Start refactor of code into what I think is a more modular way of working

pkg/evelogs/logFile.go

@@ -0,0 +1,48 @@
+package evelogs
+
+import (
+	"fmt"
+	"log"
+	"os"
+)
+
+type LogFile struct {
+	Path string
+}
+
+// create a lofFile instance, if it's a file.
+func NewLogFile(path string) (*LogFile, error) {
+	lf := &LogFile{Path: path}
+	exists := lf.FileExists()
+	if !exists {
+		return nil, fmt.Errorf("File %s not found or is directory", lf.Path)
+	}
+	return lf, nil
+}
+
+func (lf *LogFile) FileExists() bool {
+	info, err := os.Stat(lf.Path)
+	if os.IsNotExist(err) {
+		return false
+	}
+	return !info.IsDir()
+}
+
+func (lf *LogFile) TailFile() error {
+	//lets start a goroutine to tail the file here
+	return nil
+}
+
+//create logFile instances from a list of paths
+func PathsToLogFiles(paths []string) ([]*LogFile, error) {
+	var logFiles []*LogFile
+	for _, f := range paths {
+		nLogFile, err := NewLogFile(f)
+		if err != nil {
+			log.Printf("Error with %s: %s", f, err)
+			return nil, err
+		}
+		logFiles = append(logFiles, nLogFile)
+	}
+	return logFiles, nil
+}