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library_session_executecommand 2012-03-09 | library_session_executecommand 2022-06-16 (current) | ||
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====== Session.ExecuteCommand Method ====== | ====== Session.ExecuteCommand Method ====== | ||
Executes command on the remote server. | Executes command on the remote server. | ||
- | |||
- | &beta_feature | ||
===== Syntax ===== | ===== Syntax ===== | ||
- | <code csharp> | + | <code csharp *> |
public CommandExecutionResult ExecuteCommand(string command) | public CommandExecutionResult ExecuteCommand(string command) | ||
+ | </code> | ||
+ | |||
+ | <code vbnet *> | ||
+ | Public Function ExecuteCommand(command As String) As CommandExecutionResult | ||
</code> | </code> | ||
Line 14: | Line 16: | ||
==== Return Value ==== | ==== Return Value ==== | ||
- | ''[[library_commandexecutionresult|CommandExecutionResult]]'' with command output. | + | ''[[library_commandexecutionresult|CommandExecutionResult]]'' with command output. See also [[library_session#results|Capturing results of operations]]. |
===== Exceptions ===== | ===== Exceptions ===== | ||
Line 20: | Line 22: | ||
| InvalidOperationException | Session is not opened. | | | InvalidOperationException | Session is not opened. | | ||
| [[library_sessionlocalexception|SessionLocalException]] | Error communicating with ''[[executables#winscp.com|winscp.com]]''. \\ See the exception documentation for details. | | | [[library_sessionlocalexception|SessionLocalException]] | Error communicating with ''[[executables#winscp.com|winscp.com]]''. \\ See the exception documentation for details. | | ||
- | | [[library_sessionremoteexception|SessionRemoteException]] | Session has failed. \\ Command has failed. \\ See the exception documentation for details. | | + | | [[library_sessionremoteexception|SessionRemoteException]] | Session has failed. \\ See the exception documentation for details. | |
| TimeoutException | Timeout waiting for ''winscp.com'' to respond. | | | TimeoutException | Timeout waiting for ''winscp.com'' to respond. | | ||
- | ===== Remarks ===== | + | ===== [[remarks]] Remarks ===== |
With [[protocols|SFTP and SCP protocols]], executes arbitrary [[remote_command|remote shell command]]. | With [[protocols|SFTP and SCP protocols]], executes arbitrary [[remote_command|remote shell command]]. | ||
With FTP protocol, executes a protocol command. | With FTP protocol, executes a protocol command. | ||
With SFTP protocol, that does not allow execution of arbitrary remote command, separate [[shell session]] will be automatically opened. | With SFTP protocol, that does not allow execution of arbitrary remote command, separate [[shell session]] will be automatically opened. | ||
+ | |||
+ | Not supported with WebDAV and S3 protocols. | ||
The command must not require user input. | The command must not require user input. | ||
- | ===== Example ===== | + | ===== [[example]] Example ===== |
==== [[csharp]] C# Example ==== | ==== [[csharp]] C# Example ==== | ||
<code csharp> | <code csharp> | ||
Line 44: | Line 49: | ||
{ | { | ||
// Setup session options | // Setup session options | ||
- | SessionOptions sessionOptions = new SessionOptions { | + | SessionOptions sessionOptions = new SessionOptions |
+ | ···········{ | ||
Protocol = Protocol.Sftp, | Protocol = Protocol.Sftp, | ||
HostName = "example.com", | HostName = "example.com", | ||
UserName = "user", | UserName = "user", | ||
Password = "mypassword", | Password = "mypassword", | ||
- | SshHostKey = "ssh-rsa 1024 xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx" | + | SshHostKeyFingerprint = "ssh-rsa 2048 xxxxxxxxxxx..." |
}; | }; | ||
Line 57: | Line 63: | ||
session.Open(sessionOptions); | session.Open(sessionOptions); | ||
- | // Execute mysqldump on the server to dump all MySQL databases and compress the results | + | // Execute mysqldump on the server to dump all MySQL databases and |
+ | // compress the results | ||
const string dbUsername = "USERNAME"; | const string dbUsername = "USERNAME"; | ||
const string dbPassword = "PASSWORD"; | const string dbPassword = "PASSWORD"; | ||
Line 63: | Line 70: | ||
string dumpCommand = | string dumpCommand = | ||
- | string.Format("mysqldump --opt -u {0} --password={1} --all-databases | gzip > {2}", | + | string.Format( |
- | ·································dbUsername, dbPassword, tempFilePath); | + | ························"mysqldump --opt -u {0} --password={1} --all-databases | gzip > {2}", |
- | session.ExecuteCommand(dumpCommand); | + | ·······················dbUsername, dbPassword, tempFilePath); |
+ | session.ExecuteCommand(dumpCommand).Check(); | ||
// Download the database dump | // Download the database dump | ||
- | session.GetFiles(tempFilePath, "D:\\dbbackup\\").Check(); | + | session.GetFiles(tempFilePath, @"D:\dbbackup\").Check(); |
} | } | ||
Line 79: | Line 87: | ||
} | } | ||
} | } | ||
+ | } | ||
+ | </code> | ||
+ | |||
+ | ==== [[vbnet]] VB.NET Example ==== | ||
+ | <code vbnet> | ||
+ | Imports WinSCP | ||
+ | |||
+ | Friend Class Example | ||
+ | |||
+ | Public Shared Function Main() As Integer | ||
+ | |||
+ | Try | ||
+ | ' Setup session options | ||
+ | Dim sessionOptions As New SessionOptions | ||
+ | With sessionOptions | ||
+ | .Protocol = Protocol.Sftp | ||
+ | .HostName = "example.com" | ||
+ | .UserName = "user" | ||
+ | .Password = "mypassword" | ||
+ | .SshHostKeyFingerprint = "ssh-rsa 2048 xxxxxxxxxxx..." | ||
+ | End With | ||
+ | |||
+ | Using session As New Session | ||
+ | ' Connect | ||
+ | session.Open(sessionOptions) | ||
+ | |||
+ | ' Execute mysqldump on the server to dump all MySQL databases and | ||
+ | ' compress the results | ||
+ | Const dbUsername As String = "USERNAME" | ||
+ | Const dbPassword As String = "PASSWORD" | ||
+ | Const tempFilePath As String = "/tmp/all_databases.gz" | ||
+ | |||
+ | Dim dumpCommand As String = | ||
+ | String.Format( | ||
+ | "mysqldump --opt -u {0} --password={1} --all-databases | gzip > {2}", | ||
+ | dbUsername, dbPassword, tempFilePath) | ||
+ | session.ExecuteCommand(dumpCommand).Check() | ||
+ | |||
+ | ' Download the database dump | ||
+ | session.GetFiles(tempFilePath, "D:\dbbackup\").Check() | ||
+ | End Using | ||
+ | |||
+ | Return 0 | ||
+ | Catch e As Exception | ||
+ | Console.WriteLine("Error: {0}", e) | ||
+ | Return 1 | ||
+ | End Try | ||
+ | |||
+ | End Function | ||
+ | |||
+ | End Class | ||
+ | </code> | ||
+ | |||
+ | ==== [[powershell]] PowerShell Example ==== | ||
+ | Learn more about [[library_powershell|using WinSCP .NET assembly from PowerShell]]. | ||
+ | |||
+ | <code powershell> | ||
+ | try | ||
+ | { | ||
+ | # Load WinSCP .NET assembly | ||
+ | Add-Type -Path "WinSCPnet.dll" | ||
+ | |||
+ | # Setup session options | ||
+ | $sessionOptions = New-Object WinSCP.SessionOptions -Property @{ | ||
+ | Protocol = [WinSCP.Protocol]::Sftp | ||
+ | HostName = "example.com" | ||
+ | UserName = "user" | ||
+ | Password = "mypassword" | ||
+ | SshHostKeyFingerprint = "ssh-rsa 2048 xxxxxxxxxxx..." | ||
+ | } | ||
+ | |||
+ | $session = New-Object WinSCP.Session | ||
+ | |||
+ | try | ||
+ | { | ||
+ | # Connect | ||
+ | $session.Open($sessionOptions) | ||
+ | |||
+ | # Execute mysqldump on the server to dump all MySQL databases and compress the results | ||
+ | $dbUsername = "USERNAME" | ||
+ | $dbPassword = "PASSWORD" | ||
+ | $tempFilePath = "/tmp/all_databases.gz" | ||
+ | |||
+ | $dumpCommand = | ||
+ | "mysqldump --opt -u $dbUsername --password=$dbPassword --all-databases | " + | ||
+ | "gzip > $tempFilePath" | ||
+ | $session.ExecuteCommand($dumpCommand).Check() | ||
+ | |||
+ | # Download the database dump | ||
+ | $session.GetFiles($tempFilePath, "D:\dbbackup\").Check() | ||
+ | |||
+ | finally | ||
+ | { | ||
+ | # Disconnect, clean up | ||
+ | $session.Dispose() | ||
+ | } | ||
+ | |||
+ | exit 0 | ||
+ | } | ||
+ | catch | ||
+ | { | ||
+ | Write-Host "Error: $($_.Exception.Message)" | ||
+ | exit 1 | ||
} | } | ||
</code> | </code> |