writeColumnsToFiles.TabularTextFile {R.filesets} | R Documentation |
Read each column from a data file and exports it to a separate file. Since each column is process independently of the others, this method is memory efficient and can handle very large data files.
## S3 method for class 'TabularTextFile': writeColumnsToFiles(this, destPath, filenameFmt="%s.txt", tags=NULL, columnName=NULL, header=NULL, ..., verbose=FALSE)
destPath |
The output directory where to write the files. |
filenameFmt |
An sprintf () format string used to generate
filenames given the fullnames (column names plus tags). |
tags |
An optional character vector of tags added to the fullnames. |
columnName |
... |
header |
An optional file header. |
... |
Not used. |
verbose |
See Verbose . |
Returns (invisibly) a character
vector
of all output files.
Henrik Bengtsson (http://www.braju.com/R/)
For more information see TabularTextFile
.