# `mix storehouse.reprocess`
[🔗](https://github.com/hattoriai/storehouse/blob/v0.2.0/lib/mix/tasks/storehouse.reprocess.ex#L1)

Runs analysis steps over the files of a field in every record of a
schema (`Storehouse.Ecto.reprocess/5`), with its progress: a step added
after files were stored, files from before analysis existed.

    mix storehouse.reprocess --repo MyApp.Repo --schema MyApp.Photo --field image \
      --step MyApp.Analyzers.Placeholder

Files that have every step's result already are skipped, so it can be
stopped and run again: it does only what is missing. Each batch prints
the primary key it got to, which `--after` starts after.

## Options

  * `--repo`, `--schema`, `--field` - the records and their field of
    files.
  * `--step` - an analysis step, by module; once for each. For a step
    with options, call `Storehouse.Ecto.reprocess/5` from a script.
  * `--now` - run the steps here, and save their results before it ends;
    the default gives each file to the app's runner, as a job.
  * `--force` - run every file's steps again.
  * `--batch-size` - records read at a time. The default is 500.
  * `--concurrency` - with `--now`, files at once. The default is 4.
  * `--after` - the primary key to start after.

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*Consult [api-reference.md](api-reference.md) for complete listing*