On 2010-06-18, Jon Clements wrote:
>> I just wondered if something smoother was available.
>
> In terms of behaviour and 'safety', I'd go for:
>
rec = { 'code1': '1,2,3', 'code2': '' }
next(csv.reader([rec['code1']]))
> ['1', '2', '3']
next(csv.reader([rec['code2']]))
> []
Slick!
On 17 June, 21:03, Neil Cerutti wrote:
> On 2010-06-17, Robert Kern wrote:
>
> > On 6/17/10 2:08 PM, Neil Cerutti wrote:
> >> On 2010-06-17, Ian Kelly wrote:
> >>> On Thu, Jun 17, 2010 at 11:45 AM, Neil Cerutti
> >>> wrote:
> What's the best way to do the inverse operation of the .join
>
On 2010-06-18, Steven D'Aprano wrote:
> On Thu, 17 Jun 2010 20:03:42 +, Neil Cerutti wrote:
>> I'm currently using the following without problems, while
>> reading a data file. One of the fields is a comma separated
>> list, and may be empty.
>>
>> f = rec['codes']
>> if f == "":
>> f
On Thu, 17 Jun 2010 20:03:42 +, Neil Cerutti wrote:
> I'm currently using the following without problems, while reading a data
> file. One of the fields is a comma separated list, and may be empty.
>
> f = rec['codes']
> if f == "":
> f = []
> else:
> f = f.split(",")
>
> I jus
On Thu, 17 Jun 2010 20:44:41 +0100, MRAB wrote:
> Should .split grow an addition keyword argument to specify the desired
> behaviour?
Please no.
> (Although it's simple enough to define your own function.)
Exactly.
--
Steven
--
http://mail.python.org/mailman/listinfo/python-list
On Thu, 17 Jun 2010 17:45:41 +, Neil Cerutti wrote:
> What's the best way to do the inverse operation of the .join function?
str.join is a many-to-one function, and so it doesn't have an inverse.
You can't always get the input back unchanged:
>>> L = ["a", "b", "c|d", "e"]
>>> s = '|'.join(
On 6/17/10 3:03 PM, Neil Cerutti wrote:
On 2010-06-17, Robert Kern wrote:
On 6/17/10 2:08 PM, Neil Cerutti wrote:
On 2010-06-17, Ian Kelly wrote:
On Thu, Jun 17, 2010 at 11:45 AM, Neil Cerutti
wrote:
What's the best way to do the inverse operation of the .join
function?
Use the str.sp
On 2010-06-17, Robert Kern wrote:
> On 6/17/10 2:08 PM, Neil Cerutti wrote:
>> On 2010-06-17, Ian Kelly wrote:
>>> On Thu, Jun 17, 2010 at 11:45 AM, Neil Cerutti
>>> wrote:
What's the best way to do the inverse operation of the .join
function?
>>>
>>> Use the str.split method?
>>
>> s
On 6/17/10 12:44 PM, MRAB wrote:
> Neil Cerutti wrote:
>> On 2010-06-17, Ian Kelly wrote:
>>> On Thu, Jun 17, 2010 at 11:45 AM, Neil Cerutti
>>> wrote:
What's the best way to do the inverse operation of the .join
function?
>>> Use the str.split method?
>>
>> split is perfect except for
On 6/17/10 2:08 PM, Neil Cerutti wrote:
On 2010-06-17, Ian Kelly wrote:
On Thu, Jun 17, 2010 at 11:45 AM, Neil Cerutti
wrote:
What's the best way to do the inverse operation of the .join
function?
Use the str.split method?
split is perfect except for what happens with an empty string.
Neil Cerutti wrote:
On 2010-06-17, Ian Kelly wrote:
On Thu, Jun 17, 2010 at 11:45 AM, Neil Cerutti
wrote:
What's the best way to do the inverse operation of the .join
function?
Use the str.split method?
split is perfect except for what happens with an empty string.
I see what you mean.
On 2010-06-17, Ian Kelly wrote:
> On Thu, Jun 17, 2010 at 11:45 AM, Neil Cerutti
> wrote:
>> What's the best way to do the inverse operation of the .join
>> function?
>
> Use the str.split method?
split is perfect except for what happens with an empty string.
--
Neil Cerutti
--
http://mail.py
On Thu, Jun 17, 2010 at 11:45 AM, Neil Cerutti wrote:
> What's the best way to do the inverse operation of the .join
> function?
Use the str.split method?
--
http://mail.python.org/mailman/listinfo/python-list
Neil Cerutti wrote:
What's the best way to do the inverse operation of the .join
function?
.split, possibly, although there will be problems if the string contains
other occurrences of the separator.
--
http://mail.python.org/mailman/listinfo/python-list
Neil Cerutti wrote:
> What's the best way to do the inverse operation of the .join
> function?
>
> --
> Neil Cerutti
split
--
http://mail.python.org/mailman/listinfo/python-list
What's the best way to do the inverse operation of the .join
function?
--
Neil Cerutti
--
http://mail.python.org/mailman/listinfo/python-list
16 matches
Mail list logo
