.automated_script.sh 775 Bytes
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#!/bin/bash

script_cmdline ()
{
    local param
    for param in $(< /proc/cmdline); do
        case "${param}" in
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            script=*) echo "${param#*=}" ; return 0 ;;
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        esac
    done
}

automated_script ()
{
    local script rt
    script="$(script_cmdline)"
    if [[ -n "${script}" && ! -x /tmp/startup_script ]]; then
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        if [[ "${script}" =~ ^((http|https|ftp)://) ]]; then
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            wget "${script}" --retry-connrefused -q -O /tmp/startup_script >/dev/null
            rt=$?
        else
            cp "${script}" /tmp/startup_script
            rt=$?
        fi
        if [[ ${rt} -eq 0 ]]; then
            chmod +x /tmp/startup_script
            /tmp/startup_script
        fi
    fi
}

if [[ $(tty) == "/dev/tty1" ]]; then
    automated_script
fi