- z3:encode-file FILENO #!key level filename comment ostype extraprocedure
Open a RFC1952 compressed "gzip" file (specified by the file-descriptor in FILENO) for encoded data. The keyword arguments have the following meaning:
- level
- Desired compression-level in the range 1 .. 9, or 0 for selecting the default compression level
- filename
- The name of the file to compress, will be included in the gzip-file header
- comment
- An arbitrary comment
- ostype
- Operating system indicator byte (defaults to -1)
- extra
- Extra data to be encoded in the header"
Returns a z3 file-handle.