Tip: Using Autoexpect to Create Interactive Scripts in Linux
Scripting Interactive Tasks
I recently came across expect (the expect package in Debian and Ubuntu): a powerful utility that can script interactive operations.
" If you're not familiar with TCL syntax, you can get autoexpect from Wi-Fizzle.com. This spawns a shell, and then records everything you do in that shell. Hit Ctrl-C when you're done, and then either run the generated expect script as-is, or edit it to tidy it up a bit. In particular, autoexpect records keystrokes one by one, whereas you can put them all in at once. It records the full prompt, where the $ at the end may suffice.
Here's an example of a script generated with autoexpect then tidied-up. It logs into a server...
Read the rest of this Linux scripting tip at ServerWatch.com
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