Dogcows Code - chaz/openbox/blob - po/insert-header.sin

   1 # Sed script that inserts the file called HEADER before the header entry.
   2 #
   3 # At each occurrence of a line starting with "msgid ", we execute the following
   4 # commands. At the first occurrence, insert the file. At the following
   5 # occurrences, do nothing. The distinction between the first and the following
   6 # occurrences is achieved by looking at the hold space.
   7 /^msgid /{
   8 x
   9 # Test if the hold space is empty.
  10 s/m/m/
  11 ta
  12 # Yes it was empty. First occurrence. Read the file.
  13 r HEADER
  14 # Output the file's contents by reading the next line. But don't lose the
  15 # current line while doing this.
  16 g
  17 N
  18 bb
  19 :a
  20 # The hold space was nonempty. Following occurrences. Do nothing.
  21 x
  22 :b
  23 }