I hope questions about 'diff' and 'vim' are on topic in this
newsgroup. If not, please suggest a more appropriate group.
Is there a way, using diff, to display only the lines in text file
'a', let's call it a.txt, that match lines in text file 'b', b.txt?
Specifically, I want is to find all lines in a.txt that match any of
the following three groups of lines in b.txt:
1-0
[Event "ICC"]
0-1
[Event "ICC"]
1/2-1/2
[Event "ICC"]
Occurrences in a.txt, such as:
1-0
[Event "ICC"]
should not match because there is an intervening blank line.
I have tried experimenting with the "--line-format" switch, such as
"--old-line-format=%=" ("%=" should match common lines). But while I
think I'm on the right track, I get screens of wall-to-wall "%=%=%=".
Also, if anyone knows how I can accomplish this easily with vim, that
would even be better. But I have never been able to figure out how
to include end-of-lines or blank-lines in vim searches.
Or maybe I have to use some other tools?
Anybody?
--
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_/ Everything should be made as simple as possible, but not simpler.
_/ -- Albert Einstein
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