shithub: misc

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add filecon util

diff: cannot open b/filecon//null: file does not exist: 'b/filecon//null'

--- /dev/null

+++ b/filecon/filecon.go

@@ -1,0 +1,33 @@

+package main

+

+import (

+	"bufio"

+	"fmt"

+	"log"

+	"os"

+)

+

+func main() {

+	fn := os.Args[1]

+	log.Printf("opening %v...", fn)

+	f, err := os.OpenFile(fn, os.O_RDWR|os.O_CREATE, 0666)

+	if err != nil {

+		log.Fatalf("%v", err)

+	}

+	defer f.Close()

+	r := bufio.NewReader(f)

+	rr := bufio.NewReader(os.Stdin)

+	for {

+		l, err := rr.ReadString('\n')

+		if err != nil {

+			log.Fatalf("%v", err)

+		}

+		log.Printf("send '%v'\n", l)

+		fmt.Fprintf(f, "%v\n", l)

+		l, err = r.ReadString('\n')

+		if err != nil {

+			log.Fatalf("%v", err)

+		}

+		log.Printf("filecon: received '%v'.", l)

+	}

+}

--- /dev/null

+++ b/filecon/go.mod

@@ -1,0 +1,3 @@

+module filecon

+

+go 1.17