st: mata within a program or a loop

[Shuaizhang Feng <shuaizhang.feng@gmail.com>]

Dear all:

I am using stata11.

I want to include certain mata commands within a program or in a loop.
Because the mata commands starts with "mata:" and ends with "end", I
am having some problems here. stata would stop when it hits the "end"
command of mata. does someone know how to deal with this issue?

for example, i write:

local i=1
do while i<=100{
....
mata:
...
end
.....
}

then the loop will break when it hits the "end" for the mata codes.


similarly, when I write:

program define xxx
....
mata:
...
end
....
end
xxx

stata also has program differentiating the two "end"s, and will stop
after the first "end" for the program.


Thanks in advance for your help.
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