import java.io.*; public class L9 { public static String cat( String fileName ) { FileInputStream fin = new FileInputStream( fileName ); BufferedReader input = new BufferedReader( new InputStreamReader( fin ) ); StringBuffer buffer = new StringBuffer(); String line = null; while ( ( line = input.readLine() ) != null ) { line = line.replaceAll( "\\s+", " " ); buffer.append( line ); } fin.close(); return buffer.toString(); } // End of cat public static void main( String[] args ) { System.out.println( cat( args[ 0 ] ) ); } }