[Tutor] Text matching

[Gardner, Dean]

 Thanks I will try that. Your help is very much appreciated.


Dean Gardner
Test Engineer 
Barco
Bonnington Bond, 2 Anderson Place, Edinburgh EH6 5NP, UK
Tel + 44 (0) 131 472 5731 Fax + 44 (0) 131 472 4799
www.barco.com 
dean.gardner at barco.com 


-----Original Message-----
From: Kent Johnson [mailto:kent37 at tds.net] 
Sent: 03 May 2007 14:39
To: Gardner, Dean
Cc: tutor at python.org
Subject: Re: [Tutor] Text matching

Gardner, Dean wrote:
> Here is a test sample of what I have: This currently correctly 
> identifies the start and the end of the changelog entries and I can 
> identify the requested item records. What I am struggling with at 
> present is to how to create records of the full changelog entries for 
> each of the found items.
> 
> Again any help greatly appreciated.
> 
> 
> uid = "000028.txt"
> 
> 
> file = open("C:\projects\SuiteSpecification\Notes\ChangeLog.txt")
> 
> output = file.readlines()
> changeLogList = []
> itemList = []
> for strOut in output:
> 
>     if "----" in strOut:
>         changeLogStart = 1
>     itemList.append(strOut)       
>     if "Reviewed:" in strOut:
>         changeLogStart=0
> for item in itemList:
>     if uid in item:
>         print item

I usually solve problems like this by pulling multiple lines from the
file within the loop. Something like this:
f = open('...ChangeLog.txt')
try:
   while True:
     line = f.next()
     if line.startswith('----'):
       line1 = line
       line2 = f.next()
       line3 = f.next()
       line4 = f.next()
       # Do something to process the lines
     line = f.next()
except StopIteration:
   pass

The basic idea is that you can collect multiple lines by calling
f.next() explicitly inside the loop.

Kent


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