Yes, this is the murky world of ANSI escape codes.
Fortunately there are a whole load of libraries which do this for you...
Try https://github.com/cheggaaa/pb
or https://github.com/schollz/progressbar
or github.com/vardius/progress-go
On Friday, 1 April 2022 at 13:12:11 UTC+1 yan.z...@gmail.com wrote:
> 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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