3 lines
		
	
	
	
		
			84 B
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			3 lines
		
	
	
	
		
			84 B
		
	
	
	
		
			Text
		
	
	
	
	
	
set -e
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trap 'echo $?' EXIT
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echo ${$NO_SUCH_VAR}    # Bad substitution expected here
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