Tools

• How do you decide what's worth writing?

• One way is to notice when you type the same command line repeatedly

• Then ask yourself "Could this be a tool?"

• For example, remote:

        #!/usr/bin/perl

        my $host = shift or die "Usgae: $0 hostname\n";
        fork && exit;
        exec "rxvt", "-e", "ssh", "-P", $host;

• To open a window with a connection to red.seas.upenn.edu, I use:

        remote red.seas.upenn.edu

• By the way, I didn't clean up any of the code for this class

• You see it all exactly as I wrote it

• I don't want to pretend to be different from how I really am

• That's why it says Usgae

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Copyright © 2005 M. J. Dominus