How to use file parameter in jenkins

Question

I am executing parameterised build in jenkins to count no. of lines in file which has 1 file parameter. Its file location is pqr. The name of the script file is

Answer 1

If it's to do with Free-Style job & if your configuration looks similar to this - https://i.stack.imgur.com/vH7mQ.png then you can run simply do sh linecount.sh ${pqr} to get what you are looking for?