✨ tail

Author: Rehtt

tail/tail.go

@@ -0,0 +1,27 @@
+package tail
+
+import (
+	"bufio"
+	"io"
+	"log"
+	"os/exec"
+)
+
+// 简单封装tail命令
+func Tail(filePath string, f func(text string)) {
+	c := exec.Command("tail", "-f", "-n", "+0", filePath)
+	stdout, err := c.StdoutPipe()
+	if err != nil {
+		log.Fatalln(err)
+	}
+	if err = c.Start(); err != nil {
+		log.Fatalln(err)
+	}
+	go func(stdout io.ReadCloser) {
+		buf := bufio.NewScanner(stdout)
+		buf.Split(bufio.ScanLines)
+		for buf.Scan() {
+			f(buf.Text())
+		}
+	}(stdout)
+}