15 lines
		
	
	
	
		
			169 B
		
	
	
	
		
			Text
		
	
	
	
	
	
		
		
			
		
	
	
			15 lines
		
	
	
	
		
			169 B
		
	
	
	
		
			Text
		
	
	
	
	
	
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								unset v
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								exec {v}</dev/null
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								if (( v >= 10 )); then echo ok 1; else echo bad 1; fi
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								exec {v}<&-
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								ulimit -n 6
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								exec </dev/null
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								unset v
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								exec {v}</dev/null
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								echo ${v-unset}
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