accessing db and executing SKILL from the Unix shell

I am trying to run some skill code to access db information from a bash script, but cannot get the script to run successfully.  Can anyone describe the proper way to perform a simple db access from a shell?

My attempt was somthing like this:

#!/bin/bash

./start_cadence_virtuoso -nograph < find_coords.il

(or alternatively include the skill code in the bash script, but neither format seems to work)

A simple find_coords.il skill script might look like this:

cv=dbOpenCellViewByType("mylib" "mycell" "layout")

foreach( inst cv~>instances

if(inst~>cellName == "specific_cell" then

printf("%L\n" inst~>xy) ; this would be printed to an output file or as needed once the script was functional

); if

); foreach

dbClose(cv)

exit