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Re: Improvement for bmake: boolean values

> The right way to do this (or at least, the way consistent with the
> material already in make) is to add support for $1..$n and an argument
> list syntax for variable expansions.

> That is, something like ${VAR:> arg1, arg2, arg3} binds $1=arg1,
> $2=arg2, $3=arg3 and then expands VAR.

> Then you'd get something like this:

> ISTRUE=($1 ==i "yes") || ($1 == "1") || \
>        (($1 !=i "no") && ($1 != "0") && ${.ERROR:> "Invalid truth value"})

> .if ${ISTRUE:> ${FOO}}

To me this sounds like a very good proposal.

How about prividing arithmetic operations and recursion?
This is to be Turing complete :-)

# concatenate string $1 $2 times

# factorial

${2:xxxx} expands operand.
:op_decr, :op_incr, :op_mult - variable substitutions.

Best regards, Aleksey Cheusov.

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