Exec decoder plugin for Embulk

Embulk decoder plugin that exec another process.

This plugin implement like this command image.

$ embulk-input-plugin | lzop -dc | embulk-filter-plugin | ...
                        ^^^^^^^^
                         (here)

You can decode input with any process.

Overview

• Plugin type: decoder
• Guess supported: no

Configuration

• mode: plugin mode (enum(pipe), required)
• command: exec command (string, required)

Example

in:
  type: any output input plugin type
  decoders:
    - type: exec
      mode: pipe
      command: lzop -dc

(If guess supported) you don't have to write decoder: section in the configuration file. After writing in: section, you can let embulk guess decoder: section using this command:

$ embulk gem install embulk-decoder-exec
$ embulk guess -g exec config.yml -o guessed.yml

Build

$ ./gradlew gem  # -t to watch change of files and rebuild continuously