> On Mar 23, 2016, at 10:23, Lennart Sorensen <[email protected]>
> wrote:
>
> On Tue, Mar 22, 2016 at 08:07:12PM -0400, Peter Renzland wrote:
>> Wget can be used to measure download data rate.
>> For example,
>> wget --output-document=/dev/null
>> http://speedtest.wdc01.softlayer.com/downloads/test500.zip
>>
>> Then observe the progress meter and kill the process.
>>
>> IMHO, wget thinks a MB is 2^20 (== 1MiB), instead of 10^6. This results in
>> a 5% error.
>> (Softlayer seems to have made the same error.)
>
> It used to juse say K/s or M/s and they didn't want to change it to KB
> and MB to avoid wasting characters on the line for the progress bar.
> I guess someone eventually did change it, but did not want to change it
> to KiB and MiB.
>
> If you use --report-speed=bits you get Mb/s and Kb/s and I think those
> are actually "correct".
>
> Pretty sure wget predates the existance of KiB and MiB anyhow and changing
> the meaning later could "break" things. Probably wouldn't though.
I've confirmed that --report-speed=bits gives the correct rate.
Also, Curl, with -w '%{speed_download}' gives the correct rate.
-- Peter [email protected]
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