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#!/usr/bin/env perl
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use strict;
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use Getopt::Long;
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use POSIX;
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sub processArgs;
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sub printHelp;
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sub getRunList;
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sub countEvents;
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my %opt;
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Getopt::Long::Configure ("bundling");
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GetOptions (\%opt, "cutflow|c=s", "luminosity|l=s", "prefix|p=s", "weight|w=s", "xsection|x=s", "help|h");
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printHelp () if $opt{"help"} || !$opt{"prefix"};
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my $files = processArgs (\@ARGV);
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my %rootFiles;
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my %weights;
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my @weights;
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my $nGoodJobs = 0;
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my $nBadJobs = 0;
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my $counting = 0;
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my %exitCodes;
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my %signals;
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my %crossSections;
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my $integratedLuminosity = 10000;
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$integratedLuminosity = $opt{"luminosity"} if $opt{"luminosity"};
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my $cutFlow = "cutFlow";
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$cutFlow = $opt{"cutflow"} if $opt{"cutflow"};
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foreach my $file (@$files)
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{
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next if $file eq ".";
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next if $file eq "..";
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my $dir = $file;
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$dir =~ s/^(.*)\/[^\/]*$/$1/;
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if ($file =~ m/^.*\/condor_[^_]*\.log$/)
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{
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my $jobNumber = $file;
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$jobNumber =~ s/^.*\/condor_([^_]*)\.log$/$1/;
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open (FILE, "<$file");
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my @fileContents = <FILE>;
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close (FILE);
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my $fileContents = join ("", @fileContents);
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$fileContents =~ s/\n/ /g;
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if ($fileContents =~ m/return value/)
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{
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$fileContents =~ s/.*\(return value ([^)]*)\).*/$1/g;
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$nGoodJobs++;
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print "WARNING: Nonzero exit code for job $jobNumber. (return value $fileContents)\n" if $fileContents != 0;
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$exitCodes{$dir}{$jobNumber} = $fileContents;
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$counting = 1;
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}
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if ($fileContents =~ m/signal/)
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{
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$fileContents =~ s/.*\(signal ([^)]*)\).*/$1/g;
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$nBadJobs++;
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print "WARNING: Skipping job $jobNumber. (signal $fileContents)\n";
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$signals{$dir}{$jobNumber} = $fileContents;
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$counting = 1;
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}
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}
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if ($file =~ m/^.*\/crossSectionInPicobarn\.txt$/)
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{
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open (CROSS_SECTION, "<$file");
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my $crossSection = <CROSS_SECTION>;
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close (CROSS_SECTION);
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$crossSections{$dir} = $crossSection;
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}
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}
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foreach my $file (@$files)
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{
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next if $file eq ".";
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next if $file eq "..";
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my $dir = $file;
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$dir =~ s/^(.*)\/[^\/]*$/$1/;
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my $badJob = 0;
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if ($file =~ m/^.*_[^_]*\.root$/)
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{
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my $jobNumber = $file;
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$jobNumber =~ s/^.*_([^_]*)\.root$/$1/;
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$badJob = defined $signals{$dir} && defined $signals{$dir}{$jobNumber};
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}
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next if $badJob;
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if ($file =~ m/^.*\.root$/)
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{
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foreach my $arg (@ARGV)
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{
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if (substr ($file, 0, length ($arg)) eq $arg)
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{
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push (@{$rootFiles{$arg}}, $file);
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push (@weights, $opt{"weight"}) if $opt{"weight"};
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push (@weights, $opt{"xsection"} * $integratedLuminosity) if !$opt{"weight"} && $opt{"xsection"};
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push (@weights, $crossSections{$dir} * $integratedLuminosity) if !$opt{"weight"} && !$opt{"xsection"} && defined $crossSections{$dir};
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push (@weights, 1.0) if !$opt{"weight"} && !$opt{"xsection"} && !(defined $crossSections{$dir});
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$weights{$arg} = $weights[-1];
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}
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}
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}
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}
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if (!%rootFiles)
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{
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print "Found no ROOT files to merge!\n";
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exit;
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}
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my %nTotalEvents;
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my $nTotalEvents = 0;
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my @mergedFiles;
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my @mergedWeights;
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foreach my $arg (@ARGV)
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{
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my $rootFiles = join (" ", @{$rootFiles{$arg}});
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my $tmpName = $arg . "_" . "$opt{'prefix'}.root";
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$tmpName =~ s/\//_/g;
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system ("mergeTFileServiceHistograms -i $rootFiles -o $tmpName");
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my $count = countEvents ($tmpName, $cutFlow);
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system ("cutFlowLimits $tmpName");
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$nTotalEvents{$arg} = $count;
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$nTotalEvents += $count;
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push (@mergedFiles, "$tmpName");
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push (@mergedWeights, $weights{$arg} / $count);
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}
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my $mergedFiles = join (" ", @mergedFiles);
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my $mergedWeights = join (",", @mergedWeights);
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system ("mergeTFileServiceHistograms -i $mergedFiles -o $opt{'prefix'}.root -w $mergedWeights");
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foreach my $mergedFile (@mergedFiles)
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{
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unlink ("$mergedFile");
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}
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print "Weights:\n";
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foreach my $arg (keys %weights)
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{
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my $shortArg = $arg;
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$shortArg =~ s/^.*\/([^\/]*)$/$1/;
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printf " $shortArg: %.5g (%.5g pb)\n", $weights{$arg}, $weights{$arg} / $integratedLuminosity;
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}
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my $goodEvents = countEvents ("$opt{'prefix'}.root", $cutFlow);
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print "$nGoodJobs jobs ran successfully over $nTotalEvents ($goodEvents weighted) events.\n" if $counting;
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print "$nBadJobs jobs failed to run.\n" if $counting;
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sub
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processArgs
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{
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my $argv = shift;
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my @files;
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foreach my $arg (@$argv)
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{
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$arg =~ s/\/*$//;
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if (!(-e $arg))
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{
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print "$arg does not exist!\n";
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exit;
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}
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next if ($arg =~ m/\/\.$/ || $arg =~ m/\/\.\.$/);
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if (-d $arg)
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{
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opendir (DIR, $arg);
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my @dirContents = readdir (DIR);
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closedir (DIR);
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for (my $i = 0; $i < @dirContents; $i++)
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{
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$dirContents[$i] = "$arg/$dirContents[$i]";
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}
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my $newFiles = processArgs (\@dirContents);
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push (@files, @$newFiles);
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}
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else
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{
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push (@files, $arg);
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}
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}
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return \@files;
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}
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sub
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printHelp
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{
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my $exeName = $0;
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$exeName =~ s/^.*\/([^\/]*)$/$1/;
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print "Usage: $exeName [OPTION]... -p PREFIX DIRECTORIES_AND_FILES\n";
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print "Merges ROOT files containing histograms. If there are Condor logs in the\n";
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print "specified directories, checks for nonzero return values. If the directories\n";
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print "where created by \"osusub\", uses the cross section from the database to weight\n";
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print "all histograms.\n";
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print "\n";
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print "Mandatory arguments to long options are mandatory for short options too.\n";
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printf "%-29s%s\n", " -c, --cutflow HISTOGRAM", "name of histogram to use for the cutflow (default:";
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printf "%-29s%s\n", " ", "cutFlow)";
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printf "%-29s%s\n", " -h, --help", "print this help message";
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printf "%-29s%s\n", " -l, --luminosity", "integrated luminosity to which the histograms are";
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printf "%-29s%s\n", " ", "weighted (default: 10000/pb)";
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printf "%-29s%s\n", " -p, --prefix PREFIX", "output is named PREFIX.root";
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printf "%-29s%s\n", " -w, --weight WEIGHT", "scale the output by WEIGHT, overriding the";
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printf "%-29s%s\n", " ", "automatic weighting using the cross section from";
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printf "%-29s%s\n", " ", "the database";
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printf "%-29s%s\n", " -x, --xsection XSECTION", "use XSECTION to weight the histograms instead of";
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printf "%-29s%s\n", " ", "the value in the database";
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exit;
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}
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sub
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getRunList
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{
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my $runListFile = shift;
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open (RUN_LIST, "<$runListFile");
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my @runList0 = <RUN_LIST>;
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close (RUN_LIST);
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my @runList;
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foreach my $file (@runList0)
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{
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next if !($file =~ m/^.*file:.*\.root.*/);
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$file =~ s/.*file:(.*)\.root.*/$1.root/;
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push (@runList, $file);
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}
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return \@runList;
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}
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sub
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countEvents
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{
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my $file = shift;
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my $cutFlow = shift;
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my $output = `getEventsFromCutFlow $file $cutFlow`;
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if ($output =~ m/Did not find a histogram named/)
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{
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print $output;
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return -1;
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}
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$output =~ s/^.*: (.*)$/$1/;
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$output =~ s/\n//g;
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return $output;
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}
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