Answer set format tool class. convert delimiter from spaces or tabs to bar('|') in TPC-DS answer
set. before convert, need to format TPC-DS result as following: 1. split answer set which has
multi query results to multi answer set, includes query14, 23, 24, 39. 2. replace tabs by spaces
in answer set by vim. (1) cd answer_set directory (2) vim 1.ans with command model, :set ts=8
:set noexpandtab :%retab! :args ./*.ans :argdo %retab! |update (3) save and quit vim.