Created
February 25, 2013 08:54
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package main | |
import ( | |
"fmt" | |
"io" | |
"log" | |
"net/http" | |
"os" | |
) | |
func main() { | |
url := os.Args[1] | |
resp, err := http.Get(url) | |
if err != nil { | |
log.Fatalf("download failed: %s: %s", url, err) | |
} | |
file, err := os.Create("/tmp/download.out") | |
if err != nil { | |
log.Fatalf("failed to create /tmp/download.out: %s", err) | |
} | |
done := make(chan bool) | |
go func() { | |
bytes, err := io.Copy(file, resp.Body) | |
if err != nil { | |
log.Fatalf("writing to file failed: %s", err) | |
} | |
log.Printf("finished, wrote %d bytes", bytes) | |
done <- true | |
}() | |
abort := make(chan bool) | |
go func() { | |
var cmd string | |
for { | |
log.Printf("Press any key + return to abort transfer") | |
fmt.Scan(&cmd) | |
log.Printf("got %s\n", cmd) | |
abort <- true | |
} | |
}() | |
outer: | |
for { | |
select { | |
case <-done: | |
log.Printf("done\n") | |
break outer | |
case <-abort: | |
log.Printf("abort\n") | |
break outer | |
} | |
} | |
log.Printf("closing body\n") | |
resp.Body.Close() | |
log.Printf("closing input\n") | |
file.Close() | |
} |
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