6 lines
		
	
	
		
			78 B
		
	
	
	
		
			Plaintext
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			6 lines
		
	
	
		
			78 B
		
	
	
	
		
			Plaintext
		
	
	
		
			Executable File
		
	
	
	
	
# checks for [[ ]]
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# && and ||
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[[ a && "" ]]; echo $?
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[[ a || "" ]]; echo $?
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