(Tcl) Passive FTP Download

Simple example to download a file from an FTP server using passive mode.

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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 ftp [new_CkFtp2]

CkFtp2_put_Hostname $ftp "ftp.example.com"
CkFtp2_put_Username $ftp "login"
CkFtp2_put_Password $ftp "password"

# Use passive mode:
CkFtp2_put_Passive $ftp 1

# Connect and login to the FTP server.
set success [CkFtp2_Connect $ftp]
if {$success != 1} then {
    puts [CkFtp2_lastErrorText $ftp]
    delete_CkFtp2 $ftp
    exit
}

# Change to the remote directory where the file is located.
# This step is only necessary if the file is not in the root directory
# for the FTP account.
set success [CkFtp2_ChangeRemoteDir $ftp "junk"]
if {$success != 1} then {
    puts [CkFtp2_lastErrorText $ftp]
    delete_CkFtp2 $ftp
    exit
}

# Download a file.
set localFilename "hamlet.xml"
set remoteFilename "hamlet.xml"

set success [CkFtp2_GetFile $ftp $remoteFilename $localFilename]
if {$success != 1} then {
    puts [CkFtp2_lastErrorText $ftp]
    delete_CkFtp2 $ftp
    exit
}

set success [CkFtp2_Disconnect $ftp]

puts "File Downloaded!"

delete_CkFtp2 $ftp