From: Rolf Pedersen <rolfhsp@...>
Date: 2010-07-05T17:48:27+09:00
Subject: File data extraction

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Hi

I have a file with the following format (example):

Save Format v3.0(19990112)
@begin Libraries
 "felles.pbl" "";
@end;
@begin Objects
 "n_cst_xml_utils.sru" "felles.pbl";
 "n_melding.sru" "felles.pbl";
@end;

The data in the two begin/end blocks are lists, which may be longer than
shown.

I'd like to extract an array of the filenames (first quote) in the @begin
Objects ... @end; block.
For the example above this should return ["n_cst_xml_utils.sru",
"n_melding.sru"]

My initial idea was to treat the whole thing as one long string, and extract
the part within the being-end-block by using regexp, converting the result
back to individual lines (split '\n') and doing array.map and regexp to
single out the name in the first quote on each line.
But I keep hitting the wall, especially with the first step in this
approach... :o(

I know this should be easily done in a couple of lines of code, but I can't
get it right.

Appreciate any help!

Best regards,
Rolf

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