bunzip2
From R.utils v1.23.2
by Henrik Bengtsson
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
overwriteisTRUEthe 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.
Community examples
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