On Thu, 4 Feb 2010, drlatex wrote:
>
> Hello,
>
> Is it possible for vim to search for repeated strings in a document ?
>
> For example, the file:
>
> abc
> def
> 123
> 654
> bcd
>
> has no repeated strings,
>
> But the file:
>
> 1234
> 2345
> 1567
> 1234
> 3214
>
> has the redundancy on lines 1 and 4.
>
> This might be hard because in the first file, the string 'bc' is in
> fact repeated on lines 1 and 6, but I am looking for if the file has
> two lines that are redundant.
>
> Any help, suggestions or discussion is greatly appreciated,
>
Wow... Vim is getting fun...
Add the following to a file called ~/.vim/compiler/dups.vim:
CompilerSet makeprg=sort\ %\\\|uniq\ -d\\\|grep\ -Hnxf\ -\ %
CompilerSet errorformat=%f:%l:%m
and you can then call:
:compiler dups
in a buffer. Then when you ':make', you can get a list of errors by
running ':cope'.
I'm still a 'quickfix' noob, so this may not be the way to go about it.
I don't know (for example) how to deal with an existing other
compiler...
The 'makeprg' line does the following:
The '\' are for escaping for Vim's purposes.
Unescaped and nicer, the command is:
sort % | uniq -d | grep -Hnxf - %
| | |||| |
| | |||| \-- the duplicates from stdin
| | |||\-- file with patterns to match
| | ||\-- matches are whole-line only
| | |\-- print line number
| | \-- print filename
| \-- prints out any duplicated lines
\-- the current buffer
You can also simply run that command on the current buffer:
:!sort %|uniq -d|grep -Hnxf - %
--
Best,
Ben
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