Got it:
package main
import(
"fmt"
"time"
)
func main() {
fmt.Printf("Hello")
time.Sleep(time.Second)
time.Sleep(time.Second)
fmt.Printf("\r")
fmt.Printf("World\n")
}
在2022年4月1日星期五 UTC+8 15:34:08<Henry> 写道：
> You can use the ansi escape code if the target terminal supports it.
> Alternatively, you can use the carriage return '\r' and reprint the line.
> Note you may need to overwrite with empty space to delete the line before
> rewriting it.
>
> On Friday, April 1, 2022 at 12:38:37 PM UTC+7 yan.z...@gmail.com wrote:
>
>> I just noticed how python pip upgraded from printing numerous process
>> bars like this:
>> ■■■ 30% completed
>> ■■■■ 40% completed
>> ■■■■■■ 60% completed
>> ■■■■■■■■ 80% completed
>> ■■■■■■■■■■ 100% completed
>>
>> to a single line of a growing bar and changing declaration.
>>
>> It is definitely a functionality that prompts of both Linux and Windows
>> allows -
>> To change the previous print line.
>> Is it possible to realize this in golang?
>>
>> Zhaoxun
>>
>
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