From a0cabd874df1669bde1a1bba4989a7fc4d00ae3e Mon Sep 17 00:00:00 2001
From: oabrivard <olivier@abrivard.fr>
Date: Fri, 24 Nov 2023 21:42:55 +0100
Subject: [PATCH] Added support for m flag

---
 hebrew.txt |  1 +
 main.go    | 30 +++++++++++++++++++++++++++---
 2 files changed, 28 insertions(+), 3 deletions(-)
 create mode 100644 hebrew.txt

diff --git a/hebrew.txt b/hebrew.txt
new file mode 100644
index 0000000..37ecc86
--- /dev/null
+++ b/hebrew.txt
@@ -0,0 +1 @@
+דניאל
diff --git a/main.go b/main.go
index d783753..f2f1e66 100644
--- a/main.go
+++ b/main.go
@@ -1,12 +1,14 @@
 package main
 
 import (
+	"bufio"
 	"bytes"
 	"flag"
 	"fmt"
 	"io"
 	"os"
 	"slices"
+	"unicode/utf8"
 )
 
 func byteCounter(f *os.File) {
@@ -75,11 +77,31 @@ func wordCounter(f io.Reader) {
 	}
 }
 
+func charCounter(f *os.File) {
+	var line string
+	var err error
+	r := bufio.NewReader(f)
+	count := 0
+
+	for err == nil {
+		line, err = r.ReadString('\n')
+		count += utf8.RuneCountInString(line)
+	}
+
+	if err != io.EOF {
+		fmt.Fprintf(os.Stderr, "error: %v\n", err)
+		os.Exit(1)
+	}
+
+	fmt.Println(count)
+}
+
 func main() {
 
-	cFlag := flag.Bool("c", false, "print the byte counts")
-	lFlag := flag.Bool("l", false, "print the line counts")
-	wFlag := flag.Bool("w", false, "print the word counts")
+	cFlag := flag.Bool("c", false, "print the byte count")
+	lFlag := flag.Bool("l", false, "print the line count")
+	wFlag := flag.Bool("w", false, "print the word count")
+	mFlag := flag.Bool("m", false, "print the character count")
 	flag.Parse()
 	fileName := flag.Arg(0)
 
@@ -103,5 +125,7 @@ func main() {
 		lineCounter(f)
 	case *wFlag:
 		wordCounter(f)
+	case *mFlag:
+		charCounter(f)
 	}
 }