On Tue, Jul 17, 2012 at 02:49:10PM -0400, Simon Brereton wrote: > Hi > > A quick question.. > > Does Postfix do the variable substitutions after reading the entire file? > > If I set b=thing1, a=$b, then b=thing2, does the "a" setting become > thing1 or thing2??
Lazy evaluation. Thus "thing2". There are some additional complications
since some variables acquire their default values after others are fully
expanded. Typically this is not an issue.
--
Viktor.
