diff --git a/obi_completion_script.sh b/obi_completion_script.sh
new file mode 100755
index 0000000..9785cc5
--- /dev/null
+++ b/obi_completion_script.sh
@@ -0,0 +1,26 @@
+#/usr/bin/env bash
+
+_obi_comp ()
+{
+	local cur prev
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+	if [ "${#COMP_WORDS[@]}" = "2" ]; then
+		COMPREPLY=($(compgen -W "align alignpairedend annotate build_ref_db clean_dms clean count ecopcr ecotag export grep head history import less ls ngsfilter sort stats tail test uniq" "${COMP_WORDS[1]}"))
+	else
+		if [[ "$cur" == *VIEWS* ]]; then
+			COMPREPLY=($(compgen -o plusdirs -f -X '!*.obiview' -- "${COMP_WORDS[COMP_CWORD]}"))
+		elif  [[ -d $cur.obidms ]]; then
+			COMPREPLY=($(compgen -o plusdirs -f $cur.obidms/VIEWS/ -- "${COMP_WORDS[COMP_CWORD]}"), $(compgen -o plusdirs -f -X '!*.obidms/' -- "${COMP_WORDS[COMP_CWORD]}"))
+		elif [[ "$cur" == *obidms* ]]; then
+			COMPREPLY=($(compgen -o plusdirs -f $cur/VIEWS/ -- "${COMP_WORDS[COMP_CWORD]}"))
+    	else
+			COMPREPLY=($(compgen -o plusdirs -f -X '!*.obidms/' -- "${COMP_WORDS[COMP_CWORD]}"))
+		fi
+		if [[ "$prev" == import ]]; then
+			COMPREPLY+=($(compgen -f -- "${COMP_WORDS[COMP_CWORD]}"))
+		fi
+	fi
+}
+
+complete -o nospace -F _obi_comp obi