Variable Length Bytes parser plugin for Embulk

Variable length bytes record parser plugin for Embulk.

• Plugin type: parser
• Guess supported: no

$ embulk gem install embulk-parser-variable_length_bytes

• columns: Specify column name and type, range of bytes('<start>..<end>'). If the last column has a variable length, specify it as '<start>...'. (array, required)
• record_separator: Hexadecimal representation of characters for record separator sequence (eg. 0x20) or new line character(CR, LF, CRLF). Set null to parse fixed-length records without record separator. (string, default: LF)
• charset: Character encoding (eg. ISO-8859-1, UTF-8). (string, default: UTF-8)
• stop_on_invalid_record: Stop bulk load transaction if a file includes invalid record. (boolean, default: false)

in:
  type: any file input plugin type
  parser:
    type: variable_length_bytes
    charset: Shift_JIS
    record_separator: CRLF
    stop_on_invalid_record: true
    columns: 
    - {name: id, type: long, pos: '0..3'}
    - {name: name, type: string, pos: '3..11'}
    - {name: price, type: double, pos: '11..15'}
    - {name: flag, type: boolean, pos: '15..20'}
    - {name: description, type: string, pos: '20...'}

$ ./gradlew gem