You specify window placements as table row,column positions and windows can also span multiple rows or columns. Plots two variable data in a window with an optional legend and annotations. Plots two-variable data as rectangular bars in a window. Like Tcl's exec command, bgexec runs a pipeline of Unix commands in the background. Unlike exec , the output of the last process is collected and a global Tcl variable is set upon its completion.
Intermediate output is also available while the pipeline is active.
Other options query loaded X bitmap's dimensions and data. A simple hypertext widget. Combines text and Tk widgets into a single scroll-able window. Tcl commands can be embedded into text, which are invoked as the text is parsed. In addition, Tk widgets can be appended to the window at the current point in the text.