fix file path on windows

examples/defer/defer.go

@@ -8,6 +8,7 @@ package main
 import (
 	"fmt"
 	"os"
+	"path/filepath"
 )
 
 // Suppose we wanted to create a file, write to it,
@@ -20,7 +21,8 @@ func main() {
 	// with `closeFile`. This will be executed at the end
 	// of the enclosing function (`main`), after
 	// `writeFile` has finished.
-	f := createFile("/tmp/defer.txt")
+	path := filepath.Join(os.TempDir(), "defer.txt")
+	f := createFile(path)
 	defer closeFile(f)
 	writeFile(f)
 }

examples/defer/defer.hash

@@ -1,2 +1,2 @@
-249d0bc915e075a664be8b4e9115aa9568c8999e
-nhAzhDn_jga
+b3687ac676cbe21ebb53a8d864fc15649c27c4a8
+9_sJ5XnikSw

examples/reading-files/reading-files.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"io"
 	"os"
+	"path/filepath"
 )
 
 // Reading files requires checking most calls for errors.
@@ -23,7 +24,8 @@ func main() {
 
 	// Perhaps the most basic file reading task is
 	// slurping a file's entire contents into memory.
-	dat, err := os.ReadFile("/tmp/dat")
+	path := filepath.Join(os.TempDir(), "dat")
+	dat, err := os.ReadFile(path)
 	check(err)
 	fmt.Print(string(dat))
 

examples/reading-files/reading-files.hash

@@ -1,2 +1,2 @@
-db59474ee414017c3021706ceb35d5e355f967b3
-SKTzfpnV0To
+444f239565d06eabfc9fa9370db205fff292b238
+xKVFTA3G9k6

examples/writing-files/writing-files.go

@@ -7,6 +7,7 @@ import (
 	"bufio"
 	"fmt"
 	"os"
+	"path/filepath"
 )
 
 func check(e error) {
@@ -20,11 +21,13 @@ func main() {
 	// To start, here's how to dump a string (or just
 	// bytes) into a file.
 	d1 := []byte("hello\ngo\n")
-	err := os.WriteFile("/tmp/dat1", d1, 0644)
+	path1 := filepath.Join(os.TempDir(), "dat1")
+	err := os.WriteFile(path1, d1, 0644)
 	check(err)
 
 	// For more granular writes, open a file for writing.
-	f, err := os.Create("/tmp/dat2")
+	path2 := filepath.Join(os.TempDir(), "dat2")
+	f, err := os.Create(path2)
 	check(err)
 
 	// It's idiomatic to defer a `Close` immediately

examples/writing-files/writing-files.hash

@@ -1,2 +1,2 @@
-e312100df0c063ecd65e7599653636188277b6a6
-Y12O-L_zFS1
+b93857561df33d0ed970d15e26f321627e770655
+iuKQDnKfl2T