diff --git a/cmd/obitools/obiconvert/main.go b/cmd/obitools/obiconvert/main.go
index 8dab176..f0e0e70 100644
--- a/cmd/obitools/obiconvert/main.go
+++ b/cmd/obitools/obiconvert/main.go
@@ -9,9 +9,9 @@ import (
 )
 
 func main() {
-	option_parser := obioptions.GenerateOptionParser(obiconvert.OptionSet)
+	optionParser := obioptions.GenerateOptionParser(obiconvert.OptionSet)
 
-	_, args, _ := option_parser(os.Args)
+	_, args, _ := optionParser(os.Args)
 
 	fs, _ := obiconvert.ReadBioSequences(args...)
 	obiconvert.WriteBioSequences(fs)
diff --git a/cmd/obitools/obicount/main.go b/cmd/obitools/obicount/main.go
index 43876b5..f945200 100644
--- a/cmd/obitools/obicount/main.go
+++ b/cmd/obitools/obicount/main.go
@@ -28,12 +28,12 @@ func main() {
 	trace.Start(ftrace)
 	defer trace.Stop()
 
-	option_parser := obioptions.GenerateOptionParser(
+	optionParser := obioptions.GenerateOptionParser(
 		obiconvert.InputOptionSet,
 		obicount.OptionSet,
 	)
 
-	_, args, _ := option_parser(os.Args)
+	_, args, _ := optionParser(os.Args)
 
 	fs, _ := obiconvert.ReadBioSequences(args...)
 	nread := 0
diff --git a/cmd/obitools/obifind/main.go b/cmd/obitools/obifind/main.go
index 87ff582..5ff44ff 100644
--- a/cmd/obitools/obifind/main.go
+++ b/cmd/obitools/obifind/main.go
@@ -9,9 +9,9 @@ import (
 )
 
 func main() {
-	option_parser := obioptions.GenerateOptionParser(obifind.OptionSet)
+	optionParser := obioptions.GenerateOptionParser(obifind.OptionSet)
 
-	_, args, _ := option_parser(os.Args)
+	_, args, _ := optionParser(os.Args)
 
 	//prof, _ := os.Create("obifind.prof")
 	//pprof.StartCPUProfile(prof)
diff --git a/cmd/obitools/obipairing/main.go b/cmd/obitools/obipairing/main.go
index 0644c05..0cbbeba 100644
--- a/cmd/obitools/obipairing/main.go
+++ b/cmd/obitools/obipairing/main.go
@@ -28,9 +28,9 @@ func main() {
 	// trace.Start(ftrace)
 	// defer trace.Stop()
 
-	option_parser := obioptions.GenerateOptionParser(obipairing.OptionSet)
+	optionParser := obioptions.GenerateOptionParser(obipairing.OptionSet)
 
-	option_parser(os.Args)
+	optionParser(os.Args)
 	pairs, _ := obipairing.IBatchPairedSequence()
 	paired := obipairing.IAssemblePESequencesBatch(pairs, 2, 50, 20, true)
 	written, _ := obiformats.WriteFastqBatchToStdout(paired)
diff --git a/cmd/obitools/obipcr/main.go b/cmd/obitools/obipcr/main.go
index 29f3c75..a070e2e 100644
--- a/cmd/obitools/obipcr/main.go
+++ b/cmd/obitools/obipcr/main.go
@@ -24,9 +24,9 @@ func main() {
 	// trace.Start(ftrace)
 	// defer trace.Stop()
 
-	option_parser := obioptions.GenerateOptionParser(obipcr.OptionSet)
+	optionParser := obioptions.GenerateOptionParser(obipcr.OptionSet)
 
-	_, args, _ := option_parser(os.Args)
+	_, args, _ := optionParser(os.Args)
 
 	sequences, _ := obiconvert.ReadBioSequencesBatch(args...)
 	amplicons, _ := obipcr.PCR(sequences)