whether a file exists in a target directory, or alternative list of directories. n.readLines Read 'n' lines (ignoring comments and header) from a file. parse.args Function to collect arguments when running R from the command line reader Flexibly load from a text or binary file, accepts multiple file formats. reader-package Suite of Functions to Flexibly Read Data from Files rmv.ext Remove the file extension from a file-name. shift.rownames Shift the first column of a dataframe to rownames() if appropriate.