(Tcl) SFTP Sync Download Tree w/ Must-Match Filename Constraints

Demonstrates how synchronize a directory tree in the download direction, but only download files matching a set of wildcard filenames.

Note: This example requires Chilkat v9.5.0.76 or greater.

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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 sftp [new_CkSFtp]

set success [CkSFtp_Connect $sftp "my-ssh-server.com" 22]
if {$success == 1} then {
    set success [CkSFtp_AuthenticatePw $sftp "mySshLogin" "mySshPassword"]
}

if {$success == 1} then {
    set success [CkSFtp_InitializeSftp $sftp]
}

if {$success != 1} then {
    puts [CkSFtp_lastErrorText $sftp]
    delete_CkSFtp $sftp
    exit
}

# Possible synchronization modes are:
# mode=0: Download all files
# mode=1: Download all files that do not exist on the local filesystem.
# mode=2: Download newer or non-existant files.
# mode=3: Download only newer files. If a file does not already exist on the local filesystem, it is not downloaded from the server.
# mode=5: Download only missing files or files with size differences.
# mode=6: Same as mode 5, but also download newer files.

# This example will download all files, but only those files having filenames
# that match *.gif and *.eml

# Imagine our remote directory tree has these files and directories:

# 	accentedLatin1.txt
# 	accentedUtf8.txt
# 	alice.key
# 	anter_cert.pem
# 	chiliPepper.gif
# 	helloWorld.pdf
# 	abc/chiliPepper.gif
# 	abc/ghk/
# 	data/chiliPepper.gif
# 	data/xyz/dkimHtmlBody.txt
# 	data/xyz/dkimVerifyTest.eml
# 	data/xyz/emailForCreateDsn.eml
# 	text/frenchUtf8.txt
# 	text/helloWorld.txt
# 	text/PolishEmailBody.txt
# 	text/something/

# Indicate that we only want to create auto-create local directories (if needed)
# for the files that are actually downloaded.  If SyncCreateAllLocalDirs remains
# 1, then the corresponding local directory is created for each remote directory
# traversed regardless of whether files within are downloaded.
CkSFtp_put_SyncCreateAllLocalDirs $sftp 0

CkSFtp_put_SyncMustMatch $sftp "*.eml; *.gif"

set remoteDir "syncDownloadTest/someDir"
set localDir "qa_output"
set mode 0
set recursive 1
set success [CkSFtp_SyncTreeDownload $sftp $remoteDir $localDir $mode $recursive]
if {$success != 1} then {
    puts [CkSFtp_lastErrorText $sftp]
    delete_CkSFtp $sftp
    exit
}

# The following files were downloaded:

# chiliPepper.gif
# abc/chiliPepper.gif
# data/chiliPepper.gif
# data/xyz/dkimVerifyTest.eml
# data/xyz/emailForCreateDsn.eml

puts "Success."

delete_CkSFtp $sftp