CURL one-line proxy checker (shows connection speed, ip, and geo of proxy)

pcheck.sh

#!/bin/bash

# download, do chmod +x and copy to /usr/bin/local via ln -s /downloaded-dir/pcheck.sh /usr/local/bin/pcheck
# then launch as: pcheck http://user:pw@proxy-addr:port (to view ip and geo via lumtest.com website) 
# or pcheck http://user:pw@proxy-addr:port https://www.google.com/ (to download specific website)

curl -w @- -sS -H "user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36"  --proxy  "$1" ${2:-"https://lumtest.com/myip.json"} <<'EOF'
\n
    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
EOF

pcheck is a simple bash script which saves you a lot of typing if you work with proxies. it helps to quickly check if particular proxy is alive and working fine, and shows proxy geo, as well. Examples:

Check if proxy is alive and view its geo:

pcheck http://user:pw@proxy-addr:port

Download file/arbitrary website page for a better speed testing:

pcheck http://user:pw@proxy-addr:port https://example.com/download.zip

more info: https://pixeljets.com/blog/simple-proxy-checker-in-curl-bash/