Bash function to use the goo.gl URL shortener on stdin.
See https://developers.google.com/url-shortener/v1/getting_started
TODO: pbcopy it too if that command is available
# echo URL | googl
function googl {
local url=$(cat <&0)
(
set -e pipefail;
echo "{}" \
| json -e "this.longUrl='$url'" \
| curl -sf https://www.googleapis.com/urlshortener/v1/url \
-H 'Content-Type: application/json' -d@- \
| json id
)
}