Sunday, 2 June 2013

Are files that are being copied across and written to disk locked on Windows?

Are files that are being copied across and written to disk locked on Windows?

Assuming I am using the native mode of copying files via copy and paste on a given Windows device, are files that are being written to a given path locked until it has completely written the entire file? Where are the temp files being written e.g. %TEMP%?
Is this different if a file or files are being FTP'ed?
The reason I would like to know is because I intend to use robocopy to perform a one way synchronization from the source directory to the destination directory each time there is a change. I would like to avoid a half-written file being synchronized.

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