61 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
		
			Executable File
		
	
	
	
	
# do all of these in subshells since it's supposed to error out
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# first try some invalid patterns
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#"$THIS_SH" -c 'echo ${?}' -- this is valid as it's the same as $?
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"$THIS_SH" -c 'echo ${:?}'
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# then some funky ones
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# note: bash prints 1 - treats it as "length of $#"
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"$THIS_SH" -c 'echo ${#?}'
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# bash prints 0
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"$THIS_SH" -c 'echo ${#:?}'
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# now some valid ones
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export msg_unset="unset!"
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export msg_null_or_unset="null or unset!"
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echo ====
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"$THIS_SH" -c 'set --; echo _$1'
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"$THIS_SH" -c 'set --; echo _${1?}'
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"$THIS_SH" -c 'set --; echo _${1:?}'
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"$THIS_SH" -c 'set --; echo _${1?message1}'
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"$THIS_SH" -c 'set --; echo _${1:?message1}'
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"$THIS_SH" -c 'set --; echo _${1?$msg_unset}'
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"$THIS_SH" -c 'set --; echo _${1:?$msg_null_or_unset}'
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echo ====
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"$THIS_SH" -c 'set -- aaaa; echo _$1'
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"$THIS_SH" -c 'set -- aaaa; echo _${1?}'
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"$THIS_SH" -c 'set -- aaaa; echo _${1:?}'
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"$THIS_SH" -c 'set -- aaaa; echo _${1?word}'
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"$THIS_SH" -c 'set -- aaaa; echo _${1:?word}'
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"$THIS_SH" -c 'set -- aaaa; echo _${1?$msg_unset}'
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"$THIS_SH" -c 'set -- aaaa; echo _${1:?$msg_null_or_unset}'
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echo ====
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"$THIS_SH" -c 'unset f; echo _$f'
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"$THIS_SH" -c 'unset f; echo _${f?}'
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"$THIS_SH" -c 'unset f; echo _${f:?}'
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"$THIS_SH" -c 'unset f; echo _${f?message3}'
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"$THIS_SH" -c 'unset f; echo _${f:?message3}'
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"$THIS_SH" -c 'unset f; echo _${f?$msg_unset}'
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"$THIS_SH" -c 'unset f; echo _${f:?$msg_null_or_unset}'
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echo ====
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"$THIS_SH" -c 'f=; echo _$f'
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"$THIS_SH" -c 'f=; echo _${f?}'
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"$THIS_SH" -c 'f=; echo _${f:?}'
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"$THIS_SH" -c 'f=; echo _${f?word}'
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"$THIS_SH" -c 'f=; echo _${f:?message4}'
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"$THIS_SH" -c 'f=; echo _${f?$msg_unset}'
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"$THIS_SH" -c 'f=; echo _${f:?$msg_null_or_unset}'
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echo ====
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"$THIS_SH" -c 'f=fff; echo _$f'
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"$THIS_SH" -c 'f=fff; echo _${f?}'
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"$THIS_SH" -c 'f=fff; echo _${f:?}'
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"$THIS_SH" -c 'f=fff; echo _${f?word}'
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"$THIS_SH" -c 'f=fff; echo _${f:?word}'
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"$THIS_SH" -c 'f=fff; echo _${f?$msg_unset}'
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"$THIS_SH" -c 'f=fff; echo _${f:?$msg_null_or_unset}'
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