The APPEND option does not work in "uxstr FTP GET"

Issue/Introduction:

Affects Release version(s): 5

Error Message :
First execution:

D:\du\FLS530\mgr>%UXEXE%/uxstr FTP GET partner="casplda02" origin_filename=test.txt origin_pathname="/home/bta" target_filename=test.txt target_pathname="D:\bta" log
n=bta password=<password> mode=ASCII action=APPEND retry=3 umask=rwx
Tue May 31 14:51:10 2011: Umask option: file-permissions rwx mask set
Tue May 31 14:51:10 2011: Passive mode transfer
Tue May 31 14:51:10 2011: ASCII mode transfer selected
Tue May 31 14:51:10 2011: Connecting to server casplda02
Tue May 31 14:51:10 2011: Username bta
Tue May 31 14:51:10 2011: ---------------------------------------------------------------------------------------------
Tue May 31 14:51:10 2011: Beginning the download of [ftp://casplda02:21//home/bta/test.txt] to the local file [D:\bta\test.txt]...
Tue May 31 14:51:10 2011: FTP transfer ended successfully
Tue May 31 14:51:10 2011: ---------------------------------------------------------------------------------------------
Tue May 31 14:51:10 2011: Connection closed

Second execution: It cannot append.

D:\du\FLS530\mgr>%UXEXE%/uxstr FTP GET partner="casplda02" origin_filename=test.txt origin_pathname="/home/bta" target_filename=test.txt target_pathname="D:\bta" logo
n=bta password=<password> mode=ASCII action=APPEND retry=3 umask=rwx
Tue May 31 14:52:20 2011: Umask option: file-permissions rwx mask set
Tue May 31 14:52:20 2011: Passive mode transfer
Tue May 31 14:52:20 2011: ASCII mode transfer selected
Tue May 31 14:52:20 2011: The local file D:\bta\test.txt exists and Aborted/None mode was selected: skipping the download of ftp://casplda02:21//home/bta/test.txt
Tue May 31 14:52:20 2011: Connection closed

Patch level detected:Dollar Universe 5.6
Product Version: Dollar.Universe 5.6.0 FX25010

Description :The APPEND option does not work in "uxstr FTP GET"

Cause:

Cause type:
Defect
Root Cause: This is a defect up to the Dollar Universe v5.x and Dollar Universe Manager for FTP v2.x.

Environment:

OS: All
OS Version: ALL OS

Resolution:

Manager FTP is included in Dollar Universe 6.

Fix Status: Released

Fix Version(s):
Component: Application.Server
Version: Dollar.Universe 6.0.0

Additional Information:

Workaround :
N/A