cut off \n

[Andrew Wilkinson]

Tom wrote:

> Hi,
> 
> I have to read data from a file to a list. Unfortunately most of the
> data that I read into my little list ends with a linefeed \n.
> Right now I get rid of this by just cutting off the last character. (a =
> l[:-1]).
> My problem is that sometimes the last line of the file has a \n and
> sometimes not. With the method above I sometimes cut off parts of my
> string. So it would be much nicer if I can find out if the data does
> have a \n and then cut it off.
> 
> This is probably a very common problem but I am pretty new to Phython
> and could find anything useful with google. :-(
> 
> Thanks, Tom

def remove_last_newline(line):
    if line[-1] == "\n":
        return line[:-1]
    else:
        return line

newlist = map(remove_last_newline, yourlist)

Unfortunatly without a single line if-expression in Python I can't think of
a single line solution to this problem.

Hope this is of use,
Andrew Wilkinson