Weather

gistfile1.txt

# Load Weather
function weather() {
    local cache_file='/tmp/weather.txt'
    local cache=3600
    local update='false'
    local modify=''
    local now=$(date +%s)
    local diff=''

    if [[ ! -f "${cache_file}" ]]; then
        update='true'
    else
        modify="$(stat -f "%m" "${cache_file}" 2>/dev/null)"
        diff=$((now-modify))
        if [[ ${diff} -ge ${cache} ]]; then
            update='true'
        fi
    fi

    if [[ "${update}" == 'true' ]]; then
        curl http://wttr.in/ > "${cache_file}"
    fi

   cat "${cache_file}"
}