[Python] Eliminare carattere fine riga

[Alberto Granzotto]

2012/7/24 Marco Beri <marcoberi a gmail.com>:
> 2012/7/24 Daniele Varrazzo <piro a develer.com>
>>
>> In windows forse "rstrip('\r\n')" è anche meglio, ma non sono sicuro sia
>> necessario (forse py converte CRLF -> LF? Non mi ricordo).
>
>
> Secondo me non converte.
>
> marcob a pc-beruntu:~$ od -c x
> 0000000  \r  \n
> 0000002
> marcob a pc-beruntu:~/tmp$ python
> Python 2.7.2+ (default, Oct  4 2011, 20:03:08)
> [GCC 4.6.1] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>>>> file("x", "r").read()
> '\r\n'
>>>> file("x", "rb").read()
> '\r\n'


Converte se glielo dite (aka operatore 'U') :D

>>> open('foo.txt', 'wb').write("1\n2\r\n3\n")

>>> open('foo.txt', 'r').read().split('\n')
['1', '2\r', '3', '']

>>> open('foo.txt', 'rU').read().split('\n')
['1', '2', '3', '']

ref: http://docs.python.org/library/functions.html#open

ciao!
alberto