fix: remove ioutil

benchmark_test.go

@@ -2,7 +2,7 @@ package misspell
 
 import (
 	"bytes"
-	"io/ioutil"
+	"io"
 	"testing"
 )
 
@@ -74,7 +74,7 @@ func BenchmarkCleanStreamDiscard(b *testing.B) {
 	for n := 0; n < b.N; n++ {
 		buf.Reset()
 		buf.WriteString(sampleClean)
-		rep.ReplaceReader(buf, ioutil.Discard, discardDiff)
+		rep.ReplaceReader(buf, io.Discard, discardDiff)
 	}
 }
 

cmd/misspell/main.go

@@ -6,7 +6,6 @@ import (
 	"flag"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"os"
 	"path/filepath"
@@ -91,7 +90,7 @@ func worker(writeit bool, r *misspell.Replacer, mode string, files <-chan string
 		}
 
 		if writeit {
-			ioutil.WriteFile(filename, []byte(updated), 0)
+			os.WriteFile(filename, []byte(updated), 0)
 		}
 	}
 	results <- count
@@ -127,7 +126,7 @@ func main() {
 	if *debugFlag {
 		debug = log.New(os.Stderr, "DEBUG ", 0)
 	} else {
-		debug = log.New(ioutil.Discard, "", 0)
+		debug = log.New(io.Discard, "", 0)
 	}
 
 	r := misspell.Replacer{
@@ -199,7 +198,7 @@ func main() {
 	// we see it so it doesn't use a prefix or include a time stamp.
 	switch {
 	case *quietFlag || *outFlag == "/dev/null":
-		stdout = log.New(ioutil.Discard, "", 0)
+		stdout = log.New(io.Discard, "", 0)
 	case *outFlag == "/dev/stderr" || *outFlag == "stderr":
 		stdout = log.New(os.Stderr, "", 0)
 	case *outFlag == "/dev/stdout" || *outFlag == "stdout":
@@ -257,7 +256,7 @@ func main() {
 			// if we are not writing out the corrected stream
 			// then work just like files.  Misspelling errors
 			// are sent to stdout
-			fileout = ioutil.Discard
+			fileout = io.Discard
 			errout = os.Stdout
 		}
 		count := 0

mime.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -71,7 +70,8 @@ var scm = map[string]bool{
 }
 
 // isSCMPath returns true if the path is likely part of a (private) SCM
-//  directory.  E.g.  ./git/something  = true
+//
+//	directory.  E.g.  ./git/something  = true
 func isSCMPath(s string) bool {
 	// hack for .git/COMMIT_EDITMSG and .git/TAG_EDITMSG
 	// normally we don't look at anything in .git
@@ -136,15 +136,17 @@ func isTextFile(raw []byte) bool {
 }
 
 // ReadTextFile returns the contents of a file, first testing if it is a text file
-//  returns ("", nil) if not a text file
-//  returns ("", error) if error
-//  returns (string, nil) if text
+//
+//	returns ("", nil) if not a text file
+//	returns ("", error) if error
+//	returns (string, nil) if text
 //
 // unfortunately, in worse case, this does
-//   1 stat
-//   1 open,read,close of 512 bytes
-//   1 more stat,open, read everything, close (via ioutil.ReadAll)
-//  This could be kinder to the filesystem.
+//
+//	 1 stat
+//	 1 open,read,close of 512 bytes
+//	 1 more stat,open, read everything, close (via io.ReadAll)
+//	This could be kinder to the filesystem.
 //
 // This uses some heuristics of the file's extension (e.g. .zip, .txt) and
 // uses a sniffer to determine if the file is text or not.
@@ -198,7 +200,7 @@ func ReadTextFile(filename string) (string, error) {
 	}
 
 	// read in whole file
-	raw, err := ioutil.ReadFile(filename)
+	raw, err := os.ReadFile(filename)
 	if err != nil {
 		return "", fmt.Errorf("Unable to read all %q: %s", filename, err)
 	}