in reply to Re: How to write at immediate next line of detecting a particular pattern
in thread How to write at immediate next line of detecting a particular pattern

holy moly ... "wire", jeez I'm confused

anyway, See get n lines before or after a pattern, Re: modifying a file with regex!, perlintro, open, readline, rename, Re^5: Remove a Line, perlintro, open, close, readline, rename, Re: Rewriting into file, Re^2: Write to existing file with character insert

Modifying an existing file is three steps :)

  1. read old file
  2. create a new file
  3. rename new file to name of old file

perlintro covers all three steps, as does Modern Perl and http://learn.perl.org/books/beginning-perl/

Path::Tiny makes it even easier to work with paths

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