collapse-blanks

#!/usr/bin/env python3
import sys

def main():
  wasblank=True
  for line in sys.stdin:
      if wasblank and len(line.strip()) <= 0:
          continue
      sys.stdout.write(line)
      sys.stdout.flush()

if __name__ == '__main__':
  import scrap_utils
  scrap_utils.pipeline(main)