msecond サンプル1

入力データ
顧客 日付&時刻1 日付&時刻2
customer1 19900111101600 19900111101500
customer1 19900203221012 19900203221010
customer1 19900522000001 19900521235959
customer1 19900111101500 19900111101600
customer1 19900111101600 *
customer1 * 19900111101500
customer1 * *

処理コマンド
msecond field1=2 field2=3

結果データ
顧客 日付&時刻1 日付&時刻2 経過秒数
customer1 19900111101600 19900111101500 60
customer1 19900203221012 19900203221010 2
customer1 19900522000001 19900521235959 2
customer1 19900111101500 19900111101600 -60
customer1 19900111101600 * *
customer1 * 19900111101500 *
customer1 * * *