feat: add ReadCsvFile

fileutil/file.go

@@ -11,6 +11,7 @@ import (
 	"crypto/sha1"
 	"crypto/sha256"
 	"crypto/sha512"
+	"encoding/csv"
 	"errors"
 	"fmt"
 	"io"
@@ -434,3 +435,21 @@ func Sha(filepath string, shaType ...int) (string, error) {
 	return sha, nil
 
 }
+
+// MTime returns file modified time.
+// Play: todo
+func ReadCsvFile(filepath string) ([][]string, error) {
+	f, err := os.Open(filepath)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	csvReader := csv.NewReader(f)
+	records, err := csvReader.ReadAll()
+	if err != nil {
+		return nil, err
+	}
+
+	return records, nil
+}

fileutil/file_example_test.go

@@ -274,3 +274,14 @@ func ExampleSha() {
 	// d22aba2a1b7a2e2f512756255cc1c3708905646920cb1eb95e45b531ba74774dbbb89baebf1f716220eb9cf4908f1cfc5b2a01267704d9a59f59d77cab609870
 	// <nil>
 }
+
+func ExampleReadCsvFile() {
+	content, err := ReadCsvFile("./testdata/test.csv")
+
+	fmt.Println(content)
+	fmt.Println(err)
+
+	// Output:
+	// [[Bob  12  male] [Duke  14  male] [Lucy  16  female]]
+	// <nil>
+}

fileutil/file_test.go

@@ -273,7 +273,7 @@ func TestMTime(t *testing.T) {
 }
 
 func TestSha(t *testing.T) {
-	assert := internal.NewAssert(t, "TestMTime")
+	assert := internal.NewAssert(t, "TestSha")
 
 	sha1, err := Sha("./testdata/test.txt", 1)
 	sha256, err := Sha("./testdata/test.txt", 256)
@@ -284,3 +284,16 @@ func TestSha(t *testing.T) {
 	assert.Equal("aa6d0a3fbc3442c228d606da09e0c1dc98c69a1cac3da1909199e0266171df35", sha256)
 	assert.Equal("d22aba2a1b7a2e2f512756255cc1c3708905646920cb1eb95e45b531ba74774dbbb89baebf1f716220eb9cf4908f1cfc5b2a01267704d9a59f59d77cab609870", sha512)
 }
+
+func TestReadCsvFile(t *testing.T) {
+	assert := internal.NewAssert(t, "TestReadCsvFile")
+
+	content, err := ReadCsvFile("./testdata/test.csv")
+	t.Log(content)
+
+	assert.IsNil(err)
+
+	assert.Equal(3, len(content))
+	assert.Equal(3, len(content[0]))
+	assert.Equal("Bob", content[0][0])
+}