Tuesday, 22 September 2020

Timing cURL

This article ALMOST provides the information needed to add timing output to your cURL query:

Unfortunately, it gets the file format wrong.

Instead, the file should contain the following:

time_namelookup: %{time_namelookup}\n time_connect: %{time_connect}\n time_appconnect: %{time_appconnect}\n time_pretransfer: %{time_pretransfer}\n time_redirect: %{time_redirect}\n time_starttransfer: %{time_starttransfer}\n ———\n time_total: %{time_total}\n
curl -w "@curl-format.txt" -o /dev/null -s http://wordpress.com/

What this does:

  • -w "@curl-format.txt" tells cURL to use our format file
  • -o /dev/null redirects the output of the request to /dev/null
  • -s tells cURL not to show a progress meter
  • http://wordpress.com/ is the URL we are requesting

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