code.delx.au - monosys/blob - scripts/count.py

   1 #!/usr/bin/env python
   2 # Print a line count. Given an input file like this:
   3 # apple
   4 # apple
   5 # banana
   6 # carrot
   7 # apple
   8 #
   9 # Your output will be
  10 # apple 2
  11 # banana 1
  12 # carrot 1
  13 # apple 1
  14
  15 import sys
  16
  17 last = ""
  18 count = 0
  19 for line in sys.stdin:
  20         line = line.strip()
  21         if line == last:
  22                 count += 1
  23         else:
  24                 if last:
  25                         print last, count
  26                 last = line
  27                 count = 1
  28
  29 print last, count
  30