png_suite.rb in sugar_png-0.5.0

- old
+ new

@@ -1,5 +1,6 @@
+#coding: binary
 module PNGSuite
   PNG_SUITE_URL = "http://www.schaik.com/pngsuite/PngSuite-2011apr25.tgz"
 
   class << self
     attr_accessor :dir
@@ -18,11 +19,11 @@
       puts "[.] fetching PNG test-suite from #{PNG_SUITE_URL} .. "
       data = open(PNG_SUITE_URL).read
 
       fname = File.join(dir, "png_suite.tgz")
       File.open(fname, "wb"){ |f| f<<data }
-      puts "[.] unpacking .. "
-      system "tar", "xzf", fname, "-C", dir
+      puts "[.] unpacking #{fname} .. "
+      system "tar", "xf", fname, "-C", dir
     end
 
     def each *prefixes
       Dir[File.join(dir,"*.png")].each do |fname|
         if prefixes.empty?