old_contents: #!/usr/bin/python
  """
  Script to download Palomar Transient Factory light curves for a list of targets
  for visualization with PTFViewer: https://github.com/keatonb/PTFViewer
  
  input csv file should have format:
  targetname,rad,decd
  where rad and decd are the RA and Dec in decimal degrees.
  
  WARNING: Downloads data for nearest PTF source to given coordinates, not 
  necessarily for the target you want.
  
  Learn more at https://github.com/keatonb/PTFViewer
  
  @author: keatonb
  """
  from __future__ import print_function
  import sys
  import os
  import csv
  from astropy.coordinates import SkyCoord
  from PTFViewer import download_ptf
  
  nargs = len(sys.argv)
  
  if nargs < 2:
      print('usage: python multidownload input_file.csv [/data/directory]')
      sys.exit()
      
  datadir = os.getcwd()+'/data/'
  if len(sys.argv) > 2:
      datadir = sys.argv[2]
  if datadir[-1] != '/':
      datadir += '/'
  if not os.path.exists(datadir):
      datadir = os.getcwd()+'/data/'
      print(('Created data directory at '+datadir))
      if not os.path.exists(datadir):
          os.makedirs(datadir)
  print(('Saving data to '+datadir))
          
  csvname = sys.argv[1]
  with open(csvname) as csvfile:
      myCSVReader = csv.DictReader(csvfile, fieldnames=['name','ra','dec'],delimiter=",", quotechar='"')
      for row in myCSVReader:
          coords = SkyCoord(float(row['ra']),float(row['dec']),frame='icrs', unit='deg')
          try:
              download_ptf(coords,name=row['name'],directory=datadir)
              print("Data saved to "+datadir+row['name']+'.xml')
          except:
              print("No data found at: "+coords.to_string())
          
  
new_contents: #!/usr/bin/python
  """
  Script to download Palomar Transient Factory light curves for a list of targets
  for visualization with PTFViewer: https://github.com/keatonb/PTFViewer
  
  input csv file should have format:
  targetname,rad,decd
  where rad and decd are the RA and Dec in decimal degrees.
  
  WARNING: Downloads data for nearest PTF source to given coordinates, not 
  necessarily for the target you want.
  
  Learn more at https://github.com/keatonb/PTFViewer/
  
  @author: keatonb
  """
  from __future__ import print_function
  import sys
  import os
  import csv
  from astropy.coordinates import SkyCoord
  from PTFViewer import download_ptf
  
  nargs = len(sys.argv)
  
  if nargs < 2:
      print('usage: python multidownload.py input_file.csv [/data/directory]')
      sys.exit()
      
  datadir = os.getcwd()+'/data/'
  if len(sys.argv) > 2:
      datadir = sys.argv[2]
  if datadir[-1] != '/':
      datadir += '/'
  if not os.path.exists(datadir):
      datadir = os.getcwd()+'/data/'
      print(('Created data directory at '+datadir))
      if not os.path.exists(datadir):
          os.makedirs(datadir)
  print(('Saving data to '+datadir))
          
  csvname = sys.argv[1]
  with open(csvname) as csvfile:
      myCSVReader = csv.DictReader(csvfile, fieldnames=['name','ra','dec'],delimiter=",", quotechar='"')
      for row in myCSVReader:
          coords = SkyCoord(float(row['ra']),float(row['dec']),frame='icrs', unit='deg')
          try:
              download_ptf(coords,name=row['name'],directory=datadir)
              print("Data saved to "+datadir+row['name']+'.xml')
          except:
              print("No data found at: "+coords.to_string())
          
  
subject: improve multidownload header