Method expandArgs

src/main/java/com/beust/jcommander/JCommander.java:445–476

Expand the command line parameters to take @ parameters into account. When @ is encountered, the content of the file that follows is inserted in the command line. @param originalArgv the original command line parameters @return the new and enriched command line parameters

(String[] originalArgv)

     * @return the new and enriched command line parameters
     */
    private String[] expandArgs(String[] originalArgv) {
        List<String> vResult1 = Lists.newArrayList();

        //
        // Expand dynamic args
        //
        for (String arg : originalArgv) {
            List<String> expanded = expandDynamicArg(arg);
            vResult1.addAll(expanded);
        }

        // Expand separators
        //
        List<String> vResult2 = Lists.newArrayList();
        vResult1.forEach(arg -> {
            if (isOption(arg)) {
                String sep = getSeparatorFor(arg);
                if (!" ".equals(sep)) {
                    String[] sp = arg.split("[" + sep + "]", 2);
                    for (String ssp : sp) {
                        vResult2.add(ssp);
                    }
                } else {
                    vResult2.add(arg);
                }
            } else {
                vResult2.add(arg);
            }
        });

        return vResult2.toArray(new String[vResult2.size()]);
    }

    private List<String> expandDynamicArg(String arg) {
        for (ParameterDescription pd : descriptions.values()) {