diff --git a/examples/directories/directories.go b/examples/directories/directories.go
index 0384354..8abdb51 100644
--- a/examples/directories/directories.go
+++ b/examples/directories/directories.go
@@ -7,6 +7,7 @@ import (
"fmt"
"io/ioutil"
"os"
+ "path/filepath"
)
func check(e error) {
@@ -53,7 +54,7 @@ func main() {
fmt.Println("Listing subdir/parent")
for _, entry := range c {
- fmt.Println(entry.Name(), entry.IsDir())
+ fmt.Println(" ", entry.Name(), entry.IsDir())
}
// `Chdir` lets us change the current working directory,
@@ -68,10 +69,27 @@ func main() {
fmt.Println("Listing subdir/parent/child")
for _, entry := range c {
- fmt.Println(entry.Name(), entry.IsDir())
+ fmt.Println(" ", entry.Name(), entry.IsDir())
}
// `cd` back to where we started.
err = os.Chdir("../../..")
check(err)
+
+ // We can also visit a directory *recursively*,
+ // including all its sub-directories. `Walk` accepts
+ // a callback function to handle every file or
+ // directory visited.
+ fmt.Println("Visiting subdir")
+ err = filepath.Walk("subdir", visit)
+}
+
+// visit is called for every file or directory found
+// recursively by `filepath.Walk`.
+func visit(p string, info os.FileInfo, err error) error {
+ if err != nil {
+ return err
+ }
+ fmt.Println(" ", p, info.IsDir())
+ return nil
}
diff --git a/examples/directories/directories.hash b/examples/directories/directories.hash
index b599edd..75cb9fa 100644
--- a/examples/directories/directories.hash
+++ b/examples/directories/directories.hash
@@ -1,2 +1,2 @@
-7b2eed223a00c8a84df582bd254a642c7a57dd9b
-UnjBL6NmR8-
+57a8f629f040270c15a0375be4424b392edf3c95
+LI7ty_KDozd
diff --git a/examples/directories/directories.sh b/examples/directories/directories.sh
index cc48f74..31a8f0c 100644
--- a/examples/directories/directories.sh
+++ b/examples/directories/directories.sh
@@ -1,7 +1,15 @@
$ go run directories.go
Listing subdir/parent
-child true
-file2 false
-file3 false
+ child true
+ file2 false
+ file3 false
Listing subdir/parent/child
-file4 false
+ file4 false
+Visiting subdir
+ subdir true
+ subdir/file1 false
+ subdir/parent true
+ subdir/parent/child true
+ subdir/parent/child/file4 false
+ subdir/parent/file2 false
+ subdir/parent/file3 false
diff --git a/public/directories b/public/directories
index f80b48f..a1bfce5 100644
--- a/public/directories
+++ b/public/directories
@@ -28,7 +28,7 @@
-
+
package main
@@ -47,6 +47,7 @@
"fmt"
"io/ioutil"
"os"
+ "path/filepath"
)
|
|
We can create a hierarchy of directories, including
-parents wiht MkdirAll. This is similar to the
+parents with MkdirAll. This is similar to the
command-line mkdir -p.
|
@@ -193,7 +194,7 @@ slice of os.FileInfo objects.
fmt.Println("Listing subdir/parent")
for _, entry := range c {
- fmt.Println(entry.Name(), entry.IsDir())
+ fmt.Println(" ", entry.Name(), entry.IsDir())
}
fmt.Println("Listing subdir/parent/child")
for _, entry := range c {
- fmt.Println(entry.Name(), entry.IsDir())
+ fmt.Println(" ", entry.Name(), entry.IsDir())
}
cd back to where we started.
-
+ |
err = os.Chdir("../../..")
check(err)
+ |
+
+
+
+ |
+ We can also visit a directory recursively,
+including all its sub-directories. Walk accepts
+a callback function to handle every file or
+directory visited.
+
+ |
+
+
+ fmt.Println("Visiting subdir")
+ err = filepath.Walk("subdir", visit)
+}
+ |
+
+
+
+ |
+ visit is called for every file or directory found
+recursively by filepath.Walk.
+
+ |
+
+
+ func visit(p string, info os.FileInfo, err error) error {
+ if err != nil {
+ return err
+ }
+ fmt.Println(" ", p, info.IsDir())
+ return nil
}
$ go run directories.go
Listing subdir/parent
-child true
-file2 false
-file3 false
+ child true
+ file2 false
+ file3 false
Listing subdir/parent/child
-file4 false
+ file4 false
+Visiting subdir
+ subdir true
+ subdir/file1 false
+ subdir/parent true
+ subdir/parent/child true
+ subdir/parent/child/file4 false
+ subdir/parent/file2 false
+ subdir/parent/file3 false
|