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#!/usr/bin/perl
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#======================================================================
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# E D I T P D 0
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# doc: Mon Nov 25 20:24:31 2013
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# dlm: Tue Nov 26 10:31:05 2013
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# (c) 2013 A.M. Thurnherr
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# uE-Info: 70 1 NIL 0 0 72 2 2 4 NIL ofnI
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#======================================================================
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# edit RDI PD0 file, e.g. to replace pitch/roll/heading with external values
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# HISTORY:
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# Nov 25, 2013: - created
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$0 =~ m{(.*)/[^/]+};
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require "$1/RDI_PD0_IO.pl";
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require "getopts.pl";
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$USAGE = "$0 @ARGV";
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die("Usage: $0 " .
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'-e) <edit-file> ' .
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"<input file> <output file>\n")
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unless (&Getopts('e:') && @ARGV == 2);
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die("$0: -e <edit-file> is required\n")
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unless (-r $opt_e);
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print(STDERR "Reading $ARGV[0]..."); # read data
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readData($ARGV[0],\%dta);
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print(STDERR "done\n");
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#----------------------------------------------------------------------
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print(STDERR "Editing according to <$opt_e>...");
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#--------------------------------------------------
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# INTERFACE
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# - example <edit_file> entry:
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# 162 p(3), r(4), h(3.14)
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#--------------------------------------------------
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sub p($) { $dta{ENSEMBLE}[$e]->{PITCH} = $_[0]; }
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sub r($) { $dta{ENSEMBLE}[$e]->{ROLL} = $_[0]; }
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sub h($) { $dta{ENSEMBLE}[$e]->{HEADING} = $_[0]; }
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#--------------------------------------------------
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# Main Routine
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#--------------------------------------------------
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open(EF,$opt_e) || die("$opt_e: $!\n");
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while (<EF>) {
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s/\#.*//;
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next if m/^\s+$/;
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my($ens,$expr) = m/^\s*(\d+)\s+(.*)$/;
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my($id) = ($expr =~ m/^([A-Z]+)\s/); # e.g. PITCH, ROLL, HEADING
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$expr = sprintf('$dta{ENSEMBLE}[$e]->{%s}',$id)
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if defined($id);
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push(@EE,$ens);
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push(@EX,$expr);
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}
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close(EF);
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for (local($e)=my($eei)=0; $e<@{$dta{ENSEMBLE}}; $e++) { # local() needed for p(), r(), h()
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if ($EE[$eei] == $dta{ENSEMBLE}[$e]->{NUMBER}) { # match => edit
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# print(STDERR "\n\@ens=$EE[$eei]: $EX[$eei]");
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# print(STDERR "\n\tp($dta{ENSEMBLE}[$e]->{PITCH}), r($dta{ENSEMBLE}[$e]->{ROLL}), h($dta{ENSEMBLE}[$e]->{HEADING})");
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eval($EX[$eei]) || die("$@ while executing <$EX[$eei]>\n");
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# print(STDERR "\n\tp($dta{ENSEMBLE}[$e]->{PITCH}), r($dta{ENSEMBLE}[$e]->{ROLL}), h($dta{ENSEMBLE}[$e]->{HEADING})...");
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} elsif ($EE[$eei] > $dta{ENSEMBLE}[$e]->{NUMBER}) { # next edit later in file => skip
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next;
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} else { # need next edit
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$eei++;
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last if ($eei >= @EE);
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redo;
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}
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}
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print(STDERR "done\n");
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#----------------------------------------------------------------------
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print(STDERR "Writing $ARGV[1]..."); # write data
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writeData($ARGV[1],\%dta);
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print(STDERR "done\n");
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exit(0);
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