[OS X TeX] i386 versus powerpc?

[Gary L. Gray]

I am running TeX on a MacBook Pro. When I go in the terminal and say:

loon:~ gray$ pdflatex filename.tex

how do I know that it is executing the proper binaries in i386-apple- 
darwin-current versus binaries in powerpc-apple-darwin-current? This  
has come up, because we have some AppleScripts that call various TeX- 
related binaries and right now we are just using pdfcrop or pdflatex  
and not specifying the entire path. I want to make sure I am using  
native binaries. Do I need to specify the entire path or is there  
some variable set somewhere that is telling the machine to always use  
the i386 binaries?*

Thank you,

-- Gary

* This is taken care of TeXShop in the Engine tab by specifying the  
entire path to the binary.
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