in reply to Re: diff not working as it should
in thread diff not working as it should


Yes, you've got my point there at the end of your response.
I just want the one line with the asterisk to show (and the header at the top with the file names and dates). I want the other two lines (after the asterisk line) that are identical not to appear in the output. You mentioned I could do that by '... changing the format...'. How does one do that?
Cheers!

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Re^3: diff not working as it should
by pvaldes (Chaplain) on Dec 23, 2011 at 17:44 UTC
    Play with the STYLE option, or simply apply a grep or a regexp m!(^\|\||^\*)! to the output line by line
[reply]
      Not seeing much on the STYLE option.
      I can use the regex m/(^\*)/ and that gives me what I need for the most part.
      But where in the code can I use this regex? That is, can it be used as part of the diff command, as in { sub (m/(^\*)/) } ? (yes, I know this is not syntactically correct but you get the idea.)
      Cheers!
[reply]

        you have two lines of code, so it should be easy to choose... start just in the third line

        open the output file
enter a loop reading line by line
print only the matching lines
close and reopen 
send it again to the file
and you have it.

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