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-rw-r--r--lib/utils.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/utils.rb b/lib/utils.rb
index 88b8347..f6f8a4a 100644
--- a/lib/utils.rb
+++ b/lib/utils.rb
@@ -400,7 +400,7 @@ module OpenTox
index_smi = master[0].index("SMILES")
master.map {|i| i.delete_at(index_smi)} if index_smi
master[0][0] = "SMILES"
- ambit_ids=master[0].collect
+ ambit_ids=master[0].collect {|header| header.to_s.gsub(/[\/.\\\(\)\{\}\[\]]/,"_")}
ambit_ids.shift
end