43 lines
		
	
	
	
		
			955 B
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
	
		
			955 B
		
	
	
	
		
			Text
		
	
	
	
	
	
| # exporting namerefs and putting namerefs in temp env post bash-4.3
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| 
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| typeset -nx ref=var;
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| typeset -p ref
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| 
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| var=foo; str=''
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| printenv ref                 # var
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| ref+=$str    printenv ref    # var
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| ref+="$str"  printenv ref    # var
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| ref=$ref$str printenv ref    # var
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| 
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| export ref		# follows nameref and exports var
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| 
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| printenv var                 # foo
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| ref+=$str    printenv var    # foo
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| ref+="$str"  printenv var    # foo
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| ref=$ref$str printenv var    # foo
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| 
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| # none of these should change ref; should follow the nameref and export var
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| unset var; unset -n ref; typeset -n ref=var
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| 
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| echo before
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| typeset -p ref var
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| 
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| echo first
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| ref=xxx typeset -p ref var
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| 
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| echo invalid
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| var= ref=5 typeset -p ref var
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| 
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| echo after
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| typeset -p ref var
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| 
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| # ref isn't exported, so none of the printenvs should print anything
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| unset var ; unset -n ref
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| typeset -n ref=var;
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| typeset -p ref
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| 
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| var=foo; str=''
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| printenv ref
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| ref+=$str    printenv ref
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| ref+="$str"  printenv ref
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| ref=$ref$str printenv ref
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