Usage
## S3 method for class 'default}(filename, destname=gsub(".gz", "", filename), overwrite=FALSE, BFR.SIZE=1e+06, ...)':
gunzipundefined
Gunzip a file.
- filename{Pathname of (gzip'ed) input file to be gunzip'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.}
 - BFR.SIZE{The number of bytes read in each chunk.}
- ...{Not used.}
Returns the number of (input/compressed) bytes read.
Internally gzfile() (see connections) is used to
  read chunks of the gzip'ed file, which are then written to the output
  file. 
[object Object]
file
programming