On 02/20/2013 10:55 AM, Robert Boehne wrote: > I'm writing a macro that takes a list of comma-separated arguments and > then uses m4_foreach > to loop over each argument in the list: > > m4_foreach([var_name], [$1] > [ > dnl Body > ]) > > In the body I want to do some string manipulation on > the variables value, making it uppercase and replacing - and . with > underscores. > > The problem is that for any macro that translates text, the argument > is interpreted literally - i.e. > >>> m4_toupper(var_name) > gives >>> VAR_NAME > > instead of transforming the value, it transforms the name. > > How can I get the contents of the variable transformed? Use m4_defn. m4_foreach([var_name], [$1], [ m4_toupper(m4_defn([var_name])) ]) -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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