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| script_locking_files_while_uploading 2017-05-12 | script_locking_files_while_uploading 2022-06-16 (current) | ||
| Line 8: | Line 8: | ||
| - Upload data files to temporary ("upload") folder and move them atomically to target folder once the upload finishes. | - Upload data files to temporary ("upload") folder and move them atomically to target folder once the upload finishes. | ||
| - Upload data files to distinct temporary name, e.g. with ''.filepart'' extension, and rename them atomically once the upload finishes. Have the automated system ignore the ''.filepart'' files. | - Upload data files to distinct temporary name, e.g. with ''.filepart'' extension, and rename them atomically once the upload finishes. Have the automated system ignore the ''.filepart'' files. | ||
| + | - A gross hack is to periodically check for file attributes (size and time) and consider the upload finished, if the attributes has not changed for some time interval. | ||
| Here we focus on the third approach (although the second is very similar, implementation-wise). | Here we focus on the third approach (although the second is very similar, implementation-wise). | ||
| - | ===== Using Transfer to temporary filename feature ===== | + | ===== [[temporary_filename]] Using Transfer to temporary filename feature ===== |
| With [[sftp|SFTP protocol]], you can use [[resume#automatic|Transfer to temporary filename]] feature to have WinSCP handle the rename automatically for you. | With [[sftp|SFTP protocol]], you can use [[resume#automatic|Transfer to temporary filename]] feature to have WinSCP handle the rename automatically for you. | ||
| Line 52: | Line 53: | ||
| UserName = "user" | UserName = "user" | ||
| Password = "mypassword" | Password = "mypassword" | ||
| - | SshHostKeyFingerprint = "ssh-rsa 2048 xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx" | + | SshHostKeyFingerprint = "ssh-rsa 2048 xxxxxxxxxxx..." |
| } | } | ||
| Line 83: | Line 84: | ||
| { | { | ||
| # Remove suffix | # Remove suffix | ||
| - | $finalName = $transfer.Destination.SubString(0, $transfer.Destination.Length - $suffix.Length) | + | $finalName = |
| - | Write-Host ("Renaming uploaded file {0} to final name {1}" -f $transfer.Destination, $finalName) | + | ···············$transfer.Destination.SubString( |
| + | ····················0, $transfer.Destination.Length - $suffix.Length) | ||
| + | Write-Host "Renaming uploaded file $($transfer.Destination) to $finalName" | ||
| # Rename uploaded file to its final name | # Rename uploaded file to its final name | ||
| $session.MoveFile($transfer.Destination, $finalName) | $session.MoveFile($transfer.Destination, $finalName) | ||
| Line 97: | Line 100: | ||
| exit 0 | exit 0 | ||
| } | } | ||
| - | catch [Exception] | + | catch |
| { | { | ||
| - | Write-Host ("Error: {0}" -f $_.Exception.Message) | + | Write-Host "Error: $($_.Exception.Message)" |
| exit 1 | exit 1 | ||
| } | } | ||