Initial commit

vendor/github.com/hpcloud/tail/cmd/gotail/.gitignore

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+gotail

vendor/github.com/hpcloud/tail/cmd/gotail/Makefile

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+default:	gotail
+
+gotail:	*.go ../../*.go
+	go build

vendor/github.com/hpcloud/tail/cmd/gotail/gotail.go

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+// Copyright (c) 2015 HPE Software Inc. All rights reserved.
+// Copyright (c) 2013 ActiveState Software Inc. All rights reserved.
+
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/hpcloud/tail"
+)
+
+func args2config() (tail.Config, int64) {
+	config := tail.Config{Follow: true}
+	n := int64(0)
+	maxlinesize := int(0)
+	flag.Int64Var(&n, "n", 0, "tail from the last Nth location")
+	flag.IntVar(&maxlinesize, "max", 0, "max line size")
+	flag.BoolVar(&config.Follow, "f", false, "wait for additional data to be appended to the file")
+	flag.BoolVar(&config.ReOpen, "F", false, "follow, and track file rename/rotation")
+	flag.BoolVar(&config.Poll, "p", false, "use polling, instead of inotify")
+	flag.Parse()
+	if config.ReOpen {
+		config.Follow = true
+	}
+	config.MaxLineSize = maxlinesize
+	return config, n
+}
+
+func main() {
+	config, n := args2config()
+	if flag.NFlag() < 1 {
+		fmt.Println("need one or more files as arguments")
+		os.Exit(1)
+	}
+
+	if n != 0 {
+		config.Location = &tail.SeekInfo{-n, os.SEEK_END}
+	}
+
+	done := make(chan bool)
+	for _, filename := range flag.Args() {
+		go tailFile(filename, config, done)
+	}
+
+	for _, _ = range flag.Args() {
+		<-done
+	}
+}
+
+func tailFile(filename string, config tail.Config, done chan bool) {
+	defer func() { done <- true }()
+	t, err := tail.TailFile(filename, config)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	for line := range t.Lines {
+		fmt.Println(line.Text)
+	}
+	err = t.Wait()
+	if err != nil {
+		fmt.Println(err)
+	}
+}