...by select can be expressed by if-elseif-else. This is the matter of taste...

...Old-fashioned if statement.  The if/else/elseif/endif format is nicer
and is widely...

...possible cases and is similar in semantics to if-elseif-elseif... withouth the final else.

...the whole switch statement merely a if-elseif-then in a disguise.

But it's...

...be used for more things that if/elseif/else has been used for, leading to...

...some case is non-constant) are implemented as an if-elseif-etc-else statement.

-Antti

...if`  (prefer the perl `if <bool><block>[<elseif/else>]`|
<statement> if <bool> )
I always got...

...convert-self-tail-call(component, home, expr);
	elseif (home.literal == func) // this can be removed...

...or else { c = d; }
{ _elseif ( true ) e = f; }
for  _else and _elseif blocks, each must...

...address of the xml file to transform,
elseif.xml in this case. In the selection...