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The background is that I want to find the fastest mirror for CTAN. And I don't want to ping their addresses one by one.

I searched this on google and found netselect.
However, this seems not work on Windows, I tried cygwin, but the compilition failed, even without any error message.

So, is there a simple method to test their speed?

BTW, methods for Linux (expect netselect) is also welcomed.

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If you are happy with pinging the mirrors as a test see below -

while read line ; do ping -c 1 $line; done <mirrors.txt

then review the response times for each site.

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