shellfu-bash-saturnin/utils/unbt.sh

#!/bin/bash

for bt in backtrace*;
do
    btn=${bt#backtrace}
    cat $bt \
        | grep "^#" \
        | perl -pe 's/(#[0-9]+ +)0x0[0-9a-f]+/$1 0x????/' \
        | sort \
        > fns$btn
done