Usage
## S3 method for class 'default}(filename, destname=gsub("[.]gz$", "", filename), overwrite=FALSE, remove=TRUE, BFR.SIZE=1e+07, ...)':
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.}
- remove
{If TRUE
, the input file is removed afterward,
otherwise not.}
- 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