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author | =Corey Hulen <corey@hulen.com> | 2016-01-11 09:13:38 -0600 |
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committer | =Corey Hulen <corey@hulen.com> | 2016-01-11 09:13:38 -0600 |
commit | 30bb530903352039c1b5055a756b7e246e2406b6 (patch) | |
tree | fddb6a34fbb67a8748c88ace8d316a6dcac9109a /Godeps/_workspace/src/github.com/alecthomas/log4go/examples/FileLogWriter_Manual.go | |
parent | b1251b93932adf616a996725448d0b77fad0d3c1 (diff) | |
download | chat-30bb530903352039c1b5055a756b7e246e2406b6.tar.gz chat-30bb530903352039c1b5055a756b7e246e2406b6.tar.bz2 chat-30bb530903352039c1b5055a756b7e246e2406b6.zip |
Upgrading logging package
Diffstat (limited to 'Godeps/_workspace/src/github.com/alecthomas/log4go/examples/FileLogWriter_Manual.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/alecthomas/log4go/examples/FileLogWriter_Manual.go | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/github.com/alecthomas/log4go/examples/FileLogWriter_Manual.go b/Godeps/_workspace/src/github.com/alecthomas/log4go/examples/FileLogWriter_Manual.go new file mode 100644 index 000000000..efd596aa6 --- /dev/null +++ b/Godeps/_workspace/src/github.com/alecthomas/log4go/examples/FileLogWriter_Manual.go @@ -0,0 +1,57 @@ +package main + +import ( + "bufio" + "fmt" + "io" + "os" + "time" +) + +import l4g "code.google.com/p/log4go" + +const ( + filename = "flw.log" +) + +func main() { + // Get a new logger instance + log := l4g.NewLogger() + + // Create a default logger that is logging messages of FINE or higher + log.AddFilter("file", l4g.FINE, l4g.NewFileLogWriter(filename, false)) + log.Close() + + /* Can also specify manually via the following: (these are the defaults) */ + flw := l4g.NewFileLogWriter(filename, false) + flw.SetFormat("[%D %T] [%L] (%S) %M") + flw.SetRotate(false) + flw.SetRotateSize(0) + flw.SetRotateLines(0) + flw.SetRotateDaily(false) + log.AddFilter("file", l4g.FINE, flw) + + // Log some experimental messages + log.Finest("Everything is created now (notice that I will not be printing to the file)") + log.Info("The time is now: %s", time.Now().Format("15:04:05 MST 2006/01/02")) + log.Critical("Time to close out!") + + // Close the log + log.Close() + + // Print what was logged to the file (yes, I know I'm skipping error checking) + fd, _ := os.Open(filename) + in := bufio.NewReader(fd) + fmt.Print("Messages logged to file were: (line numbers not included)\n") + for lineno := 1; ; lineno++ { + line, err := in.ReadString('\n') + if err == io.EOF { + break + } + fmt.Printf("%3d:\t%s", lineno, line) + } + fd.Close() + + // Remove the file so it's not lying around + os.Remove(filename) +} |