Could you just redefine Carp::shortmess and Carp::longmess? If not, you can walk the symbol table starting with something like this: 
for (grep /(?<!main)::/, keys %::) {
    # do stuff...
}

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In reply to Re^3: Exported subroutine redefine by educated_foo
in thread Exported subroutine redefine by ribasushi

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