我有一个由java程序创建的日志文件。该文件如下所示：
26-Sep-2016 09:15:09:292, INFO, connection [driver1-1] created
[client: driver1-1 - ClassServer] Attempting connection to the class server at XXXX:11111
26-Sep-2016 09:15:09:301, INFO, [client: driver1-1 - ClassServer] Attempting connection to the class server at XXXX:11111
26-Sep-2016 09:15:18:486, INFO, 1554 tasks completed.
26-Sep-2016 09:15:18:488, INFO,
26-Sep-2016 09:15:18:488, INFO,
26-Sep-2016 09:15:18:488, INFO, Arrangement Model tasks:
26-Sep-2016 09:15:18:490, INFO, done with Arrangement Model.
26-Sep-2016 09:15:19:529, INFO,
26-Sep-2016 09:15:19:529, INFO,
26-Sep-2016 09:15:19:529, INFO,
26-Sep-2016 09:15:19:529, INFO, Job Types by Area
26-Sep-2016 09:15:19:529, INFO,
26-Sep-2016 09:15:19:530, INFO,
26-Sep-2016 09:15:19:530, INFO, Area Full-time
26-Sep-2016 09:15:19:530, INFO, ---------------------------------
26-Sep-2016 09:15:19:531, INFO, 1: Area1 49050
26-Sep-2016 09:15:19:531, INFO, 2: Area2 31107
26-Sep-2016 09:15:19:531, INFO, 3: Area3 220020
26-Sep-2016 09:15:19:531, INFO, 4: Area4 2079
26-Sep-2016 09:15:19:531, INFO, ----------------------------------
26-Sep-2016 09:15:19:531, INFO, Total 302256
26-Sep-2016 09:15:19:532, INFO,
26-Sep-2016 09:15:19:532, INFO,
26-Sep-2016 09:15:19:532, INFO,
26-Sep-2016 09:15:19:532, INFO, Employment Types by Area
我想从文本文件中提取以下部分。
26-Sep-2016 09:15:19:529, INFO, Job Types by Area
26-Sep-2016 09:15:19:529, INFO,
26-Sep-2016 09:15:19:530, INFO,
26-Sep-2016 09:15:19:530, INFO, Area Full-time
26-Sep-2016 09:15:19:530, INFO, ---------------------------------
26-Sep-2016 09:15:19:531, INFO, 1: Area1 49050
26-Sep-2016 09:15:19:531, INFO, 2: Area2 31107
26-Sep-2016 09:15:19:531, INFO, 3: Area3 220020
26-Sep-2016 09:15:19:531, INFO, 4: Area4 2079
26-Sep-2016 09:15:19:531, INFO, ----------------------------------
26-Sep-2016 09:15:19:531, INFO, Total 302256
我尝试使用grep来做，但我没有成功。从这样的日志文件中提取的最有效方法是什么？