X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=code_ruby%2Flib%2Fmaasha%2Ffilesys.rb;h=02a8a842f1157a9824052c589795c1630580ff90;hb=HEAD;hp=4bb7b8f7d17fd4b88b90da6d64a0aa33be527d8d;hpb=2f0fd91b461033529a4a72e161bd133252a22eb6;p=biopieces.git

diff --git a/code_ruby/lib/maasha/filesys.rb b/code_ruby/lib/maasha/filesys.rb
index 4bb7b8f..02a8a84 100644
--- a/code_ruby/lib/maasha/filesys.rb
+++ b/code_ruby/lib/maasha/filesys.rb
@@ -22,8 +22,7 @@
 
 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
 
-require 'zlib'
-require 'bzip2'
+require 'open3'
 
 # Error class for all exceptions to do with Filesys.
 class FilesysError < StandardError; end
@@ -49,9 +48,9 @@ class Filesys
     if mode == 'w'
       case options[:compress]
       when :gzip
-        ios = Zlib::GzipWriter.new File.open(file, mode, options)
+        ios, = Open3.pipeline_w("gzip -f", out: file)
       when :bzip, :bzip2
-        ios = Bzip2::Writer.new File.open(file, mode, options)
+        ios, = Open3.pipeline_w("bzip2 -c", out: file)
       else 
         ios = File.open(file, mode, options)
       end
@@ -59,13 +58,15 @@ class Filesys
       if file == '-'
         ios = STDIN
       else
-        case `file #{file}`
+        case `file -Lk #{file}`
         when /gzip/
-          ios = Zlib::GzipReader.new File.open(file, mode, options)
+          ios = IO.popen("gzip -cd #{file}", :external_encoding=>"EUC-JP")
         when /bzip/
-          ios = Bzip2::Reader.new File.open(file, mode, options)
-        else
+          ios = IO.popen("bzcat #{file}")
+        when /ASCII/
           ios = File.open(file, mode, options)
+        else
+          raise "Unknown file type: #{`file -L #{file}`}"
         end
       end
     end