--- /dev/null
+#!/usr/bin/env ruby
+
+# Copyright (C) 2007-2011 Martin A. Hansen.
+
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# http://www.gnu.org/copyleft/gpl.html
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+# This program is part of the Biopieces framework (www.biopieces.org).
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> DESCRIPTION <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+# Order records so SEQ_NAME/1 and SEQ_NAME/2 are in the order.
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+
+require 'maasha/biopieces'
+require 'pp'
+
+options = Biopieces.options_parse(ARGV)
+
+hash1 = {}
+hash2 = {}
+
+Biopieces.open(options[:stream_in], options[:stream_out]) do |input, output|
+ input.each_record do |record|
+ if record[:SEQ_NAME]
+ name = record[:SEQ_NAME][0 ... -2].to_sym
+ pair = record[:SEQ_NAME][-1].to_i
+
+ if pair == 1
+ if hash2.has_key? name
+ output.puts record
+ output.puts hash2[name]
+
+ hash2.delete(name)
+ else
+ hash1[name] = record
+ end
+ elsif pair == 2
+ if hash1.has_key? name
+ output.puts hash1[name]
+ output.puts record
+
+ hash1.delete(name)
+ else
+ hash2[name] = record
+ end
+ else
+ $stderr.puts "WARNING: Badly formatted name: #{record[:SEQ_NAME]}" if options[:verbose]
+ end
+ end
+ end
+end
+
+if options[:verbose]
+ $stderr.puts "Unmatched names with /1: #{hash1.size}"
+ $stderr.puts "Unmatched names with /2: #{hash2.size}"
+end
+
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+
+__END__
--- /dev/null
+SCORES: ffeaffd`ce`eecccKLT`bT^]bYHV^BBBBBBBBBBBBBBBBBBBBB
+SEQ: GGGTCCGCTCCTTTCGCTAGCNGGGGACGCGGGGGGCTGAGGGGNNACGC
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1040:5263#TTAGGC/1
+---
+SCORES: BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
+SEQ: NNNNNGNNNNNNNTANACNNNNTNNNNNNNANNNNGNNNNNCNNNNNGNN
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1040:5263#TTAGGC/2
+---
+SCORES: BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
+SEQ: NNNNNNNNGGNNCNANNANNNNGTNNNTNGNANNNNCNNANTTGNNNNNN
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1041:14486#TTAGGC/2
+---
+SCORES: db`dadddddeeeeedeeeeccdddfffffcdaddbac`d_BBBBBBBBB
+SEQ: GGGAGGGGGGCGGGCCAGGNTNCGGTTTTTCTCATAGATCCCCCTAGGGG
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1043:19446#TTAGGC/1
+---
+SCORES: BBBBGSSNONdddddBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
+SEQ: NANNNNNNNCANNNTCAANNNGCACNGGGTNATNNCNATTCNNNCGNCTN
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1043:19446#TTAGGC/2
+---
+SCORES: ffffcfffffded^eddddddbdcdeedcefecfefdffecabccBB`b`
+SEQ: CCNAGGAGGAGNCAATAAGAGACCATTCGTATATGATCTCTCAGGAGAGC
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1044:7943#TTAGGC/1
+---
+SCORES: ceceeee\e``cd^^Yb`b`cc``c\accccZT`YTbYb`Y\VZYBBa\Y
+SEQ: GCCGAGTAGCGTTCNTGGNTACCTTCCGATCCGCGGCCCGCCCCCTGTCT
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1045:16499#TTAGGC/1
+---
+SCORES: BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
+SEQ: AANAANANCTNCNNANCGNCGGTTTCGTNANNANNGGTTCGCANCGNNNC
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1045:16499#TTAGGC/2
+---
--- /dev/null
+SCORES: ffeaffd`ce`eecccKLT`bT^]bYHV^BBBBBBBBBBBBBBBBBBBBB
+SEQ: GGGTCCGCTCCTTTCGCTAGCNGGGGACGCGGGGGGCTGAGGGGNNACGC
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1040:5263#TTAGGC/1
+---
+SCORES: BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
+SEQ: NNNNNGNNNNNNNTANACNNNNTNNNNNNNANNNNGNNNNNCNNNNNGNN
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1040:5263#TTAGGC/2
+---
+SCORES: db`dadddddeeeeedeeeeccdddfffffcdaddbac`d_BBBBBBBBB
+SEQ: GGGAGGGGGGCGGGCCAGGNTNCGGTTTTTCTCATAGATCCCCCTAGGGG
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1043:19446#TTAGGC/1
+---
+SCORES: BBBBGSSNONdddddBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
+SEQ: NANNNNNNNCANNNTCAANNNGCACNGGGTNATNNCNATTCNNNCGNCTN
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1043:19446#TTAGGC/2
+---
+SCORES: ceceeee\e``cd^^Yb`b`cc``c\accccZT`YTbYb`Y\VZYBBa\Y
+SEQ: GCCGAGTAGCGTTCNTGGNTACCTTCCGATCCGCGGCCCGCCCCCTGTCT
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1045:16499#TTAGGC/1
+---
+SCORES: BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
+SEQ: AANAANANCTNCNNANCGNCGGTTTCGTNANNANNGGTTCGCANCGNNNC
+SEQ_LEN: 50
+SEQ_NAME: ILLUMINA-52179E_0004:2:1:1045:16499#TTAGGC/2
+---
--- /dev/null
+#!/bin/bash
+
+source "$BP_DIR/bp_test/lib/test.sh"
+
+run "$bp -I $in -O $tmp"
+assert_no_diff $tmp $out.1
+clean