>>928
文言変えたよ。解ける？

test.txt
JOBA0190
空白"Dr.SUM連携処理"
空白2010/01/01 2010/02/01 2010/03/01 2010/04/15 2010/10/01
改行
改行
JOBA0200
空白"RPAスクリプト生成"
空白2010/05/08 2010/05/15 2010/05/22 2010/05/29 2010/06/05 2010/06/12 2010/06/19 2010/06/26空
空白2010/08/28
改行
改行

test.csv
2010/01/01,JOBA0190,"Dr.SUM連携処理"
2010/02/01,JOBA0190,"Dr.SUM連携処理"
2010/03/01,JOBA0190,"Dr.SUM連携処理"
2010/05/08,JOBA0200,"RPAスクリプト生成"
2010/05/15,JOBA0200,"RPAスクリプト生成"
2010/05/22,JOBA0200,"RPAスクリプト生成"
2010/05/29,JOBA0200,"RPAスクリプト生成"
2010/06/05,JOBA0200,"RPAスクリプト生成"
2010/06/12,JOBA0200,"RPAスクリプト生成"
2010/06/19,JOBA0200,"RPAスクリプト生成"
2010/06/26,JOBA0200,"RPAスクリプト生成"
2010/08/28,JOBA0200,"RPAスクリプト生成"