first commit

external/packages/raspi/scripts/remove-comments.sed

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+# Deletes comments and collapses whitespace in ##-packages files
+
+# Append (N)ext line to buffer
+# if (!)not ($)buffer is EOF, (b)ranch to (:)label loop
+:loop
+N
+$ !b loop
+
+# Buffer is "line1\nline2\n...lineN", del comments and collapse whitespace
+s/#[^\n]*//g
+s/[[:space:]]\{1,\}/ /g