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(Visual FoxPro) Unzip Files Matching a Pattern (such as *.xml)

Example code to unzip Files Matching a Pattern (such as *.xml)

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

LOCAL loHttp
LOCAL lnSuccess
LOCAL loZip
LOCAL lcZipContentsXml
LOCAL lnCount

*  This example works with the .zip located at http://www.example-code.com/data/test.zip

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

*  First, let's download the .zip
loHttp = CreateObject('Chilkat_9_5_0.Http')
lnSuccess = loHttp.Download("http://www.example-code.com/data/test.zip","qa_test/test.zip")
IF (lnSuccess <> 1) THEN
    ? loHttp.LastErrorText
    RELEASE loHttp
    CANCEL
ENDIF

loZip = CreateObject('Chilkat_9_5_0.Zip')

lnSuccess = loZip.OpenZip("qa_test/test.zip")
IF (lnSuccess <> 1) THEN
    ? loZip.LastErrorText
    RELEASE loHttp
    RELEASE loZip
    CANCEL
ENDIF

*  Show what's in the .zip by getting the directory as XML.
lcZipContentsXml = loZip.GetDirectoryAsXML()
IF (loZip.LastMethodSuccess <> 1) THEN
    ? loZip.LastErrorText
    RELEASE loHttp
    RELEASE loZip
    CANCEL
ENDIF

? lcZipContentsXml

*  In this case, the contents of our .zip look like this:
*  <?xml version="1.0" encoding="utf-8" ?>
*  <zip_contents>
*      <dir name="test">
*          <dir name="abc">
*              <dir name="123">
*                  <file>ecc_public.pem</file>
*                  <file>starfish.jpg</file>
*              </dir>
*              <file>comodo-certificates.pem</file>
*              <file>pigs.xml</file>
*          </dir>
*          <file>COMODORSACertificationAuthority.crt</file>
*          <file>hamlet.xml</file>
*      </dir>
*  </zip_contents>

*  ------------------------------------------------------------------------
*  If we wish to unzip only .xml files, use "*.xml" for the pattern\
*  Unzip to the "qa_output" directory relative to our current working directory.
*  (You may unzip to an absolute path by passing an absolute path, such as "/someDir" or
*  "C:/someDir", etc.)
*  This will unzip only the .xml files.  The relative directory structure within
*  the .zip will be created in the local filesystem under the unzip directory
*  path passed in the first argument, which in this case is "qa_output".
lnCount = loZip.UnzipMatching("qa_output","*.xml",1)
IF (lnCount < 0) THEN
    ? loZip.LastErrorText
    RELEASE loHttp
    RELEASE loZip
    CANCEL
ENDIF

? "unzipped " + STR(lnCount) + " matching file(s)."

*  ------------------------------------------------------------------------
*  If we wish to unzip only files under the "123" directory, we can do this:
lnCount = loZip.UnzipMatching("qa_output2","*/123/*",1)
IF (lnCount < 0) THEN
    ? loZip.LastErrorText
    RELEASE loHttp
    RELEASE loZip
    CANCEL
ENDIF

? "unzipped " + STR(lnCount) + " matching file(s)."

*  ------------------------------------------------------------------------
*  If no asterisk character is used, then the match must be exact.
*  For example, to unzip "test/hamlet.xml" we must pass the exact path
*  as it is in the .zip.  We cannot just pass "hamlet.xml".
lnCount = loZip.UnzipMatching("qa_output3","test/hamlet.xml",1)
IF (lnCount < 0) THEN
    ? loZip.LastErrorText
    RELEASE loHttp
    RELEASE loZip
    CANCEL
ENDIF

? "unzipped " + STR(lnCount) + " matching file(s)."

*  ------------------------------------------------------------------------
*  If we want to unzip any file named "hamlet.xml" found in any sub-directory...
lnCount = loZip.UnzipMatching("qa_output4","*/hamlet.xml",1)
IF (lnCount < 0) THEN
    ? loZip.LastErrorText
    RELEASE loHttp
    RELEASE loZip
    CANCEL
ENDIF

? "unzipped " + STR(lnCount) + " matching file(s)."

RELEASE loHttp
RELEASE loZip


 

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