On Sunday 05 November 2006 09:03, Ken Irving wrote:
> On Fri, Nov 03, 2006 at 09:56:12PM -0500, Douglas Tutty wrote:
> > On Fri, Nov 03, 2006 at 08:27:42PM +0000, michael wrote:
[...]
> > > eg for
> > >
> > > junk info 18 Pro
> > > cessor
> > >
> > > I wish to get the field '18'
[...]
> >
> > Since it appears that newlines aren't significant, I would get rid of
> > them.
> >
> > IN = open('IN')
> > instring = IN.read()
> > IN.close()
> >
> > I would remove all newlines so it was one huge line.
> >
> > onelinestring = instring.replace('\n', ' ')
> > del instring
> >
> > Split the string into a list of words
> >
> > inlist = onelinestring.split()
> > del onelinestring
> >
> > Iterate through the list looking for 'processor'
> >
> > oldword = ' '
> > for newword in inlist
> > if word.lower == 'processor'
> > print oldword # the previous word
> > oldword = newword
> >
> > del inlist
> >
[...]
>
> Is this pseudo-code or does it actually run? I had to add some crypic
> noise, I mean ':' characters, in a couple of places, change "word" to
> "newword", and it still didn't seem to work. The interesting part of
> the otherwise mundane problem was that the pattern to match is perhaps
> on two different lines. I don't see how this is addressed in the
> proffered solution.
[...]
Here's a version of Douglas' python script that I got to run:
--------------------------------------------
#!/usr/bin/python
IN = open('IN')
instring = IN.read()
onelinestring = instring.replace('\n', ' ')
inlist = onelinestring.split()
oldword = ' '
for newword in inlist:
if newword == 'Processor':
print oldword
oldword = newword
-------------------------------------------------------------
There were a couple of syntax errors in the original, but I think it does
solve the two-line problem by removing the newlines.
Regards,
John
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