[syslinux] macros in configuration files

[H. Peter Anvin]

Geert Stappers wrote:
> 
> Ah, now I understand "macro", it is a "variable".
> 
> Unix shell uses an imho inconsequent syntax
> 
>    FILENAME=hosts
>    DIRECTORY=/etc/
>    FULLPATH=${DIRECTORY}${FILENAME}
> 
> I hope that syslinux get a consequent syntax like
>    ${FILENAME}=hosts
>    ${DIRECTORY}=/etc/
>    ${FULLPATH}=${DIRECTORY}${FILENAME}
> where allways the ${...} is used.
> 

Actually, there is a good reason for doing it the first way.  It let you 
do macro expansion on the left hand side, too.

	-hpa