(Tcl) Unzip Text File to String

Demonstrates how to open a .zip and extract the 1st file (assuming it's a text file) to a string variable.

Note: This example requires Chilkat v11.0.0 or greater.

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load ./chilkat.dll

set success 0

# 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 $zip "qa_data/zips/EC16100.zip"]
if {$success == 0} then {
    puts [CkZip_lastErrorText $zip]
    delete_CkZip $zip
    exit
}

# Get the 1st file in the .zip
set entry [new_CkZipEntry]

set success [CkZip_EntryAt $zip 0 $entry]
if {$success == 0} then {
    puts [CkZip_lastErrorText $zip]
    delete_CkZip $zip
    delete_CkZipEntry $entry
    exit
}

set fileContents [CkZipEntry_unzipToString $entry 0 "utf-8"]
puts "$fileContents"

delete_CkZip $zip
delete_CkZipEntry $entry