All good points. I tried using the send_slow capability of expect to add a 1 sec delay between each character - didnt make a difference. Within my script the syntax does conform to the same as in the doc. With debug(3) discovered the following :- 

Sending '\020\004\024' to spawn id(4)
Expect::print('Expect=GLOB(0xd67aac)','\x{10}\x{4}\x{14}') called at S
+DU/CommandIteratorSDU.pm line 1076

[download]
In the unix nutshell book i have:- 

character  octal hex
ctrl p     020   10
ctrl d     004   04
ctrl t     024   14

[download]
So its sending the sequences as hex and the conversion looks good. Time to sniff the packets

In reply to Re^2: Expect.pm CTRL Characters not being recognised by remote device by set_uk
in thread Expect.pm CTRL Characters not being recognised by remote device by set_uk

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