Bash - extract an indented code block into new file

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                          I have a bunch of [LilyPond](http://www.lilypond.org)  files in the following format:
 
    \score {
      \new StaffGroup = "" \with {
        instrumentName = \markup { \bold \huge \larger "1." }
      }
      >
      \layout {}
      \midi {}
    }

How would one extract the \relative c {...} block into a new file, so it would look like this:


    \relative c {
      \clef bass
      \key c \major
      \time 3/4

      \tuplet 3/2 4 {
        c8(\downbow\f b c e g e)
      } c'4                                         | %01
      \tuplet 3/2 4 {c,8( b c e f a) } c4           | %02
      \tuplet 3/2 4 { g,8( d' f g f d) } b'4        | %03
    }

A fix of the indentation is not necessarily needed in this case. Would that be an awk or csplit task? What would it look like? 

                        

Asked by nath (6094 rep)

Dec 1, 2019, 08:24 PM
Last activity: Dec 2, 2019, 01:13 AM

Bash - extract an indented code block into new file

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