à tester
#bashtips #bashrc

function setproxy() {
    export {http,https,ftp}_proxy='<http://greatfirewall.bullshit.tld>:<PORT>;'
}

function unsetproxy() {
    unset {http,https,ftp}_proxy
}

function httpretcode {
curl -sIL $1 | grep HTTP | tail -n1 | cut -d " " -f 2
}
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