pb_remove.m

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function pb_remove(pb_htable,name)
% 从电话本中删除记录
% 检查用户是否存在
if ~pb_htable.containsKey(pb_keyfilter(name))
   disp(sprintf('The name %s is not in the phone book',name))
   return
end;
% 如果用户存在，确定后删除电话
r = input(sprintf('Remove entry %s (y/n)? ',name), 's');
if r == 'y'
   pb_htable.remove(pb_keyfilter(name));
   disp(sprintf('%s has been removed from the phone book',name))
else
   disp(sprintf('%s has not been removed',name))
end;