bunzip2

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Bunzip a file

Bunzip a file.

Keywords
file, programming
Usage
## S3 method for class 'default':
bunzip2(filename, destname=gsub("[.]bz2$", "", filename), overwrite=FALSE, remove=TRUE, BFR.SIZE=1e+07, ...)
Arguments
filename
Pathname of (bzip2'ed) input file to be bunzip2'ed.
destname
Pathname of output file.
overwrite
If the output file already exists, then if overwrite is TRUE the file is silently overwritting, otherwise an exception is thrown.
remove
If TRUE, the input file is removed afterward, otherwise not.
BFR.SIZE
The number of bytes read in each chunk.
...
Not used.
Details

Internally bzfile() (see connections) is used to read chunks of the bzip2'ed file, which are then written to the output file.

Value

  • Returns the number of (input/compressed) bytes read.

Aliases
  • bunzip2.default
  • bunzip2
Documentation reproduced from package R.utils, version 1.7.3, License: LGPL (>= 2.1)

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