1 test: 2 echo $(shell pwd) 3 echo $(shell false) 4 echo $(shell /bin/echo -e "\na \n b \n " ) 5 echo $(shell /bin/echo -e "\na \n b \n " )X 6 echo X$(shell /bin/echo -e "\n\n" )Y 7 echo X$(shell /bin/echo -e "a\n\n" )Y 8 echo X$(shell /bin/echo -e "\n\nb" )Y 9 echo X$(shell /bin/echo -e "\n\nb" )Y 10 echo X$(shell /bin/echo -e "\n\n\nb" )Y 11 echo X$(shell /bin/echo -e " b" )Y 12 echo X$(shell /bin/echo -e "b " )Y 13
