X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=cmd%2Ftai64nlocal%2Fmain.go;h=04bce9dfd5b8fafd10aff0e0ae246cea2c462a0d;hb=1212e4f1f980bead7213aaf8fe029395d2ecae13;hp=4b58127a6fdfabd0a74da6ee3c64a835b8bbb340;hpb=266a0ae363ebb2c96e0a1d700c20bfc3a3188788;p=gotai64n.git

diff --git a/cmd/tai64nlocal/main.go b/cmd/tai64nlocal/main.go
index 4b58127..04bce9d 100644
--- a/cmd/tai64nlocal/main.go
+++ b/cmd/tai64nlocal/main.go
@@ -1,6 +1,6 @@
 /*
-go.cypherpunks.ru/tai64n -- Pure Go TAI64N implementation
-Copyright (C) 2020-2021 Sergey Matveev <stargrave@stargrave.org>
+go.cypherpunks.ru/tai64n -- Pure Go TAI64/TAI64N implementation
+Copyright (C) 2020-2022 Sergey Matveev <stargrave@stargrave.org>
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -19,16 +19,38 @@ package main
 
 import (
 	"bufio"
+	"flag"
+	"fmt"
+	"io/ioutil"
 	"log"
 	"os"
 	"strings"
 	"time"
 
-	"go.cypherpunks.ru/tai64n"
+	"go.cypherpunks.ru/tai64n/v2"
 )
 
 func main() {
 	log.SetFlags(0)
+	flag.Usage = func() {
+		fmt.Fprintf(
+			flag.CommandLine.Output(),
+			"Replace \"@HEX(TAI64)\"-prefixed line with human readable UTC.\n",
+		)
+		flag.PrintDefaults()
+	}
+	leapsecs := flag.Bool("leapsecs", false, "Take leap seconds into account: honest TAI->UTC")
+	db := flag.String("leapsecsdb", "", "Use that leapsecs.dat leap seconds database")
+	flag.Parse()
+
+	if *db != "" {
+		buf, err := ioutil.ReadFile(*db)
+		if err != nil {
+			log.Fatalln(err)
+		}
+		tai64n.LeapsecsDBLoad(buf)
+	}
+
 	scanner := bufio.NewScanner(os.Stdin)
 	var err error
 	var s string
@@ -55,6 +77,9 @@ func main() {
 		if err != nil {
 			log.Fatalln(err)
 		}
+		if *leapsecs {
+			t = tai64n.LeapsecsSub(t)
+		}
 		os.Stdout.WriteString(t.Format(tai64n.LocalFmt) + s[sep:] + "\n")
 	}
 }