(Tcl) Unzip Encrypted Text into a String Variable

Demonstrates how to open an encrypted .zip archive and unzip a text file directly into 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 the password required for decrypting.
CkZip_put_DecryptPassword $zip "myPassword"

set success [CkZip_OpenZip $zip "encrypted.zip"]
if {$success == 0} then {
    puts [CkZip_lastErrorText $zip]
    delete_CkZip $zip
    exit
}

# Locate the file within the Zip to be unzipped into a string variable:
set entry [new_CkZipEntry]

set success [CkZip_EntryMatching $zip "*.csv" $entry]
if {$success == 0} then {
    puts [CkZip_lastErrorText $zip]
    delete_CkZip $zip
    delete_CkZipEntry $entry
    exit
}

# lineEndingBehavior:
# 0 = leave unchanged.
# 1 = convert all to bare LF's
# 2 = convert all to CRLF's
set lineEndingBehavior 0
set srcCharset "utf-8"

set strCsv [CkZipEntry_unzipToString $entry $lineEndingBehavior $srcCharset]
puts "$strCsv"

delete_CkZip $zip
delete_CkZipEntry $entry