func main() {
inputFile, err := os.Open("src/github.com/roymiloh/AsciiArtExample/data/input.txt")
if err != nil {
panic(err)
}
outputFile, err := os.Create("src/github.com/roymiloh/AsciiArtExample/data/output.txt")
if err != nil {
panic(err)
}
r := AsciiArt.NewReader(inputFile)
wr := bufio.NewWriter(outputFile)
// a channel indicates on finish of writing process
done := make(chan bool, 1)
flushRate := 10
// buffered channel for throttling purposes
chRec := make(chan *AsciiArt.Record, flushRate)
// writing process in his own goroutine
go func() {
recCount := 0
for record := range chRec {
recCount += 1
fmt.Fprintln(wr, record.String())
if recCount%flushRate == 0 {
wr.Flush()
}
}
wr.Flush()
done <- true
}()
// reading and sending values to chRec
for {
record, err := r.Read()
if err != nil {
if err == io.EOF {
close(chRec)
break
} else {
// terminate the process if anything unexpected happens
// ..or do something else, it actually depends on the error.
panic(err)
}
}
chRec <- record
}
// waiting...
<-done
inputFile.Close()
outputFile.Close()
}
func ExampleWriter_Write() {
input :=
" _ _ _ _ _ _ _ \n" +
" | _| _||_||_ |_ ||_||_|\n" +
" ||_ _| | _||_| ||_| _|\n\n" +
" _ _ _ _ _ _ _ \n" +
" | _| _||_||_ |_ ||_||_|\n" +
" ||_ _| | _||_| |_| _|\n\n" +
" _ _ _ _ _ _ _ \n" +
" | _| _||_||_ |_ ||_||_|\n" +
" ||_ _| | _||_| ||_| _|\n\n"
r := AsciiArt.NewReader(strings.NewReader(input))
wr := bufio.NewWriter(os.Stdout)
// a channel indicates on finish of writing process
done := make(chan bool, 1)
flushRate := 10
// buffered channel for throttling purposes
chRec := make(chan *AsciiArt.Record, flushRate)
// writing process in his own goroutine
go func() {
recCount := 0
for record := range chRec {
recCount += 1
fmt.Fprintln(wr, record.String())
if recCount%flushRate == 0 {
wr.Flush()
}
}
wr.Flush()
done <- true
}()
// reading and sending values to chRec
for {
record, err := r.Read()
if err != nil {
if err == io.EOF {
close(chRec)
break
} else {
// terminate the process if anything unexpected happens
// ..or do something else, it actually depends on the error.
panic(err)
}
}
chRec <- record
}
<-done
// Output:
// 123456789
// 123456?89 ILLEGAL
// 723456189
}