Make me a sandwich(chrismorgan.info)

    [A-Z] := A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
    [a-z] := a b c d e f g h i j k l m n o p q r s t u v w x y z

    tr = $(if $1$2,$(call tr,$(wordlist 2,$(words $1),$1),$(wordlist 2,\
    $(words $2),$2),$(subst $(firstword $1),$(firstword $2),$3)),$3)
    toupper = $(call tr,$([a-z]),$([A-Z]),$1)

    COMMAND := me a sandwich
    ifeq ($(MAKECMDGOALS),$(COMMAND))
    fixcase = $1
    endif
    ifeq ($(MAKECMDGOALS),$(call toupper,$(COMMAND)))
    fixcase = $(call toupper,$1)
    endif

    ifdef fixcase
    .PHONY: $(MAKECMDGOALS)
    UID := $(subst 0,,$(shell id -u))
    $(wordlist 1,2,$(MAKECMDGOALS)): ; @true
    $(lastword $(MAKECMDGOALS)): ; @echo "$(call fixcase,$(if $(UID),\
    What? Make it yourself,Okay))."
    endif