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Groups > comp.lang.python > #90730
| References | <6a383ce2-5975-4225-b4f2-f744c9d7a516@googlegroups.com> |
|---|---|
| Date | 2015-05-16 09:43 -0400 |
| Subject | Re: Fastest way to remove the first x characters from a very long string |
| From | Joel Goldstick <joel.goldstick@gmail.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.71.1431783817.17265.python-list@python.org> (permalink) |
On Sat, May 16, 2015 at 9:28 AM, <bruceg113355@gmail.com> wrote: > I have a string that contains 10 million characters. > > The string is formatted as: > > "0000001 : some hexadecimal text ... \n > 0000002 : some hexadecimal text ... \n > 0000003 : some hexadecimal text ... \n > ... > 0100000 : some hexadecimal text ... \n > 0100001 : some hexadecimal text ... \n" > > and I need the string to look like: > > "some hexadecimal text ... \n > some hexadecimal text ... \n > some hexadecimal text ... \n > ... > some hexadecimal text ... \n > some hexadecimal text ... \n" > > I can split the string at the ":" then iterate through the list removing the first 8 characters then convert back to a string. This method works, but it takes too long to execute. > > Any tricks to remove the first n characters of each line in a string faster? > slicing might be faster than searching for : Do you need to do this all at once? If not, use a generator > Thanks, > Bruce > -- > https://mail.python.org/mailman/listinfo/python-list -- Joel Goldstick http://joelgoldstick.com
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Fastest way to remove the first x characters from a very long string bruceg113355@gmail.com - 2015-05-16 06:28 -0700
Re: Fastest way to remove the first x characters from a very long string Joel Goldstick <joel.goldstick@gmail.com> - 2015-05-16 09:43 -0400
Re: Fastest way to remove the first x characters from a very long string Chris Angelico <rosuav@gmail.com> - 2015-05-16 23:45 +1000
Re: Fastest way to remove the first x characters from a very long string bruceg113355@gmail.com - 2015-05-16 07:02 -0700
Re: Fastest way to remove the first x characters from a very long string bruceg113355@gmail.com - 2015-05-16 09:22 -0700
Re: Fastest way to remove the first x characters from a very long string Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-16 10:57 -0600
Re: Fastest way to remove the first x characters from a very long string Chris Angelico <rosuav@gmail.com> - 2015-05-17 02:59 +1000
Re: Fastest way to remove the first x characters from a very long string bruceg113355@gmail.com - 2015-05-16 10:35 -0700
Re: Fastest way to remove the first x characters from a very long string Cameron Simpson <cs@zip.com.au> - 2015-05-17 08:41 +1000
Re: Fastest way to remove the first x characters from a very long string Grant Edwards <invalid@invalid.invalid> - 2015-05-16 14:59 +0000
Re: Fastest way to remove the first x characters from a very long string Rustom Mody <rustompmody@gmail.com> - 2015-05-16 08:13 -0700
Re: Fastest way to remove the first x characters from a very long string bruceg113355@gmail.com - 2015-05-16 09:24 -0700
Re: Fastest way to remove the first x characters from a very long string Irmen de Jong <irmen.NOSPAM@xs4all.nl> - 2015-05-16 18:55 +0200
Re: Fastest way to remove the first x characters from a very long string Denis McMahon <denismfmcmahon@gmail.com> - 2015-05-16 23:24 +0000
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