Pytohn implementing the WC command in the Linux shell

#!/usr/bin/pythonimport sysimport osfrom optparse import optionparser  def  opt ():     parser = optionparser ()     parser.add_option ("-C",  "--char",                       dest= "Chars",                       action= "Store_true",                        default=False,                       help= "Only count chars")      parser.add_option ("-W",  "--work",                        dest= "Words",                       action= "Store_true",                        default=False,                       help= "Only count words")      Parser.add_option ("-L",  "--line",                       dest= "Lines",                       action= "Store_ True ",                       default=false,                       help= "Only count lines")      Parser.add_option ("-N",  "--no-total",                       dest= "Total",                       action= " Store_true ",                       default=False,                       help= "Only count total")     options, args = parser.parse_args ()     return  options, args  def get_count (data):     chars = len (data)      Words = len (Data.split ())     lines = data.count (' \ n ')      RETURN LINES, WORDS, CHARS  DEF PRINT_WC (options, lines,  WORDS, CHARS, FN):    if options.lines:        print lines,    if options.words:        print words,    if options.chars:        print chars,    print fn  def main ():     options, args = opt ()     if not  (options.lines or  options.words or options.chars):         options.lines,  options.words, options.chars = True, True, True    if args:         file = 0        total_lines, total_ words, total_chars = 0, 0, 0        for  fn in args:            if  Os.path.isfile (FN):                 with open (FN)  as fd:                      data = fd.read ()                  lines, words, chars =  get_count (data)                  PRINT_WC (options, lINES, WORDS, CHARS, FN)                  total_lines += lines                 total_words += words                 total_chars += chars                 file += 1             elif os.path.isdir (FN):                 print >>  sys.stderr,  "%s: is a directory"  % fn             else:                 sys.stdeRr.write ("%s: no such file or direcotry\n"  % FN)          if file > 1 and  not options.total:                PRINT_WC (Options, total_ lines, total_words, total_chars,  "Total")     else:         data = sys.stdin.read ()         FN  =  '             lines, words,  chars = get_count (data)         PRINT_WC (options,  LINES, WORDS, CHARS, FN)   if __name__ ==  ' __main__ ':     main ()

[[email protected] ~]# python wc100.py-wcl 1.txt data.sql nginx.sh//Specific usage-W statistic words-c count Word-l count rows-N Cancel President Metering

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[Email protected] ~]# WC-WCL 1.txt data.sql nginx.sh

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Pytohn implementing the WC command in the Linux shell