The question is will scanner.Scan handle a line of 100s MB?

On Saturday, May 7, 2022 at 2:49:08 PM UTC-7 Amnon wrote:

> How about something like 
>
> func grep(pat []byte, r io.Reader, w io.Writer) error {
>     scanner := bufio.NewScanner(r)
>     for scanner.Scan() {
>         if (bytes.Contains(scanner.Bytes(), pat)) {
>             w.Write(scanner.Bytes())
>         }
>     }
>
>     return scanner.Err()
> }
>
> and for extra speed, just allocate a bigger buffer to the scanner...
> On Saturday, 7 May 2022 at 21:46:33 UTC+1 Jan Mercl wrote:
>
>> On Sat, May 7, 2022 at 10:24 PM Constantine Vassilev <ths...@gmail.com> 
>> wrote:
>>
>> > I need to write a program that reads STDIN and should output every line 
>> that contains a search word "test" to STDOUT.
>>
>> Piping the data through grep(1) would be my first option.
>>
>

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