Python anyone?

[Joseph T. Tannenbaum]

nope, that is in the original snippet.??!!

> -----Original Message-----
> From: plug-discuss-admin@lists.PLUG.phoenix.az.us
> [mailto:plug-discuss-admin@lists.PLUG.phoenix.az.us]On Behalf Of Michael
> Dearman
> Sent: Thursday, June 08, 2000 12:14 PM
> To: plug-discuss@lists.PLUG.phoenix.az.us
> Subject: Re: Python anyone?
>
>
> "Joseph T. Tannenbaum" wrote:
> >
> > Hello,
> >
> > I am going through Mastering Regular Expressions by Jeffrey
> Friedl (O'Reilly
> > book)
> > and I got to a snippet of using a regular expression in python.
>  I am using
> > python
> > 1.5.2 for win98, and this prog doen't work correctly. (it is supposed to
> > point out
> > double words in a text file ei "the the world."  The main part
> I am in doubt
> > about
> > is setting up 'data' prior to printing.  Is this format
> correct?  It is on
> > pg 57 of
> > the book, and the reg3 line is correct by the errata.
> >
> > Thanks
> > Joe
> >
> > Here is the snippet:
> >
> > import sys; import regex; import regsub
> >
> > ### Prepare the three regeses w'll use
> > reg1 = regex.compile(
> >                         '\\b\([a-z]+\)\(\([\n\r\t\f\v
> ]\|<[^>]+>\)+\)\(\\1\\b\)',
> >                         regex.casefold)
> > reg2 = regex.compile('^\([^033]*\n\)+')
>                             ^\033
> This my be just a post typo, but...
>
> > reg3 = regex.compile('^\(.\)')
> >
> > for filename in sys.argv[1:]:                           # for
> each file...
> >         try:
> >                 file = open(filename)
> # try opening file
> >         except IOError, info:
> >                 print '%s: %s' % (filename, info[1])    #
> report error if couldn't
> >                 continue
>                                                 # and also abort
> this iteration.
> >
> >         data = file.read()
>                         # Slurp the whole file to 'data', apply regexes
> > and print
> >         data = regsub.gsub(reg1,
> '\033[7m\\1\033[m\2\033[7m\\4\033[m', data)
>                                         ^^^       ^^^     ^^^       ^^^
>                        Please excuse ignorance, but what are these?
>
> >         data = regsub.gsub(reg2, '', data)
> >         data = regsub.gsub(reg3, filename + ':  \\1', data)
> >         print data,
>                     ^
>   I guess this just depends on what's next?
>
> Note: Don't really know jack diddly bout Python. Just attracted
> by the smell
> of regexs.
>
> Saaalute!!
> MD
> >
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