Method code for $group.parse_group()

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---

  1: arg value, @args;
  2: var action, list, item, out;
  3: 
  4: if (value && value[1] in ["+", "-"]) {
  5:     if (value[1] == "-")
  6:         action = 'del;
  7:     else
  8:         action = 'add;
  9:     list = [substr(value, 2)];
 10: } else {
 11:     action = 'set;
 12:     list = value.explode_english_list();
 13: }
 14: out = hash item in (list) to ([(> $object_lib.to_dbref(item) <), 1]);
 15: if (action == 'set)
 16:     return [action, out];
 17: else
 18:     return [action, dict_keys(out)[1]];

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// Created 01-Sep-1998 as a part of ColdCore, see: @help Credit