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Fetch Icon Fetch Help > Concepts > Gzipped Tar Archive Format

Gzipped Tar Archive format is a compression and archive format common on Unix systems. It uses Tar, a Unix archiving utility, to combine files into an archive, and then Gzip to compress the archive to make it smaller. Gzipped Tar archives are sometime known as tarballs. Gzipped Tar archives typically have names ending with the extensions ".tar.gz" or ".tgz". Fetch can create Gzipped Tar archives when putting files, and automatically decode them when getting files.

Gzipped Tar Archive format will only encode the data part of Macintosh files, so you should only use it for files that contain no special Macintosh information. Gzipped Tar Archive format may be a good choice if you want to combine a set of files together in one archive for downloading by Unix users. Fetch's automatic decoding or StuffIt Expander can decode Gzipped Tar archives on the Macintosh.

See the upload formats help topic for information about encoding files in Gzipped Tar Archive format when uploading. You cannot set Gzipped Tar Archive format as your default upload format.

Fetch automatically recognizes and decodes Gzipped Tar archives when downloading, although automatic recognition can be turned on and off by selecting a remote file whose name ends with ".tar.gz", choosing Remote > Get Info to show the info window, and, in the Transfer Options pane, checking or unchecking the Automatically decode files like this checkbox.

Fetch automatically recognizes and decodes Gzipped Tar archives when downloading, although automatic recognition can be turned on and off by either:

  • Selecting a remote file whose name ends with ".tar.gz", choosing Remote > Get Info to show the info window, and, in the Transfer Options pane, checking or unchecking the Automatically decode files like this checkbox — this will enable or disable decoding of Gzipped Tar archives but will not affect the decoding of other formats, such as Zip or StuffIt archives;
  • Or choosing Fetch > Preferences, clicking the Download tab, and checking or unchecking the Allow automatic decoding of downloaded files checkbox — this will enable or disable decoding of all file types.

For more information about using Gzipped Tar archives in Fetch, see the StuffIt and Archive Formats help topic. For more information about the Gzip format in general, see the Gzip home page.

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