1    #! /usr/bin/env python
   2    #                                    Time-stamp: <2001-10-04 10:06:58 cymbala>
   3    #
   4    # What's in a line?
   5    # -----------------------------------------------------------------------------
   6    # This counts numbers of linefeeds (LF) and carriage returns (CR) per file.
   7    #      c  nt             l   f              c r
   8    #      cnt_lfcr.py
   9    #
  10    # Example usage:
  11    #  python ~/bin/cnt_lfcr.py `find archive/lenin/works/ -name '*.htm' | egrep '1895/misc'`
  12    #
  13    # Example output:
  14    #  archive/lenin/works/1895/misc/holy-fam/holy-fam.htm 1494 0
  15    #  archive/lenin/works/1895/misc/holy-fam/holy-s2.htm 683 683
  16    #  archive/lenin/works/1895/misc/engel-bio.htm 0 374
  17    #
  18    # -----------------------------------------------------------------------------
  19    
  20    import sys
  21    for file in sys.argv[1:]:
  22        counts = {}
  23        counts['control_j'] = 0    # linefeeds (LF)
  24        counts['control_m'] = 0    # carriage returns (CR)
  25        f = open(file)
  26        while 't':
  27            character = f.read(1)
  28            if character == '':
  29                break
  30            else:
  31                if character == '\n':
  32                    counts['control_j'] = counts['control_j'] + 1
  33                    pass
  34                elif character == '\r':
  35                    counts['control_m'] = counts['control_m'] + 1
  36                    pass
  37                pass
  38            pass
  39        f.close()
  40        print file, counts['control_j'], counts['control_m']    
  41        pass
  42    ###
  43    #