Create a PxrOSL VOP Node (note the operator name is pxrosl:2 to avoid clashing with the node shipped with houdini).

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Houdini).

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• File Path for the oso. Parameters and inputs loaded from this oso
• Source File Path for the osl. Will be compiled to File Path
• Compose osl in code block. 

Set RMAN_SHADERPATH environment variable to load oso files in path. These will be organized in TAB menu based on directory levels where they are saved.

• .oso shaders found in $RMAN_SHADERPATH are automatically converted to otls, and stored in $HOUDINI_USER_PREF_DIR/otls/rfh_osllib.hda