/*
 * [Enumerate.java]
 *
 * Summary: Sequentially numbers a column.
 *
 * Copyright: (c) 2009-2017 Roedy Green, Canadian Mind Products, http://mindprod.com
 *
 * Licence: This software may be copied and used freely for any purpose but military.
 *          http://mindprod.com/contact/nonmil.html
 *
 * Requires: JDK 1.8+
 *
 * Created with: JetBrains IntelliJ IDEA IDE http://www.jetbrains.com/idea/
 *
 * Version History:
 *  1.0 2009-01-01
 */
package com.mindprod.reorg;

import java.io.IOException;

/**
 * Sequentially numbers a column.
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.0 2009-01-01
 * @since 2009
 */
public final class Enumerate extends Common
    {
    private static final int FIRST_COPYRIGHT_YEAR = 2009;

    /**
     * non-displaying copyright
     */
    @SuppressWarnings( { "UnusedDeclaration" } )
    private static final String EMBEDDED_COPYRIGHT =
            "Copyright: (c) 2009-2017 Roedy Green, Canadian Mind Products, http://mindprod.com";
    // end getMatrix

    /**
     * main
     *
     * @param args arg[0] ignored
     *
     * @throws java.io.IOException if any problem reading or writing the html
     */
    public static void main( String[] args ) throws IOException
        {
        /**
         * Which 0-based column we are enumerating
         */
        final int colToSequence;
        if ( args.length == 0 )
            {
            colToSequence = 0;
            }
        else
            {
            colToSequence = Integer.parseInt( args[ 0 ] );
            }
        // get entire table into a string.
        final String[][] matrix = getMatrix( IN_FILENAME );
        final int rows = rows( matrix );
        final int cols = cols( matrix );
        displayRowAndColCounts( "input", rows, cols );
        trimMatrix( matrix );
        int sequence = 1;
        for ( int row = 0; row < matrix.length; row++ )
            {
            matrix[ row ][ colToSequence ] = Integer.toString( sequence++ ) + ".";
            }
        writeMatrix( matrix, OUT_FILENAME );
        } // end main
    }