On May 11, 1:29 pm, Gary Johnson <[email protected]> wrote:
> On 2009-05-11, anokun7 <[email protected]> wrote:
>
>
>
> > I tried using google, but couldnt get an answer, so here I am, please
> > suggest / help
>
> > I have 2 files (FILE 1 is an older version of FILE 2) - each contain a
> > list of account id's (hence are unique and sorted - let's assume) like
> > the following:
>
> > FILE 1
> > ***************
> > ab123
> > bc123
> > bv345
> > jd811
> > jk11
> > ak15
>
> > FILE 2
> > ***************
> > ab123
> > bc123
> > jd811
> > hij12
> > jk110
> > ak15
>
> > When I look at the files using vimdiff, I can see the differences
> > between the two files. What I want to achieve are two things - the
> > second is more important I think:
>
> > 1. Enable line level differences: that is the line jk11 in FILE 1
> > should show as deleted in FILE 2.
>
> Vim does its best to show differences at the character level and I
> don't know of a way around that.
>
> > 2. Extract all deleted lines from FILE 1 into a buffer or another
> > file. That is: lines bv345, jd811, jk11.
>
> > Is this possible using vimdiff - I assumed that this a variant of
> > generating a patch, but couldnt proceed beyond that.
>
> When I need to do things like this, I use command-line tools such as
> comm and diff. If the files are sorted (which your examples
> aren't), you can use comm like this,
>
> comm -23 file1 file2 > uniq1
>
> where uniq1 will contain the lines appearing only in file1.
> Alternatively, you could use diff like this,
>
> diff file1 file2 | sed -n '/^</s/^..//p' > uniq1
>
> Regards,
> Gary
Thank you so much, of the options I tried the comm command / option
works the smoothest for me. I could get the job done.
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