Method main

src/bsh/Interpreter.java:354–418

Run the text only interpreter on the command line or specify a file.

( String [] args )

		Run the text only interpreter on the command line or specify a file.
	*/
	public static void main( String [] args ) 
	{
		if ( args.length > 0 ) {
			String filename = args[0];

			String [] bshArgs;
			if ( args.length > 1 ) {
				bshArgs = new String [ args.length -1 ];
				System.arraycopy( args, 1, bshArgs, 0, args.length-1 );
			} else
				bshArgs = new String [0];

			Interpreter interpreter = new Interpreter();
			//System.out.println("run i = "+interpreter);
			interpreter.setu( "bsh.args", bshArgs );
			try {
				Object result = 
					interpreter.source( filename, interpreter.globalNameSpace );
				if ( result instanceof Class )
					try {
						invokeMain( (Class)result, bshArgs );
					} catch ( Exception e ) 
					{
						Object o = e;
						if ( e instanceof InvocationTargetException )
							o = ((InvocationTargetException)e)
								.getTargetException();
						System.err.println(
							"Class: "+result+" main method threw exception:"+o);
					}
			} catch ( FileNotFoundException e ) {
				System.err.println("File not found: "+e);
			} catch ( TargetError e ) {
				System.err.println("Script threw exception: "+e);
				if ( e.inNativeCode() )
					e.printStackTrace( DEBUG, System.err );
			} catch ( EvalError e ) {
				System.err.println("Evaluation Error: "+e);
			} catch ( IOException e ) {
				System.err.println("I/O Error: "+e);
			}
		} else 
		{
			// Workaround for JDK bug 4071281, where system.in.available() 
			// returns too large a value. This bug has been fixed in JDK 1.2.
			InputStream src;
			if ( System.getProperty("os.name").startsWith("Windows") 
				&& System.getProperty("java.version").startsWith("1.1."))
			{
				src = new FilterInputStream(System.in) {
					public int available() throws IOException {
						return 0;
					}
				};
			}
			else
				src = System.in;