5.1.6 should be ok.

Can you send me an email, so I can send you back a debug version of WinSCP to track the problem? Please include link back to this topic in your email. Also note in this topic that you have sent the email. Thanks.

martin wrote:

What version of WinSCP are you using? Did you try the latest one?

We ara using version 5.1.6(build 3394).
I have not tried the latest one yet.
Is it a known problem in previous versions?

What version of WinSCP are you using? Did you try the latest one?

I have checked that the source file in sftp server is ok(no line breaks).

Line break happens randomly with receving files by winscp.
I have checked that the source file in sftp server is ok(have out line break).
How it happens?

there are some logs below:
2014-07-14 12:53:11.829 Script: get -delete /cust/ctcai/out/ZPDU/*.txt E:\Interface\dcssftp\out\ZPDU\
. 2014-07-14 12:53:11.829 Listing directory "/cust/ctcai/out/ZPDU".
> 2014-07-14 12:53:11.829 Type: SSH_FXP_OPENDIR, Size: 29, Number: 21003
< 2014-07-14 12:53:11.907 Type: SSH_FXP_HANDLE, Size: 13, Number: 21003
> 2014-07-14 12:53:11.907 Type: SSH_FXP_READDIR, Size: 13, Number: 21260
< 2014-07-14 12:53:12.000 Type: SSH_FXP_NAME, Size: 457, Number: 21260
> 2014-07-14 12:53:12.000 Type: SSH_FXP_READDIR, Size: 13, Number: 21516
< 2014-07-14 12:53:12.078 Type: SSH_FXP_STATUS, Size: 28, Number: 21516
< 2014-07-14 12:53:12.078 Status code: 1
> 2014-07-14 12:53:12.078 Type: SSH_FXP_CLOSE, Size: 13, Number: 21764
. 2014-07-14 12:53:12.078 .;d;256;2014-07-14T04:48:35.000Z;"ctcai" [221];"staff" [1];rwxr-xr-x;2
. 2014-07-14 12:53:12.078 ..;d;4096;2014-04-11T02:17:01.000Z;"ctcai" [221];"staff" [1];rwxr-xr-x;0
. 2014-07-14 12:53:12.078 Archive;d;12288;2014-07-12T01:30:21.000Z;"ctcai" [221];"staff" [1];rwxr-xr-x;0
. 2014-07-14 12:53:12.078 INZPDU201407141253.txt;-;70840;2014-07-14T04:53:06.000Z;"ctcai" [221];"staff" [1];rw-r--r--;0
. 2014-07-14 12:53:12.078 File: "/cust/ctcai/out/ZPDU/INZPDU201407141253.txt"
. 2014-07-14 12:53:12.078 Copying "/cust/ctcai/out/ZPDU/INZPDU201407141253.txt" to local directory started.
. 2014-07-14 12:53:12.078 Ascii transfer mode selected.
. 2014-07-14 12:53:12.078 Opening remote file.
> 2014-07-14 12:53:12.078 Type: SSH_FXP_OPEN, Size: 60, Number: 22019
< 2014-07-14 12:53:12.156 Type: SSH_FXP_STATUS, Size: 24, Number: 21764
. 2014-07-14 12:53:12.156 Discarding reserved response
< 2014-07-14 12:53:12.234 Type: SSH_FXP_HANDLE, Size: 13, Number: 22019
> 2014-07-14 12:53:12.234 Type: SSH_FXP_FSTAT, Size: 13, Number: 22280
< 2014-07-14 12:53:12.312 Type: SSH_FXP_ATTRS, Size: 37, Number: 22280
> 2014-07-14 12:53:12.312 Type: SSH_FXP_READ, Size: 25, Number: 22533
< 2014-07-14 12:53:13.342 Status code: 1
. 2014-07-14 12:53:13.342 22 skipped SSH_FXP_WRITE, SSH_FXP_READ, SSH_FXP_DATA and SSH_FXP_STATUS packets.
> 2014-07-14 12:53:13.342 Type: SSH_FXP_CLOSE, Size: 13, Number: 25860
< 2014-07-14 12:53:13.342 Type: SSH_FXP_STATUS, Size: 28, Number: 25093
< 2014-07-14 12:53:13.420 Type: SSH_FXP_STATUS, Size: 28, Number: 25349
< 2014-07-14 12:53:13.810 Type: SSH_FXP_STATUS, Size: 28, Number: 25605
. 2014-07-14 12:53:13.810 Preserving timestamp [2014-07-14T04:53:06.000Z]
. 2014-07-14 12:53:13.810 Deleting file "/cust/ctcai/out/ZPDU/INZPDU201407141253.txt".
> 2014-07-14 12:53:13.810 Type: SSH_FXP_REMOVE, Size: 52, Number: 26125
< 2014-07-14 12:53:13.810 Type: SSH_FXP_STATUS, Size: 24, Number: 25860
. 2014-07-14 12:53:13.810 Discarding reserved response
< 2014-07-14 12:53:13.935 Type: SSH_FXP_STATUS, Size: 24, Number: 26125
< 2014-07-14 12:53:13.935 Status code: 0