FileChange1.java

C:\ece538>java FileChange1 GFG.java test1.html

produces test1.html

`FileChange1.java`

import java.io.*;

class FileChange1 {

    public static void main( String[] args )
    {
        int ch = 0;                              
  
        if ( args.length != 2 ) {
            System.err.println( "usage: java FileChange1 source dest" );
            System.exit( 0 );
        }
	byte [] equals = "EQUALS".getBytes();
        try (
            FileInputStream in = new FileInputStream( args[0] );
            FileOutputStream out = new FileOutputStream( args[1] );
	)
	{ 
	    out.write(String.format("<html>%n").getBytes());
	    out.write(String.format("<pre>%n").getBytes());
                                     
            while ( true ) {                       
                ch = in.read();
                if (ch == -1) break;
                else if (ch == '=') out.write(equals);              
                else out.write(ch);
            }
	    out.write(String.format("</pre>%n").getBytes());
	    out.write(String.format("</html>%n").getBytes());
            out.close();
            in.close();
        } catch (IOException e) {                
          System.err.println( "IO error "+e );    
        }  
    }
}

Maintained by John Loomis, updated Tue Feb 04 20:45:37 2020