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Red Hat Bugzilla – Attachment 595944 Details for
Bug 837296
inverted index: reduce size of postings file
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simple parser of inverted index postings file
postings.pl (text/plain), 587 bytes, created by
Paul Bolle
on 2012-07-03 11:54:58 UTC
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Description:
simple parser of inverted index postings file
Filename:
MIME Type:
Creator:
Paul Bolle
Created:
2012-07-03 11:54:58 UTC
Size:
587 bytes
patch
obsolete
>use 5.014; >use warnings; >use autodie; > >exit main ( @ARGV ); > >sub parse_postings { > my ($postings) = @_; > > until (eof( $postings )) { > read( $postings, my $rec, 24 ); > my $line = unpack( "Q<", substr( $rec, 0, 8 )); > my $func = unpack( "Q<", substr( $rec, 8, 8 )); > my $path = unpack( "L<", substr( $rec, 16, 4 )) & 0xffffff; > # $mark should be at least ' ' (0x20) > my $mark = unpack( "C" , substr( $rec, 19, 1 )); > say "$line:$func:$path:$mark"; > } >} > >sub main { > my ($path) = @_; > > open( my $postings, '<', $path ); > parse_postings( $postings ); > close( $postings ); > > 0; >}
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bug 837296
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