You're using a string operator on a number in your if statement. Try changing 
if($response ne ''){
  ...
}else{
  ...
}

[download]

to 

if($response > 0){
  ...
}else{
  ...
}

[download]

In reply to Re^5: Waiting for input, without sleep by jrsimmon
in thread Waiting for input, without sleep by Trihedralguy

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