47 lines
712 B
Perl
Executable File
47 lines
712 B
Perl
Executable File
#!/usr/bin/env perl
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use strict;
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use warnings;
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$, = ' '; # set output field separator
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$\ = "\n"; # set output record separator
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my $doit = 1;
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my @input = <>;
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$_ = join '', @input;
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s/\\\n//sg; # delete continuations
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record:
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foreach my $record (split /\n/) {
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next if $record =~ /^$/;
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my @stuff = split /\s+/, $record;
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line:
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while ($_ = shift @stuff) {
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chomp; # strip record separator
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if (/^else$/) {
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$doit = 1;
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next line;
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}
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if (/^endif$/) {
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print "";
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$doit = 0;
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}
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if ($doit) {
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/:/ && ! m|^[^/]+\.o:$| && next record;
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/Makefile/ && next line;
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/auto\// || /:/ || next line;
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print $_." \\";
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}
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}
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print "";
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}
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