(Tcl) Iterate over Matching Filenames

Iterates over files within a .zip that match a pattern. In this case, the pattern is "*.pem". This example will open a .zip containing files of type .txt, .cer, .pem, and possibly others, and will iterate over only the .pem files.

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load ./chilkat.dll

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

set zip [new_CkZip]

# Open a .zip containing PEM files, among other things..
set success [CkZip_OpenZip $zip "qa_data/certs/thawte-roots.zip"]
if {[expr $success != 1]} then {
    puts [CkZip_lastErrorText $zip]
    delete_CkZip $zip
    exit
}

# entry is a CkZipEntry
set entry [CkZip_FirstMatchingEntry $zip "*.pem"]
if {[expr [CkZip_get_LastMethodSuccess $zip] != 1]} then {
    puts "No PEM entries found."
    delete_CkZip $zip
    exit
}

# nextEntry is a CkZipEntry

set bContinue 1
while {[expr $bContinue == 1]} {

    puts "Entry: [CkZipEntry_fileName $entry]"

    # Get the uncommpressed contents of the entry:
    set pemStr [CkZipEntry_unzipToString $entry 0 "utf-8"]
    puts "$pemStr"

    set nextEntry [CkZipEntry_NextMatchingEntry $entry "*.pem"]
    set bContinue [CkZipEntry_get_LastMethodSuccess $entry]
    delete_CkZipEntry $entry

    set entry $nextEntry
}

delete_CkZip $zip