How to download and try this example
Usage: pl -gif timeline3.htm
#proc getdata data: NBC 8:00 9:00 "Wind\non Water" NBC 9:00 9:30 "Encore!\nEncore!" NBC 9:30 10:00 "Conrad\nBloom" NBC 10:00 11:00 "Trinity" ABC 8:00 8:30 "Secret\nLives" ABC 8:30 9:00 "Sports\nNight" ABC 9:00 11:00 "Movie of the Week" CBS 8:00 8:30 "Cosby" CBS 8:30 9:00 "Kids say..." CBS 9:00 10:00 "Charmed" CBS 10:00 11:00 "To have\nand to Hold" #proc areadef title: Evening television schedule rectangle: 1 1 5 2 xscaletype: time xrange: 08:00 11:00 yscaletype: categories ycategories: NBC ABC CBS #proc xaxis stubs: inc 1 hours #proc yaxis stubs: categories #proc bars color: powderblue2 axis: x locfield: 1 segmentfields: 2 3 labelfield: 4 longwayslabel: yes labeldetails: size=6