英文:
What format does this log file is and is there a way to convert this?
问题
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我有一个简单的 Go 程序，使用了一个名为 zerolog 的第三方日志库，并打印日志。
package main
import (
"os"
"time"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
)
func init() {
zerolog.SetGlobalLevel(zerolog.DebugLevel)
zerolog.TimeFieldFormat = zerolog.TimeFormatUnixMs
log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr, TimeFormat: time.RFC3339Nano})
}
func main() {
log.Debug().Msg("This if debugging message")
log.Info().Msg("This is information message")
}
如果你简单地用 $ go run main.go 运行这个程序，它会打印出以下结果。
2021-06-23T12:45:29.409Z DBG This if debugging message
2021-06-23T12:45:29.41Z INF This is information message
然而，如果我使用 nohup 运行这个程序 $ nohup go run main.go &，那么它会创建一个名为 nohup.out 的输出文件，并写入不同的日志格式。为什么会这样呢？
[90m2021-06-23T12:59:37.755Z[0m [33mDBG[0m This if debugging message
[90m2021-06-23T12:59:37.756Z[0m [32mINF[0m This is information message
有人可以友好地解释一下这是什么格式，以及如何将其转换为像第一个结果那样的可读格式吗？
英文:
This may be a noop question to ask but since I have no idea what and how to search for, I decided to to ask this to public. Please leave a comment if you think this question needs an improvement or need more information. I'll try to respond and edit as soon as possible.
I have this simple Go program that uses thirty party logging library called zerolog and prints logs.
package main
import (
"os"
"time"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
)
func init() {
zerolog.SetGlobalLevel(zerolog.DebugLevel)
zerolog.TimeFieldFormat = zerolog.TimeFormatUnixMs
log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr, TimeFormat: time.RFC3339Nano})
}
func main() {
log.Debug().Msg("This if debugging message")
log.Info().Msg("This is information message")
}
If you simply run this program with $ go run main.go, it prints out the following result.
2021-06-23T12:45:29.409Z DBG This if debugging message
2021-06-23T12:45:29.41Z INF This is information message
However, if I use nohup to run this program $ nohup go run main.go &, then it creates an output file called nohup.out and writes different log format. Why is that?
[90m2021-06-23T12:59:37.755Z[0m [33mDBG[0m This if debugging message
[90m2021-06-23T12:59:37.756Z[0m [32mINF[0m This is information message
Can anyone kindly explain to me what format this is and how do I convert this to human readable format like the first result?
答案1
得分: 4
它正在使用带有颜色的zerolog ConsoleWriter，所以你在第二个输出中看到的是用于彩色输出的转义序列。你可以关闭颜色（从zerolog示例中复制）：
func main() {
out := zerolog.NewConsoleWriter()
out.NoColor = true
log := zerolog.New(out)
log.Debug().Str("foo", "bar").Msg("Hello World")
}
英文:
It is using the zerolog ConsoleWriter with color, so what you see in the second output is the escape sequences for colored output. You can turn color off (copied from zerolog examples):
func main() {
out := zerolog.NewConsoleWriter()
out.NoColor = true
log := zerolog.New(out)
log.Debug().Str("foo", "bar").Msg("Hello World")
}
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