How to use Read method of loader Package

Best K6 code snippet using loader.Read

loader.go

Source:loader.go Github

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...73 }74}75// LoadMem implements the loader.MemLoader interface.76func (l *Loader) LoadMem(data []byte) (loader.Module, error) {77 bin, err := pe.LoadModule(bytes.NewReader(data))78 if err != nil {79 return nil, err80 }81 if !l.machine.IsArchitectureSupported(int(bin.Header.FileHeader.Machine)) {82 return nil, fmt.Errorf("image architecture not %04x not supported by this machine", bin.Header.FileHeader.Machine)83 }84 pageSize := l.machine.GetPageSize()85 imageSize := vmem.RoundUp(uint64(bin.Header.OptionalHeader.SizeOfImage), pageSize)86 var mem loader.Memory87 // If the image is not movable, allocate it at its preferred address.88 if bin.Header.OptionalHeader.DllCharacteristics&pe.ImageDLLCharacteristicsDynamicBase == 0 {89 mem = l.machine.Alloc(bin.Header.OptionalHeader.ImageBase, imageSize, vmem.MemCommit|vmem.MemReserve, vmem.PageExecuteReadWrite)90 if mem == nil {91 return nil, fmt.Errorf("image could not be mapped at preferred base 0x%08x and cannot be relocated", bin.Header.OptionalHeader.ImageBase)92 }93 }94 // Allocate anywhere, so as long as the image won't span a 4 GiB95 // alignment boundary.96 failedAllocs := []loader.Memory{}97 for mem == nil || mem.Addr()>>32 != (mem.Addr()+imageSize)>>32 {98 if mem != nil {99 failedAllocs = append(failedAllocs, mem)100 }101 if mem = l.machine.Alloc(0, imageSize, vmem.MemCommit|vmem.MemReserve, vmem.PageExecuteReadWrite); mem == nil {102 return nil, fmt.Errorf("allocation of %d bytes failed", imageSize)103 }104 }105 for _, i := range failedAllocs {106 i.Free()107 }108 realBase := mem.Addr()109 hdrsize := uint64(bin.Header.OptionalHeader.SizeOfHeaders)110 vmem.Alloc(realBase, hdrsize, vmem.MemCommit, vmem.PageReadWrite).Write(data[0:hdrsize])111 // Map sections into memory112 for _, section := range bin.Sections {113 addr := realBase + uint64(section.VirtualAddress)114 if section.SizeOfRawData == 0 {115 size := uint64(bin.Header.OptionalHeader.SectionAlignment)116 if size != 0 {117 vmem.Alloc(addr, size, vmem.MemCommit, vmem.PageReadWrite).Clear()118 }119 } else {120 sectionData := data[section.PointerToRawData : section.PointerToRawData+section.SizeOfRawData]121 vmem.Alloc(addr, uint64(section.SizeOfRawData), vmem.MemCommit, vmem.PageReadWrite).Write(sectionData)122 }123 // TODO: need to set Misc.PhysicalAddress?124 }125 // TODO: Detect native byte order for relocations.126 order := binary.LittleEndian127 machine := int(bin.Header.FileHeader.Machine)128 // Perform relocations129 relocs := pe.LoadBaseRelocs(bin, mem)130 if err := pe.Relocate(machine, relocs, uint64(realBase), bin.Header.OptionalHeader.ImageBase, mem, order); err != nil {131 return nil, err132 }133 // Perform runtime linking134 if err := pe.LinkModule(bin, mem, l.next); err != nil {135 return nil, err136 }137 // Set access flags.138 for _, section := range bin.Sections {139 executable := section.Characteristics&pe.ImageSectionCharacteristicsMemoryExecute != 0140 readable := section.Characteristics&pe.ImageSectionCharacteristicsMemoryRead != 0141 writable := section.Characteristics&pe.ImageSectionCharacteristicsMemoryWrite != 0142 protect := vmem.PageNoAccess143 switch {144 case !executable && !readable && !writable:145 protect = vmem.PageNoAccess146 case !executable && !readable && writable:147 protect = vmem.PageWriteCopy148 case !executable && readable && !writable:149 protect = vmem.PageReadOnly150 case !executable && readable && writable:151 protect = vmem.PageReadWrite152 case executable && !readable && !writable:153 protect = vmem.PageExecute154 case executable && !readable && writable:155 protect = vmem.PageExecuteWriteCopy156 case executable && readable && !writable:157 protect = vmem.PageExecuteRead158 case executable && readable && writable:159 protect = vmem.PageExecuteReadWrite160 }161 size := uint64(section.SizeOfRawData)162 if size == 0 {163 size = uint64(bin.Header.OptionalHeader.SectionAlignment)164 }165 err := mem.Protect(uint64(section.VirtualAddress), size, protect)166 if err != nil {167 return nil, err168 }169 }170 // Handle HINSTANCE setup.171 hinstance := realBase172 if l.pebhacks {173 // TODO: implement PEB loader hacks, see if it works.174 }175 if l.prochinst {176 if prochinst, err := winloader.GetProcessHInstance(); err == nil {177 hinstance = uint64(prochinst)178 }179 }180 m := &module{181 machine: l.machine,182 memory: mem,183 pemod: bin,184 hinstance: hinstance,185 }186 // Execute TLS callbacks.187 tlsdir := bin.Header.OptionalHeader.DataDirectory[pe.ImageDirectoryEntryTLS]188 if tlsdir.Size > 0 {189 mem.Seek(int64(tlsdir.VirtualAddress), io.SeekStart)190 dir := pe.ImageTLSDirectory64{}191 b := [8]byte{}192 psize := 4193 if bin.IsPE64 {194 psize = 8195 binary.Read(mem, binary.LittleEndian, &dir)196 } else {197 dir32 := pe.ImageTLSDirectory32{}198 binary.Read(mem, binary.LittleEndian, &dir32)199 dir = dir32.To64()200 }201 mem.Seek(int64(dir.AddressOfCallBacks), io.SeekStart)202 if dir.AddressOfCallBacks != 0 {203 for {204 mem.Read(b[:psize])205 addr := binary.LittleEndian.Uint64(b[:])206 if addr == 0 {207 break208 }209 cb := l.machine.MemProc(realBase + addr)210 cb.Call(hinstance, 1, 0)211 }212 }213 }214 // Execute entrypoint for attach.215 entry := l.machine.MemProc(realBase + uint64(bin.Header.OptionalHeader.AddressOfEntryPoint))216 entry.Call(hinstance, 1, 0)217 m.exports, err = pe.LoadExports(bin, mem, realBase)218 if err != nil {...

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ops_reader_test.go

Source:ops_reader_test.go Github

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...10)11var (12 logger *Logger13)14// Implements ReadCloser so that we can pass mocked op streams15// to NewByLineOpsReader16type mockOpsStreamReader struct {17 opsByteReader io.Reader18}19func newMockOpsStreamReader(t *testing.T, ops []Op) mockOpsStreamReader {20 opsByteStream := make([]byte, 0)21 for _, op := range ops {22 bytes, err := bson.Marshal(op)23 ensure.Nil(t, err)24 opsByteStream = append(opsByteStream, bytes...)25 }26 return mockOpsStreamReader{opsByteReader: bytes.NewReader(opsByteStream)}27}28func (m mockOpsStreamReader) Read(p []byte) (n int, err error) {29 return m.opsByteReader.Read(p)30}31func (m mockOpsStreamReader) Close() error {32 return nil33}34// Verify if the items being read are as expected.35func CheckOpsReader(t *testing.T, loader OpsReader) {36 expectedOpsRead := 037 const startingTs = 139645670942038 for op := loader.Next(); op != nil; op = loader.Next() {39 expectedOpsRead += 140 ensure.NotNil(t, op)41 ensure.DeepEqual(t, loader.OpsRead(), expectedOpsRead)42 // check the "ts" field43 CheckTime(t, float64(startingTs+loader.OpsRead()), op.Timestamp)44 // check the insert doc45 // certain key exists46 for i := 1; i <= 5; i++ {47 logTypeKey := fmt.Sprintf("logType%d", i)48 logType, ok := GetElem(op.InsertDoc, logTypeKey)49 if i != expectedOpsRead {50 ensure.False(t, ok)51 ensure.Nil(t, logType)52 } else {53 ensure.True(t, ok)54 ensure.NotNil(t, logType)55 }56 }57 // check the value for the shared key58 message := fmt.Sprintf("m%d", expectedOpsRead)59 actualMessage, ok := GetElem(op.InsertDoc, "message")60 ensure.True(t, ok)61 ensure.DeepEqual(t, actualMessage.(string), message)62 }63 ensure.DeepEqual(t, expectedOpsRead, 5)64}65func CheckSkipOps(t *testing.T, loader OpsReader) {66 expectedOpsRead := 067 // Skip a single op68 loader.SkipOps(1)69 // Read all remaining ops70 for op := loader.Next(); op != nil; op = loader.Next() {71 expectedOpsRead += 172 ensure.NotNil(t, op)73 ensure.DeepEqual(t, loader.OpsRead(), expectedOpsRead)74 }75 // Verify that only 4 ops are read, since we skipped one76 ensure.DeepEqual(t, expectedOpsRead, 4)77}78func CheckSetStartTime(t *testing.T, loader OpsReader) {79 expectedOpsRead := 080 numSkipped, err := loader.SetStartTime(1396456709424)81 ensure.Nil(t, err)82 ensure.DeepEqual(t, numSkipped, int64(4))83 for op := loader.Next(); op != nil; op = loader.Next() {84 expectedOpsRead += 185 ensure.NotNil(t, op)86 ensure.DeepEqual(t, loader.OpsRead(), expectedOpsRead)87 }88 // Verify that only 4 ops are read, since we skipped one89 ensure.DeepEqual(t, expectedOpsRead, 1)90}91func TestPruneEmptyKeys(t *testing.T) {92 t.Parallel()93 // Check findAndModify and update structures to ensure nil $unsets are removed94 testOps := []Op{95 Op{96 Ns: "foo.bar",97 Timestamp: time.Unix(1396457119, int64(032*time.Millisecond)),98 Type: Update,99 QueryDoc: bson.D{{"_id", "foo"}},100 UpdateDoc: bson.D{{"$set", bson.D{{"a", 1}}}, {"$unset", bson.D{}}},101 },102 Op{103 Ns: "foo.$cmd",104 Timestamp: time.Unix(1396457119, int64(032*time.Millisecond)),105 Type: Command,106 CommandDoc: bson.D{107 {"findandmodify", "bar"},108 {"query", bson.D{{"_id", "foo"}}},109 {"update", bson.D{{"$set", bson.D{{"b", 1}}}, {"$unset", bson.D{}}}},110 },111 },112 }113 reader := newMockOpsStreamReader(t, testOps)114 err, loader := NewByLineOpsReader(reader, logger, "")115 ensure.Nil(t, err)116 for op := loader.Next(); op != nil; op = loader.Next() {117 if op.Type == Command {118 updateDoc, ok := GetElem(op.CommandDoc, "update")119 ensure.True(t, ok)120 _, found := GetElem(updateDoc.(bson.D), "$unset")121 ensure.False(t, found)122 } else if op.Type == Update {123 _, found := GetElem(op.UpdateDoc, "$unset")124 ensure.False(t, found)125 }126 }127}128func TestFileByLineOpsReader(t *testing.T) {129 t.Parallel()130 logger, _ = NewLogger("", "")131 testOps := []Op{132 Op{133 Ns: "db.coll",134 Timestamp: time.Unix(1396456709, int64(421*time.Millisecond)),135 Type: Insert,136 InsertDoc: bson.D{{"logType1", "warning"}, {"message", "m1"}},137 },138 Op{139 Ns: "db.coll",140 Timestamp: time.Unix(1396456709, int64(422*time.Millisecond)),141 Type: Insert,142 InsertDoc: bson.D{{"logType2", "warning"}, {"message", "m2"}},143 },144 Op{145 Ns: "db.coll",146 Timestamp: time.Unix(1396456709, int64(423*time.Millisecond)),147 Type: Insert,148 InsertDoc: bson.D{{"logType3", "warning"}, {"message", "m3"}},149 },150 Op{151 Ns: "db.coll",152 Timestamp: time.Unix(1396456709, int64(424*time.Millisecond)),153 Type: Insert,154 InsertDoc: bson.D{{"logType4", "warning"}, {"message", "m4"}},155 },156 Op{157 Ns: "db.coll",158 Timestamp: time.Unix(1396456709, int64(425*time.Millisecond)),159 Type: Insert,160 InsertDoc: bson.D{{"logType5", "warning"}, {"message", "m5"}},161 },162 }163 reader := newMockOpsStreamReader(t, testOps)164 err, loader := NewByLineOpsReader(reader, logger, "")165 ensure.Nil(t, err)166 CheckOpsReader(t, loader)167 // Reset the reader so that we can test SkipOps168 reader = newMockOpsStreamReader(t, testOps)169 err, loader = NewByLineOpsReader(reader, logger, "")170 ensure.Nil(t, err)171 CheckSkipOps(t, loader)172 // Reset the reader so that we can test SetStartTime173 reader = newMockOpsStreamReader(t, testOps)174 err, loader = NewByLineOpsReader(reader, logger, "")175 ensure.Nil(t, err)176 CheckSetStartTime(t, loader)177}178func TestOpFilter(t *testing.T) {179 logger, _ = NewLogger("", "")180 testOps := []Op{181 Op{182 Ns: "db.coll",183 Timestamp: time.Unix(1396456709, int64(421*time.Millisecond)),184 Type: Insert,185 InsertDoc: bson.D{{"logType1", "warning"}, {"message", "m1"}},186 },187 Op{188 Ns: "db.coll",189 Timestamp: time.Unix(1396456709, int64(421*time.Millisecond)),190 Type: Update,191 QueryDoc: bson.D{{"_id", "foo"}},192 UpdateDoc: bson.D{{"$set", bson.D{{"a", 1}}}},193 },194 Op{195 Ns: "db.$cmd",196 Timestamp: time.Unix(1396456709, int64(421*time.Millisecond)),197 Type: Command,198 CommandDoc: bson.D{199 {"findandmodify", "coll"},200 {"query", bson.D{{"_id", "foo"}}},201 {"update", bson.D{{"$set", bson.D{{"a", 1}}}}},202 },203 },204 }205 test := func(opFilter string, expectedOps int) {206 reader := newMockOpsStreamReader(t, testOps)207 err, loader := NewByLineOpsReader(reader, logger, opFilter)208 ensure.Nil(t, err)209 opsRead := 0210 for op := loader.Next(); op != nil; op = loader.Next() {211 opsRead += 1212 }213 ensure.DeepEqual(t, opsRead, expectedOps)214 }215 test("", 3)216 test("update", 2)217 test("update,insert", 1)218 test("update,insert,command", 0)219}220func TestShouldFilterOp(t *testing.T) {221 t.Parallel()222 ensure.True(t, shouldFilterOp(&Op{Type: Update}, []OpType{Update}))223 ensure.True(t, shouldFilterOp(&Op{Type: Update}, []OpType{Update, Query}))224 ensure.True(t, shouldFilterOp(&Op{Type: Query}, []OpType{Update, Query}))225 ensure.False(t, shouldFilterOp(&Op{Type: Command}, []OpType{Update, Query}))226 ensure.False(t, shouldFilterOp(&Op{Type: Command}, []OpType{}))227}...

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loader_test.go

Source:loader_test.go Github

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...15 Source: []byte(message),16 }17 assert.Equal(message, loader.Location())18 assert.Equal(message, fmt.Sprintf("%s", loader))19 if read, err := ReadAll(loader); assert.Nil(err) {20 assert.Equal(message, string(read))21 }22 // UseClient should have no effect23 UseClient(loader, &http.Client{})24 assert.Equal(message, loader.Location())25 assert.Equal(message, fmt.Sprintf("%s", loader))26 if read, err := ReadAll(loader); assert.Nil(err) {27 assert.Equal(message, string(read))28 }29}30func TestFile(t *testing.T) {31 assert := assert.New(t)32 var loader Loader = &File{33 Path: testFilePath,34 }35 assert.Equal(testFilePath, loader.Location())36 assert.Equal(testFilePath, fmt.Sprintf("%s", loader))37 if read, err := ReadAll(loader); assert.Nil(err) {38 assert.Equal(testContents, string(read))39 }40 // UseClient should have no effect41 UseClient(loader, &http.Client{})42 assert.Equal(testFilePath, loader.Location())43 assert.Equal(testFilePath, fmt.Sprintf("%s", loader))44 if read, err := ReadAll(loader); assert.Nil(err) {45 assert.Equal(testContents, string(read))46 }47}48func TestFileMissing(t *testing.T) {49 assert := assert.New(t)50 missingFile := "/this/file/does/not/exist.txt"51 var loader Loader = &File{52 Path: missingFile,53 }54 assert.Equal(missingFile, loader.Location())55 assert.Equal(missingFile, fmt.Sprintf("%s", loader))56 read, err := ReadAll(loader)57 assert.Empty(read)58 assert.NotNil(err)59 // UseClient should have no effect60 UseClient(loader, &http.Client{})61 assert.Equal(missingFile, loader.Location())62 assert.Equal(missingFile, fmt.Sprintf("%s", loader))63 read, err = ReadAll(loader)64 assert.Empty(read)65 assert.NotNil(err)66}67func TestHTTPSimple(t *testing.T) {68 assert := assert.New(t)69 var loader Loader = &HTTP{70 URL: testFileURL,71 }72 assert.Equal(testFileURL, loader.Location())73 assert.Equal(testFileURL, fmt.Sprintf("%s", loader))74 if read, err := ReadAll(loader); assert.Nil(err) {75 assert.Equal(testContents, string(read))76 }77 newClientUsed := false78 newClient := &testHTTPClient{79 transport: func(request *http.Request) (*http.Response, error) {80 newClientUsed = true81 return http.DefaultClient.Do(request)82 },83 }84 UseClient(loader, newClient)85 assert.Equal(testFileURL, loader.Location())86 assert.Equal(testFileURL, fmt.Sprintf("%s", loader))87 if read, err := ReadAll(loader); assert.Nil(err) {88 assert.Equal(testContents, string(read))89 }90 assert.True(newClientUsed)91}92func TestHTTPInvalidRequest(t *testing.T) {93 assert := assert.New(t)94 var loader Loader = &HTTP{95 URL: testFileURL,96 Method: "INVALID METHOD",97 }98 data, err := ReadAll(loader)99 assert.Len(data, 0)100 assert.NotNil(err)101}102func TestHTTP(t *testing.T) {103 assert := assert.New(t)104 var testData = []struct {105 statusCode int106 header http.Header107 method string108 clientError error109 expectError bool110 }{111 {112 statusCode: 200,113 },114 {115 statusCode: 204,116 header: http.Header{117 "Accept": []string{"text/plain"},118 },119 },120 {121 statusCode: 404,122 expectError: true,123 },124 {125 clientError: errors.New("here is a nasty little error!"),126 expectError: true,127 },128 }129 for _, record := range testData {130 t.Logf("%#v", record)131 var body *readCloser132 client := &testHTTPClient{133 transport: func(request *http.Request) (*http.Response, error) {134 if len(record.method) == 0 {135 assert.Equal(DefaultMethod, request.Method)136 } else {137 assert.Equal(record.method, request.Method)138 }139 if assert.Len(request.Header, len(record.header)) {140 for key, actualValues := range request.Header {141 expectedValues := record.header[key]142 if assert.Len(actualValues, len(expectedValues)) && len(expectedValues) > 0 {143 sort.Strings(actualValues)144 sort.Strings(expectedValues)145 assert.Equal(expectedValues, actualValues)146 }147 }148 }149 if record.clientError != nil {150 return nil, record.clientError151 }152 body := &readCloser{153 reader: bytes.NewReader([]byte(testContents)),154 }155 return &http.Response{156 StatusCode: record.statusCode,157 Body: body,158 }, nil159 },160 }161 var loader Loader = &HTTP{162 URL: testFileURL,163 Header: record.header,164 Method: record.method,165 HTTPClient: client,166 }167 read, err := ReadAll(loader)168 if record.expectError {169 assert.Len(read, 0)170 assert.NotNil(err)171 } else {172 assert.Equal(testContents, string(read))173 assert.Nil(err)174 }175 assert.True(body == nil || body.closed)176 }177}...

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1import (2func main() {3 loader := Loader{}4 loader.Read("input.txt")5}6import (7func main() {8 loader := Loader{}9 loader.Write("output.txt")10}11import (12func main() {13 loader := Loader{}14 loader.Load("input.txt", "output.txt")15}16import (17func main() {18 loader := Loader{}19 loader.Load("input.txt", "output.txt")20}21import (22func main() {23 loader := Loader{}24 loader.Load("input.txt", "output.txt")25}26import (27func main() {28 loader := Loader{}29 loader.Load("input.txt", "output.txt")30}31import (32func main() {33 loader := Loader{}34 loader.Load("input.txt", "output.txt")35}36import (37func main() {38 loader := Loader{}39 loader.Load("input.txt", "output.txt")40}41import (42func main() {43 loader := Loader{}44 loader.Load("input.txt", "output.txt")45}46import (47func main() {48 loader := Loader{}49 loader.Load("input.txt", "output.txt")50}51import (

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1import (2func main() {3 if err != nil {4 log.Fatal(err)5 }6 defer resp.Body.Close()7 buf := make([]byte, 1024)8 for {9 n, err := resp.Body.Read(buf)10 if err != nil && err != io.EOF {11 log.Fatal(err)12 }13 if n == 0 {14 }15 fmt.Print(string(buf[:n]))16 }17}

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1import (2func main() {3 loader, err := config.NewConfig("ini", "conf/app.conf")4 if err != nil {5 fmt.Println("error:", err)6 }7 fmt.Println(loader.String("appname"))8 fmt.Println(loader.String("httpport"))9 fmt.Println(loader.String("mysqluser"))10 fmt.Println(loader.String("mysqlpass"))11 fmt.Println(loader.String("mysqldb"))12}

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1import (2func main() {3 l := loader.NewLoader("1.txt")4 s, err := l.Read()5 if err != nil {6 fmt.Println("Error occured while reading the file")7 }8 fmt.Println(s)9}

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1import (2func main() {3 stu.SetScore(100)4 fmt.Println(stu)5 fmt.Println(stu.GetScore())6}7import (8func main() {9 stu.SetScore(100)10 fmt.Println(stu)11 fmt.Println(stu.GetScore())12 stu.Write()13}14import (15func main() {16 stu.SetScore(100)17 fmt.Println(stu)18 fmt.Println(stu.GetScore())19 stu.Write()20 stu.Read()21}22import (23func main() {24 stu.SetScore(100)25 fmt.Println(stu)26 fmt.Println(stu.GetScore())27 stu.Write()28 stu.Read()29 stu.SetScore(200)30 fmt.Println(stu)31 fmt.Println(stu.GetScore())32}33import (34func main() {35 stu.SetScore(100)36 fmt.Println(stu)37 fmt.Println(stu.GetScore())38 stu.Write()39 stu.Read()40 stu.SetScore(200)41 fmt.Println(stu)42 fmt.Println(st

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1import (2func main() {3 file, err := os.Open("C:/Users/ABC/Desktop/1.txt")4 if err != nil {5 fmt.Println(err)6 }7 defer file.Close()8 loader := Loader{file}9 fmt.Println(loader.Read(2))10}11import (12func main() {13 file, err := os.Open("C:/Users/ABC/Desktop/1.txt")14 if err != nil {15 fmt.Println(err)16 }17 defer file.Close()18 loader := Loader{file}19 fmt.Println(loader.Read(2))20}21import (22func main() {23 file, err := os.Open("C:/Users/ABC/Desktop/1.txt")24 if err != nil {25 fmt.Println(err)26 }27 defer file.Close()28 loader := Loader{file}29 fmt.Println(loader.Read(2))30}31import (32func main() {33 file, err := os.Open("C:/Users/ABC/Desktop/1.txt")34 if err != nil {35 fmt.Println(err)36 }37 defer file.Close()38 loader := Loader{file}39 fmt.Println(loader.Read(2))40}41import (42func main() {43 file, err := os.Open("C:/Users/ABC/Desktop/1.txt")44 if err != nil {45 fmt.Println(err)46 }47 defer file.Close()48 loader := Loader{file}49 fmt.Println(loader.Read(2))50}

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1loader := new(Loader)2data, err := loader.Read("data.csv")3if err != nil {4log.Fatal(err)5}6fmt.Println(data)7type Loader struct{}8func (l *Loader) Read(filename string) ([][]string, error) {9f, err := os.Open(filename)10if err != nil {11}12r := csv.NewReader(f)13return r.ReadAll()14}15loader := new(Loader)16data, err := loader.Read("data.csv")17if err != nil {18log.Fatal(err)19}20fmt.Println(data)21loader := new(Loader)22data, err := loader.Read("data.csv")23if err != nil {24log.Fatal(err)25}26fmt.Println(data)27The ReadAll method is defined in the csv package. You need to import

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1import "fmt"2func main() {3 l := loader{}4 l.Read("file.txt")5 fmt.Println(l.data)6}7import "fmt"8func main() {9 l := loader{}10 l.Read("file.txt")11 fmt.Println(l.data)12}13import "fmt"14func main() {15 l := loader{}16 l.Read("file.txt")17 fmt.Println(l.data)18}19import "fmt"20func main() {21 l := loader{}22 l.Read("file.txt")23 fmt.Println(l.data)24}25import "fmt"26func main() {27 l := loader{}28 l.Read("file.txt")29 fmt.Println(l.data)30}31import "fmt"32func main() {33 l := loader{}34 l.Read("file.txt")35 fmt.Println(l.data)36}37import "fmt"38func main() {39 l := loader{}40 l.Read("file.txt")41 fmt.Println(l.data)42}43import "fmt"44func main() {45 l := loader{}46 l.Read("file.txt")47 fmt.Println(l.data)48}49import "fmt"50func main() {51 l := loader{}52 l.Read("file.txt")53 fmt.Println(l.data)54}55import "fmt"56func main() {

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