LornaJane

Vim Macro: cleaning up line endings

Tuesday, July 1. 2008

When development teams have people working on a variety of platforms, its pretty common to end up with wrong line endings. In vim these will look like ^M at the end of each line. To get rid of these line endings you can use the following command (in command mode)

:% s/^M$//

To type the correct ^M character, you'll need to press Ctrl + V followed by Ctrl + M (the first combination means "take the next combination literally).

To turn this into a macro you should do the following. In command mode, pressq, followed by any letter. This will be the shortcut to access the macro. Then type the command as above. Finally, press q again to stop recording and its done. You can use your macro by pressing @ and then the letter you chose.
Posted by LornaJane in tech at 07:11 | Comments (6) | Trackbacks (0)
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Hi Lorna.
Cool tip but I think I can go one better!

I have the following line in my ~/.vim/ftplugin/php.vim file

autocmd BufWritePre *.php :%s/\s\+$//e

This removes all trailing spaces in a .php file prior to writing it to disk and means I can concentrate on work rather that using macros ;-)

#1 Ken Guest (Homepage) on 2008-07-02 01:23 (Reply)

Ken: Hello, thanks for dropping by and upstaging me with such an excellent tip :) I’ve also seen some nice pre-commit hooks for SVN that cleans up this kind of badness before the files go near the repo.

#2 LornaJane (Homepage) on 2008-07-02 12:11 (Reply)

Have you tried using the svn:eol-style property? This seems more appropriate than using pre-commit hooks.

#2.1 Geoff on 2008-07-02 12:57 (Reply)

Geoff: For line-endings the SVN property is really useful, but for more complex requirements, like the ones Ken mentioned, a hook is more functional I think. I must admit to usually specifying whitespace and line endings in coding standards and then shouting at people that do it wrong … its a less technical solution but it works :)

#3 LornaJane (Homepage) on 2008-07-02 13:16 (Reply)

Lorna,
If you’re getting into hooks and coding standards you might want to have a look at triggering Greg Sherwood’s php codesniffer when somebody attempts to check in changes.

http://url.ie/hq6 is a redirect to his blog posting about doing this.

#4 Ken Guest (Homepage) on 2008-07-02 14:28 (Reply)

Ken: Thanks for the link, I will have to take a look at that.

#5 LornaJane (Homepage) on 2008-07-08 08:52 (Reply)

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Simon about Acer Aspire One (and cosy)
Wed, 27.08.2008 10:19
If it’s anything like the Asus that I have, then it should b e relatively easy to put Ubuntu on it, like I’ve done with m ine. Put installer on to a bootable USB stick…


Derick about Acer Aspire One (and cosy)
Wed, 27.08.2008 08:50
It should be possible to automatically close down the wifi c onnection and unload the kernel module on hibernate. Look a t the scripts in /etc/apm/suspend.d for example. /etc/de fault/acpi-support might also have some options to get you s omewhere. I put my normal ethernet driver module (e100 [...]


LornaJane about Curl Cheat Sheet
Tue, 26.08.2008 14:56
Vid: Thanks for dropping by, I’m very pleased to hear you fo und this useful.


LornaJane about Six Months of Telecommuting
Tue, 26.08.2008 14:54
dotjay: Shared offices are OK, but I do like the peace and quiet of not sharing I must say. I get a bit loopy though i f I stay home for too long! The offline time trick is a goo d one – I like to at least turn off the monitor and use a pe n sometimes.


dotjay about Six Months of Telecommuting
Mon, 25.08.2008 20:00
I’m so glad that you settled into telecommuting so well. As you know, I’ve been working for myself and/or telecommuting for the last five years. I’ve never really had the experienc e of a shared office, but I do use Skype a lot, sometimes ta lking with work mates for hours at a time. The trick i [...]


Vid Luther about Curl Cheat Sheet
Sun, 24.08.2008 23:25
Lorna, Great post, found this via Chris’s blog, more tool s in my toolset now :). Thanks


LornaJane about Accessing Incoming PUT Data from PHP
Sat, 23.08.2008 20:46
shaun: I didn’t anticipate problems, I just didn’t think it worked in that way – but I’m completely happy to be told oth erwise :) Don’t be surprised that curl lets you do weird an d wonderful things, lots of tools are like that and it allow s you to use them in ways that the original author had [...]


shaun about Accessing Incoming PUT Data from PHP
Sat, 23.08.2008 10:21
ok, I’ve been experimenting with this, ‘switch’ing on the RE QUEST_METHOD to implement post, get, put, delete for a db r esource; so far I’ve not had problems using $SERVER[‘QUERY STRING’] and parse_str()... what problems do you anticipate? (I’m not sending files, everything fits in the string [...]


LornaJane about PHPNW 2008 - 22nd November
Fri, 22.08.2008 09:20
The main conference site is now live, and the call for paper s is open – see http://conference.phpnw.org.uk/phpnw08/