Serilog：如何只在文件开头写入文件header？

Question

我需要写一些与通过系统调度程序启动的应用程序状态相关的信息。那么处理线应该是：

2019-10-09 23:39:22.936 +02:00 [DBG] ======================================================================
2019-10-09 23:39:22.999 +02:00 [DBG] MyAppDELFOR (0.10.1  2019-10-09)
2019-10-09 23:39:22.999 +02:00 [DBG] ----------------------------------------------------------------------
2019-10-09 23:39:23.015 +02:00 [DBG] stageDirectory: 'c:\EDIAbc\Company_received_stage'
2019-10-09 23:39:23.015 +02:00 [DBG] oftpIncomingDirectory: 'c:\EDIAbc\Company_incoming'
2019-10-09 23:39:23.015 +02:00 [DBG] archiveDirectory: 'c:\EDIAbc\Company_received_archive'
2019-10-09 23:39:23.015 +02:00 [DBG] ----------------------------------------------------------------------
2019-10-09 23:39:23.061 +02:00 [WRN] The stage file 'c:\EDIAbc\Company_received_stage\DELFOR_010091_20191001' already exists and is to be deleted.
2019-10-09 23:39:24.905 +02:00 [INF] Processing 'c:\EDIAbc\Company_received_stage\DELFOR_010086_20191001'
2019-10-09 23:39:30.281 +02:00 [INF] Processing 'c:\EDIAbc\Company_received_stage\DELFOR_010087_20191001'
2019-10-09 23:39:34.109 +02:00 [INF] Processing 'c:\EDIAbc\Company_received_stage\DELFOR_010088_20191001'

目前，我总是写header。但是，应用程序启动相当频繁，"No data to process" 的情况很常见。因此我想避免写 header，我只想写 "No data to process" 或类似的行。

有没有办法（在 Serilog 中）仅在创建日志文件时写入 header？

Answer 1

最近，File 接收器中添加了一组启用此类功能的挂钩。主要贡献者有a nice demo repo.

Serilog：如何只在文件开头写入文件header？

Serilog: How to write the file header only at the beginning of the file?

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