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| script_checking_file_existence 2016-07-29 | script_checking_file_existence 2022-10-21 (current) | ||
| Line 3: | Line 3: | ||
| ===== [[remote]] Remote file existence ===== | ===== [[remote]] Remote file existence ===== | ||
| - | ==== Using WinSCP .NET Assembly ==== | + | ==== [[library]] Using WinSCP .NET Assembly ==== |
| Use method ''[[library_session_fileexists|Session.FileExists]]'' from [[library|WinSCP .NET assembly]]. | Use method ''[[library_session_fileexists|Session.FileExists]]'' from [[library|WinSCP .NET assembly]]. | ||
| Line 13: | Line 13: | ||
| if ($session.FileExists($remotePath)) | if ($session.FileExists($remotePath)) | ||
| { | { | ||
| - | Write-Host ("File {0} exists" -f $remotePath) | + | Write-Host "File $remotePath exists" |
| } | } | ||
| </code> | </code> | ||
| Line 19: | Line 19: | ||
| See complete [[library_session_fileexists#powershell|PowerShell example for Session.FileExists]]. | See complete [[library_session_fileexists#powershell|PowerShell example for Session.FileExists]]. | ||
| - | If you are not looking for a specific file, but for any file matching a mask (e.g. ''*.txt''), you can use the ''[[library_session_enumerateremotefiles|Session.EnumerateRemoteFiles]]''. | + | If you are not looking for a specific file, but for any file matching a mask (e.g. ''*.txt''), you can use the ''[[library_session_enumerateremotefiles|Session.EnumerateRemoteFiles]]''. For a complex example, that uses this technique, see [[script_downloading_when_done_file_exists#separate|*]]. |
| ~~AD~~ | ~~AD~~ | ||
| ==== [[scripting]] Using WinSCP Scripting ==== | ==== [[scripting]] Using WinSCP Scripting ==== | ||
| - | You can use a ''[[scriptcommand_stat|stat]]'' command in the ([[scripting#using_scripting|default]]) ''[[scriptcommand_option#batch|option batch abort]]'' mode to query file attributes. If the file does not exist, the ''stat'' command fails and so does the script. Then, [[scripting#checking_results|test WinSCP exit code]] to determine, if the file exists or not. | + | You can use a ''[[scriptcommand_stat|stat]]'' command in the ([[scripting#using_scripting|default]]) ''[[scriptcommand_option#batch|option batch abort]]'' mode to query file attributes. If the file does not exist, the ''stat'' command fails and so does the script. Then, [[scripting#result|test WinSCP exit code]] to determine, if the file exists or not. |
| <code batch> | <code batch> | ||
| Line 45: | Line 45: | ||
| exit /b 1 | exit /b 1 | ||
| </code> | </code> | ||
| + | |||
| + | If the further processing involves WinSCP commands, you can add the commands directly to the main WinSCP script, just after the ''stat'' command. For an example, see [[script_downloading_when_done_file_exists#fixed_scripting|*]]. | ||
| To check for existence of any file matching a mask, instead of a specific file, enable ''[[scriptcommand_option#failonnomatch|option failonnomatch on]]'' mode and use ''[[scriptcommand_ls|ls mask]]'' command, instead of ''stat name'' command: | To check for existence of any file matching a mask, instead of a specific file, enable ''[[scriptcommand_option#failonnomatch|option failonnomatch on]]'' mode and use ''[[scriptcommand_ls|ls mask]]'' command, instead of ''stat name'' command: | ||
| Line 59: | Line 61: | ||
| ===== [[local]] Local file existence ===== | ===== [[local]] Local file existence ===== | ||
| - | * In [[library_powershell|PowerShell]], use ''[[https://technet.microsoft.com/en-us/library/hh849776.aspx|Test-Path]]'' cmdlet. See an example in [[library_example_check_existence_timestamp#powershell|Checking file existence and timestamp]]. | + | * In [[library_powershell|PowerShell]], use ''[[ps>microsoft.powershell.management/test-path|Test-Path]]'' cmdlet. See an example in [[library_example_check_existence_timestamp#powershell|*]]. |
| - | * In a batch file, use ''[[https://technet.microsoft.com/en-us/library/cc754335.aspx|if exist]]'' command. See [[guide_automation_conditional#scripting|example]]. | + | * In a batch file, use ''[[https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/if|if exist]]'' command. See [[guide_automation_conditional#scripting|example]]. |
| - | * In .NET, use ''[[https://msdn.microsoft.com/en-us/library/system.io.file.exists.aspx|File.Exists]]'' method. See [[library_example_check_existence_timestamp#csharp|C#]] and [[library_example_check_existence_timestamp#vbnet|VB.NET]] example in [[library_example_check_existence_timestamp|Checking file existence and timestamp]]. | + | * In .NET, use ''[[dotnet>system.io.file.exists|File.Exists]]'' method. See [[library_example_check_existence_timestamp#csharp|C#]] and [[library_example_check_existence_timestamp#vbnet|VB.NET]] example in [[library_example_check_existence_timestamp|*]]. |
| - | * In WSH, use ''[[https://msdn.microsoft.com/en-us/library/x23stk5t.aspx|Scripting.FileSystemObject.FileExists]]'' method. See [[library_example_check_existence_timestamp#jscript|JScript]] and [[library_example_check_existence_timestamp#vbscript|VBScript]] example in [[library_example_check_existence_timestamp|Checking file existence and timestamp]]. | + | * In WSH, use ''[[https://learn.microsoft.com/en-us/previous-versions/x23stk5t(v=vs.85)|Scripting.FileSystemObject.FileExists]]'' method. See [[library_example_check_existence_timestamp#jscript|JScript]] and [[library_example_check_existence_timestamp#vbscript|VBScript]] example in [[library_example_check_existence_timestamp|*]]. |
| ===== Further Reading ===== | ===== Further Reading ===== | ||
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| * Guide to [[guide_automation|scripting/automation]]; | * Guide to [[guide_automation|scripting/automation]]; | ||
| * [[library|WinSCP .NET assembly]]; | * [[library|WinSCP .NET assembly]]; | ||
| - | * [[library_powershell|Using WinSCP .NET Assembly from PowerShell]]. | + | * [[library_powershell|*]]. |