old_contents: #!/usr/bin/python
  #
  # This script reads C++ source files and writes all
  # multi-line strings into individual files.
  # This can be used to extract the Solidity test cases
  # into files for e.g. fuzz testing.
  
  import sys
  lines = sys.stdin.read().split('\n')
  inside = False
  tests = []
  for l in lines:
    if inside:
      if l.strip().endswith(')";'):
        inside = False
      else:
        tests[-1] += l + '\n'
    else:
      if l.strip().endswith('R"('):
        inside = True
        tests += ['']
  for i in range(len(tests)):
    open('test%d.sol' % i, 'w').write(tests[i])
  
new_contents: #!/usr/bin/python
  #
  # This script reads C++ source files and writes all
  # multi-line strings into individual files.
  # This can be used to extract the Solidity test cases
  # into files for e.g. fuzz testing as
  # scripts/isolateTests.py tests/libsolidity/SolidityEndToEndTest.cpp
  
  import sys
  lines = sys.stdin.read().split('\n')
  inside = False
  tests = []
  for l in lines:
    if inside:
      if l.strip().endswith(')";'):
        inside = False
      else:
        tests[-1] += l + '\n'
    else:
      if l.strip().endswith('R"('):
        inside = True
        tests += ['']
  for i in range(len(tests)):
    open('test%d.sol' % i, 'w').write(tests[i])
  
subject: Extend comment.