Pipe to gist

gistfile1.sh

function gist {
    # Create token using: https://help.github.com/articles/creating-an-access-token-for-command-line-use
    json=$(python -c "import json; import sys; print json.dumps(sys.stdin.read())")
    resp=$(curl --silent --user "<YOUR USERNAME HERE>:" -H "Authorization: token <YOUR TOKEN HERE>" --request POST --data '{"public": false, "files": { "file.'$1'": { "content": '$json' } } }' https://api.github.com/gists)
    echo $resp | fgrep "html_url" | fgrep "gist" | sed -e 's/.*: "//' -e 's/",//'
}

Takes an optional parameter to specify the file type. For example git diff | gist diff or cat test.py | gist py