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Groups > comp.lang.python > #103194
| From | Tim Chase <python.list@tim.thechases.com> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: Considering migrating to Python from Visual Basic 6 for engineering applications |
| Date | 2016-02-19 07:40 -0600 |
| Message-ID | <mailman.48.1455890911.2289.python-list@python.org> (permalink) |
| References | (5 earlier) <CAPTjJmqF2TciSgr=qdyy+9WcWrhYVvo7VCk6s5aOo0t38PpgTw@mail.gmail.com> <mailman.5.1455808876.2289.python-list@python.org> <f136cf1a-b332-485f-889a-ef701ca5993c@googlegroups.com> <mailman.20.1455823868.2289.python-list@python.org> <9e57761f-26e1-41c5-8e71-23800de1fdd3@googlegroups.com> |
On 2016-02-19 02:47, wrong.address.1@gmail.com wrote:
> 2 12.657823 0.1823467E-04 114 0
> 3 4 5 9 11
> "Lower"
> 278.15
>
> Is it straightforward to read this, or does one have to read one
> character at a time and then figure out what the numbers are? --
It's easy to read. What you do with that mess of data is the complex
part. They come in as byte-strings, but you'd have to convert them
to the corresponding formats:
from shlex import shlex
USE_LEX = True # False
with open('data.txt') as f:
for i, line in enumerate(f, 1):
if USE_LEX:
bits = shlex(line)
else:
bits = line.split()
for j, bit in enumerate(bits, 1):
if bit.isdigit():
result = int(bit)
t = "an int"
elif '"' in bit:
result = bit
t = "a string"
else:
result = float(bit)
t = "a float"
print("On line %i I think that item %i %r is %s: %r" % (
i,
j,
bit,
t,
result,
))
The USE_LEX controls whether the example code uses string-splitting
on white-space, or uses the built-in "shlex" module to parse for
quoted strings that might contain a space. The naive way of
string-splitting will be faster, but choke on string-data containing
spaces.
You'd have to make up your own heuristics for determining what type
each data "bit" is, parsing it out (with int(), float() or whatever),
but the above gives you some rough ideas with at least one known
bug/edge-case. But we can't do *all* the work for you ;-)
-tkc
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Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-17 11:49 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications sohcahtoa82@gmail.com - 2016-02-17 12:25 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Rob Gaddi <rgaddi@highlandtechnology.invalid> - 2016-02-17 20:54 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Ray Cote <rgacote@appropriatesolutions.com> - 2016-02-17 16:13 -0500
Re: Considering migrating to Python from Visual Basic 6 for engineering applications paul.hermeneutic@gmail.com - 2016-02-17 14:18 -0700
Re: Considering migrating to Python from Visual Basic 6 for engineering applications William Ray Wing <wrw@mac.com> - 2016-02-17 16:27 -0500
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-18 00:17 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2016-02-18 10:09 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Chris Angelico <rosuav@gmail.com> - 2016-02-18 21:16 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-18 03:11 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Chris Angelico <rosuav@gmail.com> - 2016-02-18 22:32 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-18 07:49 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Chris Angelico <rosuav@gmail.com> - 2016-02-19 03:06 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-18 09:49 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Dietmar Schwertberger <maillist@schwertberger.de> - 2016-02-18 21:37 +0100
RE: Considering migrating to Python from Visual Basic 6 for engineering applications Dan Strohl <D.Strohl@F5.com> - 2016-02-18 16:24 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-18 09:58 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Tim Chase <python.list@tim.thechases.com> - 2016-02-18 13:18 -0600
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Steven D'Aprano <steve@pearwood.info> - 2016-02-19 11:30 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Chris Angelico <rosuav@gmail.com> - 2016-02-19 11:57 +1100
Ohnoes significant whitespace (was: Considering migrating to Python from Visual Basic 6 for engineering applications) Ben Finney <ben+python@benfinney.id.au> - 2016-02-19 12:03 +1100
Re: Ohnoes significant whitespace Marko Rauhamaa <marko@pacujo.net> - 2016-02-19 08:36 +0200
Re: Ohnoes significant whitespace (was: Considering migrating to Python from Visual Basic 6 for engineering applications) Grant Edwards <invalid@invalid.invalid> - 2016-02-19 14:57 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications BartC <bc@freeuk.com> - 2016-02-19 02:14 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Steven D'Aprano <steve@pearwood.info> - 2016-02-19 21:18 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2016-02-18 15:20 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-18 07:33 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2016-02-18 15:47 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications William Ray Wing <wrw@mac.com> - 2016-02-18 10:59 -0500
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-18 09:38 -0800
RE: Considering migrating to Python from Visual Basic 6 for engineering applications Dan Strohl <D.Strohl@F5.com> - 2016-02-18 16:00 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-18 09:44 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Tim Chase <python.list@tim.thechases.com> - 2016-02-18 13:28 -0600
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-19 02:47 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-02-19 11:23 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-19 03:53 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-02-19 08:13 -0500
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Steven D'Aprano <steve@pearwood.info> - 2016-02-20 18:54 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-20 10:45 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Christian Gollwitzer <auriocus@gmx.de> - 2016-02-20 20:21 +0100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Tony van der Hoff <tony@vanderhoff.org> - 2016-02-19 11:34 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Tim Chase <python.list@tim.thechases.com> - 2016-02-19 07:40 -0600
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-19 10:14 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications BartC <bc@freeuk.com> - 2016-02-19 23:06 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Larry Hudson <orgnut@yahoo.com> - 2016-02-19 23:49 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-20 10:38 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Larry Hudson <orgnut@yahoo.com> - 2016-02-20 23:28 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications BartC <bc@freeuk.com> - 2016-02-21 13:16 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Chris Angelico <rosuav@gmail.com> - 2016-02-22 00:54 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-02-21 17:08 +0200
Re: Considering migrating to Python from Visual Basic 6 for engineering applications BartC <bc@freeuk.com> - 2016-02-21 16:16 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-02-21 23:52 +0200
Re: Considering migrating to Python from Visual Basic 6 for engineering applications BartC <bc@freeuk.com> - 2016-02-21 23:05 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-02-22 10:50 +0200
Re: Considering migrating to Python from Visual Basic 6 for engineering applications BartC <bc@freeuk.com> - 2016-02-22 12:24 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-02-21 21:19 -0500
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Steven D'Aprano <steve@pearwood.info> - 2016-02-22 21:46 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-02-22 13:39 +0200
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Random832 <random832@fastmail.com> - 2016-02-22 09:49 -0500
Re: Considering migrating to Python from Visual Basic 6 for engineering applications BartC <bc@freeuk.com> - 2016-02-22 16:21 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-02-23 10:45 +1300
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Christian Gollwitzer <auriocus@gmx.de> - 2016-02-21 16:21 +0100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Tim Chase <python.list@tim.thechases.com> - 2016-02-21 12:19 -0600
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-02-21 21:40 -0500
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Steven D'Aprano <steve@pearwood.info> - 2016-02-22 22:16 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications BartC <bc@freeuk.com> - 2016-02-22 12:51 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Chris Angelico <rosuav@gmail.com> - 2016-02-23 00:09 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-02-21 13:39 -0500
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Peter Otten <__peter__@web.de> - 2016-02-19 15:58 +0100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Matt Wheeler <m@funkyhat.org> - 2016-02-19 17:05 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Roel Schroeven <roel@roelschroeven.net> - 2016-02-20 23:28 +0100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-02-19 01:07 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wxjmfauth@gmail.com - 2016-02-18 01:49 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications William Ray Wing <wrw@mac.com> - 2016-02-18 09:07 -0500
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-18 07:35 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Steven D'Aprano <steve@pearwood.info> - 2016-02-19 12:06 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-19 03:11 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-02-19 08:27 -0500
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Steven D'Aprano <steve@pearwood.info> - 2016-02-20 12:13 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications William Ray Wing <wrw@mac.com> - 2016-02-19 22:28 -0500
Re: Considering migrating to Python from Visual Basic 6 for engineering applications BartC <bc@freeuk.com> - 2016-02-19 15:34 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Chris Angelico <rosuav@gmail.com> - 2016-02-20 02:43 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Grant Edwards <invalid@invalid.invalid> - 2016-02-19 16:04 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Grant Edwards <invalid@invalid.invalid> - 2016-02-19 15:59 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications BartC <bc@freeuk.com> - 2016-02-19 16:32 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Chris Angelico <rosuav@gmail.com> - 2016-02-20 03:49 +1100
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Grant Edwards <invalid@invalid.invalid> - 2016-02-19 18:03 +0000
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Denis Akhiyarov <denis.akhiyarov@gmail.com> - 2016-02-19 20:58 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-20 10:50 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Denis Akhiyarov <denis.akhiyarov@gmail.com> - 2016-02-22 00:02 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications Mike S <mscir@yahoo.com> - 2016-02-20 19:52 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wxjmfauth@gmail.com - 2016-02-20 01:46 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications nholtz <nholtz@cee.carleton.ca> - 2016-02-20 08:22 -0800
Re: Considering migrating to Python from Visual Basic 6 for engineering applications wrong.address.1@gmail.com - 2016-02-20 10:47 -0800
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