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Re: diff command

by ikegami (Pope)
on Mar 31, 2011 at 19:53 UTC ( #896721=note: print w/replies, xml ) Need Help??


in reply to diff command

Fix what?

Replies are listed 'Best First'.
Re^2: diff command
by bjohn (Initiate) on Mar 31, 2011 at 19:55 UTC
    I do not understand what this means. 0a1,4 means and how to make the output files identical

      I do not understand what this means. 0a1,4 means

      "a" denotes an addition. "d" denotes a deletion. The numbers on the left form a range of line numbers in file1. The numbers on the right form a range of line numbers in file2.

      and how to make the output files identical

      Some options:

      cp file1 file2
      cp file2 file1
      truncate -s 0 file1 file2

        PerlMonks really needs a rating system like /. I would sooo cast my votes to mod up that reply funny. Thanks :)

      From man diff:
      These lines resemble ed subcommands to convert file1 into file2.
      See man ed

      I prefer the unified diff format, it is usually easier to read than the traditional format. You can get that format with the -u parameter, i.e. diff -u old new (at least with GNU diff).

      Alexander

      --
      Today I will gladly share my knowledge and experience, for there are no sweeter words than "I told you so". ;-)

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