include 'pgplotter.g';
t := tablefromascii('sample','sampleData.txt',,T);
t.colnames(); 
x := t.getcol('Column1');
y1 := t.getcol('Column2');
y2 := t.getcol('Column3');
pg := pgplotter();
pg.plotxy1(x,y1,'X','Y1','Title');
pg.plotxy1(x,y2,,'Y2');