!config
# Arara, the cool TeX automation tool
# Copyright (c) 2023, Island of TeX
# All rights reserved.
#
# This rule is part of arara.
identifier: xindex
name: xindex
authors:
- Island of TeX
commands:
- name: The xindex software
 command: >
   @{
       return getCommand('xindex', config, language, options, input);
   }
arguments:
- identifier: input
 flag: >
   @{
       return parameters.input;
   }
- identifier: config
 flag: >
   @{
       return [ '-c', isEmpty(parameters.config, 'cfg', parameters.config) ];
   }
 default: ''
- identifier: language
 flag: >
   @{
       return [ '-l', isEmpty(parameters.language, 'en', parameters.language) ];
   }
 default: ''
- identifier: options
 flag: >
   @{
       if (isList(parameters.options)) {
           return parameters.options;
       } else {
           throwError('I was expecting a list of options.');
       }
   }