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String splitting by spaces question

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  String splitting  by spaces question Massi <massi_srb@msn.com> - 2011-11-23 09:10 -0800
    RE: String splitting  by spaces question "Alemu Tadesse" <atadesse@sunedison.com> - 2011-11-23 11:31 -0600
    Re: String splitting by spaces question Arnaud Delobelle <arnodel@gmail.com> - 2011-11-23 17:40 +0000
    Re: String splitting by spaces question Nick Dokos <nicholas.dokos@hp.com> - 2011-11-23 12:51 -0500
    Re: String splitting  by spaces question Miki Tebeka <miki.tebeka@gmail.com> - 2011-11-23 12:40 -0800
    Re: String splitting  by spaces question Phil Rist <Phil_member@newsguy.com> - 2011-11-23 16:20 -0800
      Re: String splitting by spaces question DevPlayer <devplayer@gmail.com> - 2011-11-23 19:53 -0800

#16114 — String splitting by spaces question

Hi everyone,

I have to parse a string and splitting it by spaces. The problem is
that the string can include substrings comprises by quotations which
must mantain the spaces. What I need is to pass from a string like:

This is an 'example string'

to the following vector:

["This", "is", "an", "example string"]

Which is the best way to achieve this?
Thanks in advance!

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#16115

Hi Everyone,

Can we use rsplit function on an array or vector of strings ? it works
for one not for vector

Alemu


-----Original Message-----
From: python-list-bounces+atadesse=sunedison.com@python.org
[mailto:python-list-bounces+atadesse=sunedison.com@python.org] On Behalf
Of Massi
Sent: Wednesday, November 23, 2011 10:10 AM
To: python-list@python.org
Subject: String splitting by spaces question

Hi everyone,

I have to parse a string and splitting it by spaces. The problem is
that the string can include substrings comprises by quotations which
must mantain the spaces. What I need is to pass from a string like:

This is an 'example string'

to the following vector:

["This", "is", "an", "example string"]

Which is the best way to achieve this?
Thanks in advance!
-- 
http://mail.python.org/mailman/listinfo/python-list

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#16119 — Re: String splitting by spaces question

On 23 November 2011 17:10, Massi <massi_srb@msn.com> wrote:
> Hi everyone,
>
> I have to parse a string and splitting it by spaces. The problem is
> that the string can include substrings comprises by quotations which
> must mantain the spaces. What I need is to pass from a string like:
>
> This is an 'example string'
>
> to the following vector:

You mean "list"

> ["This", "is", "an", "example string"]
>

Here's a way:

>>> s = "This is an 'example string' with 'quotes again'"
>>> [x for i, p in enumerate(s.split("'")) for x in ([p] if i%2 else p.split())]
['This', 'is', 'an', 'example string', 'with', 'quotes again']

-- 
Arnaud

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#16120 — Re: String splitting by spaces question

Alemu Tadesse <atadesse@sunedison.com> wrote:

> Can we use rsplit function on an array or vector of strings ? it works
> for one not for vector

> ...
> 
> I have to parse a string and splitting it by spaces. The problem is
> that the string can include substrings comprises by quotations which
> must mantain the spaces. What I need is to pass from a string like:
> 
> This is an 'example string'
> 
> to the following vector:
> 
> ["This", "is", "an", "example string"]
> 
> Which is the best way to achieve this?
> Thanks in advance!

You can use a list comprehension:

l2 = [x.rsplit(...) for x in l]

But for the original question, maybe the csv module would be
more useful: you can change delimiters and quotechars to match
your input:

    import csv
    reader = csv.reader(open("foo.txt", "rb"), delimiter=' ', quotechar="'")
    for row in reader:
        print row

Nick

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#16128

http://docs.python.org/library/shlex.html

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#16134

In article <3f19e4c0-e010-4cb2-9f71-dd09e0d3cb1f@r9g2000vbw.googlegroups.com>,
Massi says...
>
>Hi everyone,
>
>I have to parse a string and splitting it by spaces. The problem is
>that the string can include substrings comprises by quotations which
>must mantain the spaces. What I need is to pass from a string like:
>
>This is an 'example string'
>
>to the following vector:
>
>["This", "is", "an", "example string"]
>
>Which is the best way to achieve this?
>Thanks in advance!


Is this what you want?

import shlex


lText = "This is a 'short string' for you to read."
lWords = shlex.split(lText)
print lWords

produces,

['This', 'is', 'a', 'short string', 'for', 'you', 'to', 'read.']

Shlex can be found under 'Program Frameworks' under 'The Python Standard
Library' of ActivePython 2.7 documentation.

C:\Source\Python\New>

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#16141 — Re: String splitting by spaces question

This is an 'example string'

Don't for get to watch for things like:

Don't, Can't, Won't, I'll, He'll, Hor'davors, Mc'Kinly

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