
This PLOT command made the simple bar chart above (click the chart for a complete script):
PLOT
AXISLABELS, LIGHT GRAY BARS, LIGHT RED BARS
WITH
TITLE "Main Title"
TITLE X "X Axis"
NO SIDES
TITLE Y "Y Axis"
GRIDLINES HORIZONTAL
LEGEND BOTTOM
SELECT
lbl, Series1, Series2
FROM foof;
Use OUTLINES to add bar outlines:

Use BARWIDTH (0.0-1.0) to control the bar widths (these are “BARWIDTH .5″):
Use BARSEPARATION (number of pixels) to control the space between bars in individual clusters (these are “BARSEPARATION 10″):

And use BAROVERLAP (0 or 1) to determine whether bars overlap or not (these are “BAROVERLAP 1″):
