1 files changed, 5 insertions, 13 deletions
diff --git a/duplicates b/duplicates
index c75194c..5a92348 100755
--- a/duplicates
+++ b/duplicates
@@ -3,23 +3,15 @@
 dir = ARGV[0]
 a = `find #{dir} -type f`.split "\n"
 
-md5cmd = "md5sum"
-os = `uname`.strip
-if os == "Darwin"
-  md5cmd = "md5"
-end
+hashcmd = "sha1sum"
 
 h = {}
 a.each { |fn|
-  if os == "Darwin"
-    md5 = `#{md5cmd} "#{fn}" | cut -d "=" -f2`.lstrip.strip
+  hash = `#{hashcmd} "#{fn}" | cut -d " " -f1`.strip
+  if h.has_key? hash
+    h[hash] << fn
   else
-    md5 = `#{md5cmd} "#{fn}" | cut -d " " -f1`.strip
-  end
-  if h.has_key? md5
-    h[md5] << fn
-  else
-    h[md5] = [fn]
+    h[hash] = [fn]
   end
 }