text: #!/usr/bin/env python
  from __future__ import print_function
  from collections import OrderedDict
  import re
  
  # TODO nf-core: Add additional regexes for new tools in process get_software_versions
  regexes = {
      "nf-core/proportionality": ["v_pipeline.txt", r"(\S+)"],
      "Nextflow": ["v_nextflow.txt", r"(\S+)"],
      "FastQC": ["v_fastqc.txt", r"FastQC v(\S+)"],
      "MultiQC": ["v_multiqc.txt", r"multiqc, version (\S+)"],
  }
  results = OrderedDict()
  results["nf-core/proportionality"] = '<span style="color:#999999;">N/A</span>'
  results["Nextflow"] = '<span style="color:#999999;">N/A</span>'
  results["FastQC"] = '<span style="color:#999999;">N/A</span>'
  results["MultiQC"] = '<span style="color:#999999;">N/A</span>'
  
  # Search each file using its regex
  for k, v in regexes.items():
      try:
          with open(v[0]) as x:
              versions = x.read()
              match = re.search(v[1], versions)
              if match:
                  results[k] = "v{}".format(match.group(1))
      except IOError:
          results[k] = False
  
  # Remove software set to false in results
  for k in list(results):
      if not results[k]:
          del results[k]
  
  # Dump to YAML
  print(
      """
  id: 'software_versions'
  section_name: 'nf-core/proportionality Software Versions'
  section_href: 'https://github.com/nf-core/proportionality'
  plot_type: 'html'
  description: 'are collected at run time from the software output.'
  data: |
      <dl class="dl-horizontal">
  """
  )
  for k, v in results.items():
      print("        <dt>{}</dt><dd><samp>{}</samp></dd>".format(k, v))
  print("    </dl>")
  
  # Write out regexes as csv file:
  with open("software_versions.csv", "w") as f:
      for k, v in results.items():
          f.write("{}\t{}\n".format(k, v))
  