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Find ZIP Entries Matching a Wildcard Pattern Using EntryMatching

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This example demonstrates how to use the EntryMatching method to find ZIP entries whose stored paths match a wildcard pattern.

The wildcard character * matches zero or more characters. The comparison is performed against the full stored path within the ZIP archive.

This method is useful for:

• Finding files having a particular extension
• Locating files within specific subdirectories
• Searching ZIP archives without manually iterating through every entry

Suppose the ZIP archive contains:

docs/
docs/readme.txt
docs/manual.pdf
images/logo.png
images/banner.jpg
data/config/settings.json

Notice that the ZIP archive contains an explicit directory entry named docs/. ZIP archives may optionally contain separate directory entries in addition to file entries.

When searching with the pattern docs/*, the first matching entry could therefore be the directory entry docs/ rather than a file contained within that directory.

The example searches for:

• The first .png file
• The first entry beneath the docs directory
• The first JSON file anywhere within the ZIP archive

AutoIt

Local $bSuccess = False

$bSuccess = False

; Open an existing ZIP archive.
$oZip = ObjCreate("Chilkat.Zip")

$bSuccess = $oZip.OpenZip("example.zip")
If ($bSuccess = False) Then
    ConsoleWrite($oZip.LastErrorText & @CRLF)
    Exit
EndIf

$oEntry = ObjCreate("Chilkat.ZipEntry")

; ------------------------------------------------------------
; Find the first .png file in the ZIP archive.

$bSuccess = $oZip.EntryMatching("*.png",$oEntry)

If ($bSuccess = True) Then
    ConsoleWrite("Found PNG file:" & @CRLF)
    ConsoleWrite("  " & $oEntry.FileName & @CRLF)
    ConsoleWrite("" & @CRLF)
EndIf

; ------------------------------------------------------------
; Find the first entry beneath the docs directory.
; 
; Note: ZIP archives may optionally contain explicit directory
; entries such as "docs/" in addition to file entries.
; Therefore, the first matching entry could be the directory
; itself rather than a file contained within the directory.

$bSuccess = $oZip.EntryMatching("docs/*",$oEntry)

If ($bSuccess = True) Then
    ConsoleWrite("First matching docs entry:" & @CRLF)
    ConsoleWrite("  " & $oEntry.FileName & @CRLF)
    ConsoleWrite("  IsDirectory = " & $oEntry.IsDirectory & @CRLF)
    ConsoleWrite("" & @CRLF)
EndIf

; ------------------------------------------------------------
; Find the first JSON file anywhere in the ZIP archive.

$bSuccess = $oZip.EntryMatching("*.json",$oEntry)

If ($bSuccess = True) Then
    ConsoleWrite("Found JSON file:" & @CRLF)
    ConsoleWrite("  " & $oEntry.FileName & @CRLF)
    ConsoleWrite("" & @CRLF)
EndIf

; ------------------------------------------------------------
; The matching is performed against the full stored ZIP path.
; For example:
; 
;     docs/readme.txt
;     images/logo.png
;     data/config/settings.json
; 
; The wildcard '*' matches zero or more characters.

$oZip.CloseZip 

ConsoleWrite("Done." & @CRLF)