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Examples
For each MOVE rule, enter a regex pattern to match against files in the source folder, and a regex template to use while naming the files created in the destination folder. For DELETE_STALE rules, the latter is not required.
The pattern must match the entire file name (along with its extension). Here are some examples:
trackbook-backup\.zipImportant
Escape special characters, like periods and parentheses.
AntennaPodBackup(.*)\.dbCaution
Ensure that the prefix is specific enough. Too-broad patterns may lead to data loss.
TubularData-(?<date>\d{8})_(?<time>\d{6})\.zipThe template can contain references to groups captured in the pattern. Prefer named groups to avoid ambiguity. Here are some examples:
antennapod.db
Important
If a file with the same name is already present in the destination and the "overwrite existing" option has not been turned on, the flow will fail.
tubular${date}.zip
Important
${folder} is a special reference which will contain the name of the direct parent of the file being considered. This is useful for "flattening" rules (i.e., rules which scan subfolders, but don't recreate structure).
Example: for the file /storage/emulated/0/Foo/Bar/Baz.png, ${folder} will be replaced by Bar.
tubular$1.zip
Tip
$0 will be replaced by the entire file name (including the extension). This is useful for copying/moving files without renaming them.
Use these examples to build your own pattern/template pairs. You can visit regexr.com to learn more about regex, as well as build & test patterns. For advanced usage, you can use this playground to test against the actual Kotlin regex engine.
If you're having difficulty targetting certain files, you can raise an issue describing your situation.