$ cat IPC-Run.yml 
---
comment: "Ignore (ADAMK|TODDR)/IPC-Run-0* on netbsd/alpha, cos it breaks"
match:
  distribution: "(ADAMK|TODDR)/IPC-Run-0"
  perlconfig:
    archname: "alpha-netbsd"
disabled: 1

$ cat IPC-Run.yml.dd 
$VAR1 = {
  'disabled' => '1',
  'comment' => 'Ignore (ADAMK|TODDR)/IPC-Run-0* on netbsd/alpha, cos it breaks',
  'match' ...

##</code><code>##

#!/bin/sh

for i in *yml; do
    if [[ ! -s $i.dd || $i -nt $i.dd ]]; then
      echo Rebuilding $i
      perl -MYAML=LoadFile -MData::Dumper -e "print Dumper(LoadFile('$i'))">$i.dd
    fi
done