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54 lines
2.8 KiB
Plaintext
54 lines
2.8 KiB
Plaintext
WebDAV
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SeedDMS has support for WebDAV which allows to easily add, delete,
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move, copy and modify documents. All operating systems have support
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for WebDAV as well, but the implemtations and their behaviour varys
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and consequently you may run into various problems. If this happens
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just file a bug report at https://sourceforge.net/projects/seeddms
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The folder structure in SeedDMS is similar to a regular file system
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but it is not identical. SeedDMS distinguishes between a document
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and its content, while a file system knows just files.
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In SeedDMS a document is uniquely identified
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by its document id and not neccessarily by its name. A filesystem
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requires a unique paths for each file. Two identical files in the
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same folder are not possible. SeedDMS can handle identifcally named
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documents in one folder. In order to prevent any problems arising from
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this, you should always disallow identical document names in the
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settings. By definition a file in WebDAV is mapped on the latest
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version of a document in SeedDMS. There is no way to access previous
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versions of a document via WebDAV. Whenever you modify a file,
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a new version will be created. Unfortunately, this has some very
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nasty side effects when you often save a file, because any save
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operation will create a new version. This is because the WebDAV
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server replaces the content of document instead of creating a new
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version if a document is saved again.
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Various programms have differnt strategies to save files to disk and
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prevent data lost under all circumstances. Those strategies often don't
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work very well an a WebDAV-Server. The following will list some of those
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strategies.
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VIM
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=========================
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vim does a lot more than just reading and writing the file you want
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to edit. It creates swap and backup files for data recovery if vim crashes
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or is being kill unexpectivly. On a low bandwidth connection this can
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slow down the editing. For that reason you should either not create the
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swap file at all or create it outside the WebDAV server. A second problem
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arises from how vim modifіes the file you are editing. Before a file
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is saved a backup is created and the new content is written into a new
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file with the name of the original file. On a file system you
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won't see a difference between the file before and after saveing, though
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is actually a new one. In SeedDMS you won't notice a difference either
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if just looking at the document name. It's still the same, but the
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document id has changed. So saving a document will delete the
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old document and create a new one instead of creating a new version of
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the old document. If you don't want this behaviour, then tell vim
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to not create the backup. Creating the backup file in a directory
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outside of WebDAV doesn't help in this case.
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vi "+set nobackup" "+set nobackuwrite" -n test.txt
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