7. Answers
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3.4 Using Pipes
Exercise 3b
a2ps -Phockney textfile is the command to print a postscript file to the printer hockney.
Using pipes, print all lines of list1 and list2 containing the letter 'p', sort the result, and print to the printer hockney.
Answer
cat list1 list2 | grep p | sort | a2ps -Phockney
M.Stonebank@ee.surrey.ac.uk, © November, 2002