(Tcl) Unzip Selected Files from a Zip Archive

Demonstrates how to iterate over the files contained within a .zip and unzip specific files.

Chilkat Tcl Extension Downloads Chilkat Tcl Extension Downloads

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]

set success [CkZip_OpenZip $zip "my_files.zip"]
if {$success != 1} then {
    puts [CkZip_lastErrorText $zip]
    delete_CkZip $zip
    exit
}

set unzipDir "/temp/unzipDir"

# Get the number of files and directories in the .zip
set n [CkZip_get_NumEntries $zip]
puts "$n"

# entry is a CkZipEntry

for {set i 0} {$i <= [expr $n - 1]} {incr i} {

    set entry [CkZip_GetEntryByIndex $zip $i]
    if {[CkZipEntry_get_IsDirectory $entry] == 0} then {
        # (the filename may include a path)
        puts [CkZipEntry_fileName $entry]

        # Your application may choose to unzip this entry
        # based on the filename.
        # If the entry should be unzipped, then call Extract(unzipDir)
        set success [CkZipEntry_Extract $entry $unzipDir]
        if {$success != 1} then {
            puts [CkZipEntry_lastErrorText $entry]
            delete_CkZip $zip
            exit
        }

    }

    delete_CkZipEntry $entry

}

delete_CkZip $zip