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Linux shell diff utility with highlite

Posted on 2010-08-20
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Last Modified: 2013-12-26
I want to be able the difference with two files and HIGHLIGHT the difference in each line, NOT just the full line

For example, if the diff output is

< This is 123 line
---
> This is xyz line

I want the 123 and xyz to be highlighted.
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Question by:pmsguy
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7 Comments
 
LVL 6

Assisted Solution

by:jghelfman40
jghelfman40 earned 1200 total points
ID: 33487430
I don't believe that is possible, however if you used a gui tool like 'meld' that would be.

http://meld.sourceforge.net/

On it not being possible, after a quick google search I found this site that uses a hilight tool with diff:
http://www.debian-administration.org/articles/464
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LVL 13

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by:Superdave
Superdave earned 400 total points
ID: 33487596
Vim will also do that for you (with -d option or invoked as vimdiff)
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Author Comment

by:pmsguy
ID: 33487914
Thanks about the vimdiff, I knew that already.

I want to have the diff go to stdout so I can do easy automation via the command line.
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LVL 6

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by:jghelfman40
jghelfman40 earned 1200 total points
ID: 33489590
To the author:


Did you look at the debian url I had posted? That is what it does.
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Author Comment

by:pmsguy
ID: 33511075
The above solutions are good for editors.

However, I want the output to go to stdout and not an editor.

This way I can use a script to see process diffs and pipe to less.

Therefore, I am looking for a script to HIGHLIGHT the diff in the line, not the whole line.

vimdiff does this, but again, I want the output to go to stdout.
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LVL 2

Accepted Solution

by:
tmarques1000 earned 400 total points
ID: 33515896
Try colordiff  http://colordiff.sourceforge.net/

diff -Nau orig new | colordiff
diff orig new | colordiff
colordiff -Nau orig new
colordiff orig new

Try hidiff too: http://www.perlmonks.org/?node_id=648150
(need curses for perl, on debian: libcurses-perl)

hidiff orig new
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LVL 6

Assisted Solution

by:jghelfman40
jghelfman40 earned 1200 total points
ID: 33532583
My first comment with the url does exactly that. Pipe through something to stdout.
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