text: import CGAT.Fastq as Fastq
  import sys, re, os
  import CGAT.IOTools as IOTools
  
  fastqfile = sys.argv[1]
  number = sys.argv[2]
  
  for fastq in Fastq.iterate(IOTools.openFile(fastqfile)):
      new_id = fastq.identifier + "/%s" % str(number)
      sys.stdout.write("@%s\n%s\n+\n%s\n" % (new_id, fastq.seq, fastq.quals))
  
  
  