lib/os: merge some functions from lib/io

Functions like Copy, IsBinary, IsDirEmpty, IsFileExist, RmdirEmptyAll
are read and operate on file and directory on operating system level, so
it is not correct to put it in package io.

1 files changed, 19 insertions, 0 deletions

diff --git a/lib/os/example_test.go b/lib/os/example_test.go
new file mode 100644
index 00000000..00c82638
--- /dev/null
+++ b/lib/os/example_test.go
@@ -0,0 +1,19 @@
+// Copyright 2023, Shulhan <ms@kilabit.info>. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package os_test
+
+import (
+	"fmt"
+
+	libos "github.com/shuLhan/share/lib/os"
+)
+
+func ExampleIsBinary() {
+	fmt.Println(libos.IsBinary("/bin/bash"))
+	fmt.Println(libos.IsBinary("io.go"))
+	// Output:
+	// true
+	// false
+}