Method split

src/main/java/com/datastax/fallout/util/ShellUtils.java:44–90

(CharSequence string)

    // This is from http://stackoverflow.com/a/20725050/322152.  We're not using org.apache.commons.exec.CommandLine
    // because it fails to parse "run 'echo "foo"'" correctly (v1.3 misses off the final ')
    public static String[] split(CharSequence string)
    {
        List<String> tokens = new ArrayList<>();
        boolean escaping = false;
        char quoteChar = ' ';
        boolean quoting = false;
        StringBuilder current = new StringBuilder();
        for (int i = 0; i < string.length(); i++)
        {
            char c = string.charAt(i);
            if (escaping)
            {
                current.append(c);
                escaping = false;
            }
            else if (c == '\\' && !(quoting && quoteChar == '\''))
            {
                escaping = true;
            }
            else if (quoting && c == quoteChar)
            {
                quoting = false;
            }
            else if (!quoting && (c == '\'' || c == '"'))
            {
                quoting = true;
                quoteChar = c;
            }
            else if (!quoting && Character.isWhitespace(c))
            {
                if (current.length() > 0)
                {
                    tokens.add(current.toString());
                    current = new StringBuilder();
                }
            }
            else
            {
                current.append(c);
            }
        }
        if (current.length() > 0)
        {
            tokens.add(current.toString());
        }
        return tokens.toArray(new String[] {});
    }

    public static String escape(String param)
    {