func countWordsInLine(line string) int64 {
// Break line into words and count each valid word.
words := strings.Fields(line)
count := int64(0)
for _, word := range words {
if _, err := cleaner.Clean(word); err == nil {
count++
}
}
return count
}
// readAndCount reads the reader given and counts the words into a map which
// is returned.
func readAndCount(reader *bufio.Reader) map[string]int64 {
m := make(map[string]int64)
for {
// Read lines.
line, err := reader.ReadString('\n')
if err != nil {
if err != io.EOF {
fmt.Fprintf(os.Stderr, "in wordcount main, error reading: %v\n", err)
}
break
}
// Break line into words and count them in the map.
words := strings.Fields(line)
for _, word := range words {
if cleanWord, err := cleaner.Clean(word); err == nil {
m[cleanWord]++
}
}
}
return m
}