[Zope] Re: mid function!

[Jim Washington]

Hamzat kamal wrote:

>>Date: Mon, 13 Aug 2001 13:02:57 +0200
>>To: zope@zope.org
>>From: Hamzat kamal <hamzatk@dnetsystems.net>
>>Subject: Re: mid function!
>>Cc: tim@freepm.com
>>In-Reply-To: <3B762D63.54F1652B@iswt.com>
>>References: <3.0.2.32.20010811190229.006b8dd4@dnetserver>
>>
>>At 02:16 AM 8/12/2001 -0500, you wrote:
>>
>>>Hamzat kamal wrote:
>>>
>>>>Dear tim,
>>>>
>>>>I checked through the DTML function i could not find this function.
>>>>I am writing a code where i will need to store the title of each dtml
>>>>document with <dtml-let > and extract certain number of xters from the
>>>>title and test it before calling a particular object.
>>>>
>>>>This function is widely used, but this is the way is been used in Vb
>>>>
>>>>mid(string, start [,length])
>>>>  string - denote the var name
>>>>  start  -   "    where you want to begin the extraction
>>>>  length -   "    the no of xters you want extract from the string
>>>>
>>>You would use the Python string module for this.
>>>
>>I am also completely new to Python, but when checking the zope doc
>>
>(AppendixA.htm) i saw one DTML string function 
>
>>      find(s, sub[start [,end]])
>> :- Returns the lowest index s where the substring sub is found such that
>>
>sub is wholly contained in s[start:end].
>
>>I assumed this will serve my purpose but when i tried it, 
>>
>
>   <dtml-var dname>
>   <dtml-if expr="_.find(dname, sub[1,6])=='Sunday'">
>   today is sunday
>   </dtml-if>
>
>this is the error i received when try to view it
>
>>Error Type: AttributeError
>>Error Value: find
>>
>>pls help me out.
>>
try _.string.find() instead of _.find().  It's a string function from 
the string module.

-- Jim Washington