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I have triplicate simulations of several homologs of a protein. The goal is to compare the structures at certain time ranges across all simulations and record statistics (avg, min, stddev of RMSD) in different subgroups. Oh, and over different zones for alignment. I imagine almost every protein simulation group has written something similar at one point or another, and now it's my turn. :)

Right not the code is very specific for my situation, but I'm planning to generalize it for my lab after I understand the results a little better. I don't know if it would generalize well past that... over half the code is just parsing through which PDBs I have, giving them titles, organizing timepoints, etc... The part that deals with profit is basically one loop and one subroutine.

I'll be happy to email a copy to you if you're interested, but I don't think you'll find it very enlightening. Here's the core subroutine. $filets are lists of PDBs to be compared. $ranges are the zones to use corresponding to each set. All the hard stuff is the bookkeeping, which will sadly be very user dependent.
sub blast_filets { my ($PF_READ, $PF_WRITE); my $pid = open2($PF_READ, $PF_WRITE, $PROFIT) or die "Couldn't open pipe to profit. $!"; my $filets1 = $_[0]; my $filets2 = $_[1]; my $range1 = $_[2]; my $range2 = $_[3] || $range1; my @rmsd = (); my $count = 0; if ( @$range1 != @$range2 ) { die "Ranges do not have equivalent zone sizes."; } foreach my $f1 ( @$filets1 ) { print "REFERENCE $f1\n" if $VERBOSE >= 3; print $PF_WRITE "REFERENCE $f1\n"; foreach my $f2 ( @$filets2 ) { if ( $VERBOSE >= 3 ) { print "MOBILE $f2\n"; print "ZONE CLEAR\n"; print "ATOMS CA\n"; foreach my $i ( 0..$#$range1 ) { print "ZONE $range1->[$i][0]-$range1->[$i][1]" . ":$range2->[$i][0]-$range2->[$i][1]\n"; } print "FIT\n"; } print $PF_WRITE "MOBILE $f2\n"; print $PF_WRITE "ZONE CLEAR\n"; print $PF_WRITE "ATOMS CA\n"; foreach my $i ( 0..$#$range1 ) { print $PF_WRITE "ZONE $range1->[$i][0]-$range1->[$i][1]" . ":$range2->[$i][0]-$range2->[$i][1]\n"; } print $PF_WRITE "FIT\n"; print $PF_WRITE "\n\n\n\n\n\n\n\n\n\n"; } } print $PF_WRITE "QUIT\n"; my $result ; #print "Reading results\n"; while ( defined ($result = readline($PF_READ))) { #print "RESULT = $result\n" if $VERBOSE >= 2; if ($result =~ /RMS: ([\d\.]+)/m) { #print "Rmsd = $1\n"; push @rmsd, $1; $count++; } elsif ( $result =~ /Error/i ) { print "Error: $result\n"; } } my $result_wait = waitpid($pid, 0); if ( $result_wait != $pid ) { die "Waitpid returned $result_wait instead of $pid. $?."; } #print "DONE WITH RMSD\n"; my ( $rmsd, $stddev ) = Utility::Mean_and_Stddev (@rmsd); return ($rmsd, $stddev, $count, \@rmsd); }

In reply to Re^2: open3 buffering in linux vs. os x by Lexicon
in thread open3 buffering in linux vs. os x by Lexicon

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