我可以知道unix中scp命令的退出状态吗
我可以知道unix中scp命令的退出状态吗,unix,ssh,scp,Unix,Ssh,Scp,使用scp命令在perl中进行编程时 面对scp命令的退出状态，我感到困顿 如果你告诉我哪个退出值（除0-成功、1-错误外）是我的生活将变得简单的话 链接：0几乎总是处理shell命令和类似程序时的成功返回代码。来自： 0 Operation was successful 1 General error in file copy 2 Destination is not directory, but it should be 3 Maximum symlink level ex
使用scp命令在perl中进行编程时 面对scp命令的退出状态，我感到困顿
如果你告诉我哪个退出值（除0-成功、1-错误外）是我的生活将变得简单的话
链接：0几乎总是处理shell命令和类似程序时的成功返回代码。来自：
0 Operation was successful
1 General error in file copy
2 Destination is not directory, but it should be
3 Maximum symlink level exceeded
4 Connecting to host failed.
5 Connection broken
6 File does not exist
7 No permission to access file.
8 General error in sftp protocol
9 File transfer protocol mismatch
10 No file matches a given criteria
65 Host not allowed to connect
66 General error in ssh protocol
67 Key exchange failed
68 Reserved
69 MAC error
70 Compression error
71 Service not available
72 Protocol version not supported
73 Host key not verifiable
74 Connection failed
75 Disconnected by application
76 Too many connections
77 Authentication cancelled by user
78 No more authentication methods available
79 Invalid user name