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Executing shell programs

The simplest way to execute a UNIX shell program is to give it ``execute permission.'' For example, to make our above Plot shell program executable:
chmod +x Plot
Then to execute the shell program:
Plot 601 610
Here we assume that the parameters cdpmin=601, cdpmax=610 are appropriate values for the cmgs data set. Figure 8.1 shows an output generated by the Plot shell program.

Figure: Output of the Plot shell program.
\begin{figure}\epsfysize 280pt

John Stockwell 2007-04-10