Houdini_read_text_file

import os
import hou
node = hou.pwd()
geo = node.geometry()

# Add code to modify contents of geo.
# Use drop down menu to select examples.
fileParm = node.parm("txt").evalAsString()
attrName = node.parm("attr").evalAsString()
with open(fileParm, 'r') as f:
    lines = f.read().splitlines()   # Read lines
f.close()
Attrib = geo.addAttrib(hou.attribType.Point, attrName, "")
for line in lines:
    pt=geo.createPoint()
    pt.setAttribValue(Attrib, line)