--- /dev/null
+#!/usr/bin/env ruby
+
+# Copyright (C) 2007-2010 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 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+# Analyze sequences in the stream.
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+
+require 'maasha/biopieces'
+require 'maasha/seq'
+
+casts = []
+
+options = Biopieces.options_parse(ARGV, casts)
+
+Biopieces.open(options[:stream_in], options[:stream_out]) do |input, output|
+ input.each_record do |record|
+ if record[:SEQ]
+ seq = Seq.new(record[:SEQ_NAME], record[:SEQ], record[:SEQ_TYPE], record[:SCORE])
+ comp = seq.composition
+
+ comp.each_pair do |key,val|
+ record["RES[#{key}]"] = val
+ end
+
+ record["SOFT_MASK%"] = seq.soft_mask
+ record["HARD_MASK%"] = (comp["N"].to_f / (seq.len - seq.indels).to_f * 100.0).round(2)
+ record["GC%"] = ((comp["G"] + comp["C"]).to_f / (seq.len - seq.indels).to_f * 100.0).round(2)
+ end
+
+ output.puts record
+ end
+end
+
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+
+__END__