Download latest Selenium Standalone Server (shell script)

download-selenium-server.sh

#!/usr/bin/env bash
# Corey Goldberg 2018
#
# download latest release of Selenium Standalone Server
#
# requires:
#   * `curl`
#   * `xpath` utility from the `XML::XPath` Perl module. On Debian,
#      this is provided by the `libxml-xpath-perl` package.

download-selenium-server () {
    local baseurl="https://selenium-release.storage.googleapis.com"
    local latest=$(curl -sS "$baseurl" | xpath -q -e "./ListBucketResult/Contents/Key/text()" |
        grep "selenium-server-standalone" | sort -V | tail -n 1)
    local url="${baseurl}/${latest}"
    local filename=$(basename "$url")
    echo "Downloading: ${filename}"
    curl -O# "$url"
    chmod +x "$filename"
}