用于处理这种形式的多行日志：
2021/12/07 03:45:23 [error] 21009#21009: *26474 broken header: "GET / HTTP/1.1
Host: 127.0.0.1
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
" while reading PROXY protocol, client: 127.0.0.1, server: 127.0.0.1:80
2021/12/07 03:45:23 [error] 21009#21009: *26475 broken header: "GET / HTTP/1.1
Host: 127.0.0.1
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
" while reading PROXY protocol, client: 127.0.0.1, server: 127.0.0.1:80
2021/12/07 03:45:23 [error] 21009#21009: *26476 broken header: "GET / HTTP/1.1
Host: localhost
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
" while reading PROXY protocol, client: 127.0.0.1, server: 127.0.0.1:80
使用方式类似grep
$ ./logrep -b '^[0-9]{4}' keep test.log
match: "keep"
file: "test.log"
blockheading: "^[0-9]{4}"
delim: false
nohighlight: false
ignorecase: false
2021/12/07 03:45:24 [error] 21010#21010: *26485 broken header: "GET / HTTP/1.1
Host: localhost
Accept-Encoding: identity
connection: keep-alive
" while reading PROXY protocol, client: 127.0.0.1, server: 127.0.0.1:80
2021/12/07 03:45:24 [error] 21010#21010: *26486 broken header: "GET / HTTP/1.1
Host: localhost
Accept-Encoding: identity
connection: keep-alive
" while reading PROXY protocol, client: 127.0.0.1, server: 127.0.0.1:80
2021/12/07 03:45:24 [error] 21010#21010: *26487 broken header: "GET / HTTP/1.1
Host: 127.0.0.1
Accept-Encoding: identity
connection: keep-alive
==== total 3 matches ====