42 lines
575 B
Go
42 lines
575 B
Go
package main
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import (
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"log"
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"os"
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"path/filepath"
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)
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type LogWriter struct {
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f *os.File
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}
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func (lw *LogWriter) Write(p []byte) (n int, err error) {
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n, err = os.Stderr.Write(p)
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if err != nil {
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return
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}
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return lw.f.Write(p)
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}
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func init() {
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executable, err := os.Executable()
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if err != nil {
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log.Fatal(err)
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}
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path := filepath.Dir(executable) + "/latest.log"
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f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
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if err != nil {
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log.Fatal(err)
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}
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go func() {
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defer f.Close()
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select {}
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}()
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lw := &LogWriter{f}
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log.SetOutput(lw)
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}
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