Implemented suggestions for shell script

docs/example/oc-network-instance/generate_bindings.sh

@@ -1,10 +1,10 @@
 #!/bin/bash
-SDIR="$(cd -P "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SDIR="$(cd -P "$(dirname "$[0]")" && pwd)"
 DDIR=$SDIR/models
 mkdir $DDIR
 
 git clone https://github.com/openconfig/public $DDIR
 export PYBINDPLUGIN=`/usr/bin/env python3 -c 'import pyangbind; import os; print ("{}/plugin".format(os.path.dirname(pyangbind.__file__)))'`
-pyang --plugindir $PYBINDPLUGIN -f pybind -o binding.py docs/example/oc-network-instance/models/release/models/network-instance/openconfig-network-instance.yang -p ./docs/example/oc-network-instance/models/release/models/
-
+pyang --plugindir $PYBINDPLUGIN -f pybind -o $SDIR/binding.py -p $DDIR/ $DDIR/release/models/network-instance/openconfig-network-instance.yang
 echo "bindings.py successfully generated on current directory!"
+rm -rf $DDIR