Hi again, this is a difficult topic.
> I would like to add that that you need to consider the operating > > system's character encoding, even among different flavors of *nix. > Encoding is yet another issue, true. I'll try to address it in the options below. I'm not quite sure how to solve it yet. Here are a few thoughts/options: *A) Ignoring stuff in the "up" operation/indexer (least common denominator)* 1. Illegal filenames: Ignore all files with any characters that are illegal on Windows, Mac or Linux (ignore in "Indexer") 2. Case conflicts: If a case conflict is detected (while indexing, in "Indexer"), ignore the "new" file. (if "file" was there first, "FILE" will be ignored) 3. Encoding issues: This is impossible to catch because in the "up" operation, the target encodings are not known; so there is no way to detect encoding issues; e.g. if I index on ext3 with UTF8 filenames, I cannot know if someone with a FAT FS with latin1 filenames will sync perform a "down" later. Pros/Cons: + Probably easy to implement - Not so cool for Linux<->Linux sync - No encoding solution Open Issues: - How does this affect filename encoding?! - Unclear how this behaves when "FILE" and "file" are created on two different machines and then sync'd... *B) Upload, but refuse to reconstruct illegal files/conflicts (don't care approach)* 1. Illegal filenames: Index and upload files with filenames that are/might be illegal on other systems, but refuse to "reconstruct" these files if they conflict (-> this could get ugly, because those files might be considered "deleted" in the next "up" operation; how to solve this?) 2. Case conflicts: Like in (1) 3. Encoding issues: If a file was uploaded and the encoding of the target filesystem (e.g. FAT32 with latin1 filenames) does not support the filename, behave like (1) Pros/Cons: + Syncs more files + No issues with Linux<->Linux sync + Also handles encoding issues. Open issues: - How to handle files that were not reconstructed?! Any other options? Thoughts? Best Philipp
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