How can I send arrow key presses to a process using Expect.pm

StackOverflow https://stackoverflow.com/questions/1584463

  •  21-09-2019
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Question

Seems like this should be obvious, but how do I send arrow key presses to a process using Expect.pm? Does it depend on the terminal type I am using (vt100) or do I send keyboard scancodes?

TIA.

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Solution

It does indeed depend on your current TERM environment variable. Once that's set correctly (say VT220 or linux), then arrow keys are

up:    "\c[[A"
down:  "\c[[B"
left:  "\c[[D"
right: "\c[[C"
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