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GZip Create / Extract .gz File

See more Gzip Examples

Demonstrates how to compress a file to create a .gz (GZip) file.

Note: The .gz file format is a compressed file format. It contains a single file. The .gz file format is not an archive format (i.e. it does not contain a collection of files/directories such as with the .zip, .rar, or .tar file formats). GZip is often combined with TAR to create a .tgz (or .tar.gz).

Note: It is possible for a .gz to contain more than one file, but this is very uncommon.

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Local $bSuccess = False

; This example assumes the Chilkat API to have been previously unlocked.
; See Global Unlock Sample for sample code.

$oGzip = ObjCreate("Chilkat.Gzip")

; File-to-file GZip:
; Compress "hamlet.xml" to create "hamlet.xml.gz"
$bSuccess = $oGzip.CompressFile("hamlet.xml","hamlet.xml.gz")
If ($bSuccess = False) Then
    ConsoleWrite($oGzip.LastErrorText & @CRLF)
    Exit
EndIf

; File-to-file ungzip
; Decompress "hamlet.xml.gz" to create "hamletOut.xml"
$bSuccess = $oGzip.UncompressFile("hamlet.xml.gz","hamletOut.xml")
If ($bSuccess = False) Then
    ConsoleWrite($oGzip.LastErrorText & @CRLF)
    Exit
EndIf

; File-to-string ungzip
; Decompress the contents of a .gz directly to a string variable:
; The 2nd argument indicates the charset of the character
; data after it is decompressed.
Local $sXmlStr
$sXmlStr = $oGzip.UncompressFileToString("hamlet.xml.gz","utf-8")
If ($bSuccess = False) Then
    ConsoleWrite($oGzip.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite($sXmlStr & @CRLF)

; The Chilkat GZip API provides much more flexibility than shown
; here.  See the reference documentation at 
; http://www.chilkatsoft.com/refdoc for more information