Fix warnings

main.go

@@ -89,6 +89,10 @@ func dumpFile(fileName string, pathName string) {
 	}
 	defer file.Close()
 	fileEntry, err := prodos.GetFileEntry(file, pathName)
+	if err != nil {
+		fmt.Printf("Failed to path %s:\n  %s", pathName, err)
+		os.Exit(1)
+	}
 	prodos.DumpFileEntry(fileEntry)
 }
 
@@ -101,6 +105,10 @@ func dumpDirectory(fileName string, pathName string) {
 	}
 	defer file.Close()
 	_, directoryheader, _, err := prodos.ReadDirectory(file, pathName)
+	if err != nil {
+		fmt.Printf("Failed to read directory %s:\n  %s", pathName, err)
+		os.Exit(1)
+	}
 	prodos.DumpDirectoryHeader(directoryheader)
 }
 
@@ -200,6 +208,9 @@ func put(fileName string, pathName string, fileType uint8, auxType uint16, inFil
 	}
 	defer file.Close()
 	fileInfo, err := os.Stat(fileName)
+	if err != nil {
+		fmt.Printf("Failed get fileInfo for %s - %s", fileName, err)
+	}
 
 	err = prodos.WriteFileFromFile(file, pathName, fileType, auxType, fileInfo.ModTime(), inFileName, false)
 	if err != nil {
@@ -229,7 +240,7 @@ func get(fileName string, pathName string, outFileName string) {
 		os.Exit(1)
 	}
 	if strings.HasSuffix(strings.ToLower(outFileName), ".bas") {
-		fmt.Fprintf(outFile, prodos.ConvertBasicToText(getFile))
+		fmt.Fprint(outFile, prodos.ConvertBasicToText(getFile))
 	} else {
 		outFile.Write(getFile)
 	}

prodos/basic_test.go

@@ -74,7 +74,7 @@ func TestConvertTextToBasic(t *testing.T) {
 		testname := tt.name
 		t.Run(testname, func(t *testing.T) {
 			basic, _ := ConvertTextToBasic(tt.basicText)
-			if bytes.Compare(basic, tt.want) != 0 {
+			if !bytes.Equal(basic, tt.want) {
 				t.Errorf("%s\ngot '%#v'\nwant '%#v'\n", testname, basic, tt.want)
 			}
 		})

prodos/directory.go

@@ -277,7 +277,7 @@ func expandDirectory(readerWriter ReaderWriterAt, buffer []byte, blockNumber uin
 	nextBlockNumber := blockList[0]
 	buffer[0x02] = byte(nextBlockNumber & 0x00FF)
 	buffer[0x03] = byte(nextBlockNumber >> 8)
-	WriteBlock(readerWriter, blockNumber, buffer)
+	err = WriteBlock(readerWriter, blockNumber, buffer)
 	if err != nil {
 		errString := fmt.Sprintf("failed to write block to expand directory: %s", err)
 		return 0, errors.New(errString)