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Re: How can I remove the first line of a multi-line string?

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  Re: How can I remove the first line of a multi-line string? MRAB <python@mrabarnett.plus.com> - 2013-09-02 17:53 +0100

#53503 — Re: How can I remove the first line of a multi-line string?

On 02/09/2013 17:12, Chris “Kwpolska” Warrick wrote:
> On Mon, Sep 2, 2013 at 6:06 PM, Anthony Papillion <papillion@gmail.com> wrote:
>> Hello Everyone,
>>
>> I have a multi-line string and I need to remove the very first line from
>> it. How can I do that? I looked at StringIO but I can't seem to figure
>> out how to properly use it to remove the first line. Basically, I want
>> to toss the first line but keep everything else.  Can anyone put me on
>> the right path? I know it is probably easy but I'm still learning Python
>> and don't have all the string functions down yet.
>>
>> Thanks,
>> Anthony
>> --
>> http://mail.python.org/mailman/listinfo/python-list
>
> Use split() and join() methods of strings, along with slicing.  Like this:
>
>      fullstring = """foo
>      bar
>      baz"""
>
>      sansfirstline = '\n'.join(fullstring.split('\n')[1:])
>
> The last line does this:
> 1. fullstring.split('\n') turns it into a list of ['foo', 'bar', 'baz']
> 2. the [1:] slice removes the first element, making it ['bar', 'baz']
> 3. Finally, '\n'.join() turns the list into a string separated by
> newlines ("""bar
> baz""")
>
Another way is to use .partition:

 >>> fullstring = """foo\nbar\nbaz"""
 >>> fullstring.partition("\n")[2]
'bar\nbaz'

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