(Tcl) SCP Sync Tree Download

Synchronize local and remote directory trees by downloading newer or missing files from the remote server.

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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 ssh [new_CkSsh]

# Connect to an SSH server:

# Hostname may be an IP address or hostname:
set hostname "www.some-ssh-server.com"
set port 22

set success [CkSsh_Connect $ssh $hostname $port]
if {$success != 1} then {
    puts [CkSsh_lastErrorText $ssh]
    delete_CkSsh $ssh
    exit
}

# Wait a max of 5 seconds when reading responses..
CkSsh_put_IdleTimeoutMs $ssh 5000

# Authenticate using login/password:
set success [CkSsh_AuthenticatePw $ssh "myLogin" "myPassword"]
if {$success != 1} then {
    puts [CkSsh_lastErrorText $ssh]
    delete_CkSsh $ssh
    exit
}

# Once the SSH object is connected and authenticated, we use it
# in our SCP object.
set scp [new_CkScp]

set success [CkScp_UseSsh $scp $ssh]
if {$success != 1} then {
    puts [CkScp_lastErrorText $scp]
    delete_CkSsh $ssh
    delete_CkScp $scp
    exit
}

set remoteRoot "workspace/php"
set localRoot "c:/aaworkarea/scp/workspace/php"

# Download synchronization modes:
# 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.
set mode 2

# Sync the entire tree by using recursion.
set bRecurse 1

set success [CkScp_SyncTreeDownload $scp $remoteRoot $localRoot $mode $bRecurse]
if {$success != 1} then {
    puts [CkScp_lastErrorText $scp]
    delete_CkSsh $ssh
    delete_CkScp $scp
    exit
}

puts "SCP sync download success."

# Disconnect
CkSsh_Disconnect $ssh

delete_CkSsh $ssh
delete_CkScp $scp