test:
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echo $(shell pwd)
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echo $(shell false)
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echo $(shell /bin/echo -e "\na \n b \n " )
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echo $(shell /bin/echo -e "\na \n b \n " )X
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echo X$(shell /bin/echo -e "\n\n" )Y
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echo X$(shell /bin/echo -e "a\n\n" )Y
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echo X$(shell /bin/echo -e "\n\nb" )Y
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echo X$(shell /bin/echo -e "\n\nb" )Y
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echo X$(shell /bin/echo -e "\n\n\nb" )Y
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echo X$(shell /bin/echo -e " b" )Y
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echo X$(shell /bin/echo -e "b " )Y
|
