': not a valid identifier

Question

I have removed the two if statements from before and replaced them with a case statement and tried to remove all the error from the code. I am trying to run this code but i

Answer 1

Replace #!/bin/sh with #!/bin/bash.

Replace elif[ with elif [.

Add a fi line above the elif line.

Add a then line below the elif line.

Replace -gt with -ge.

Replace -lt with -le.

Having done this your o variable may still end up empty, but you can debug that by adding echo +"$x-$n-$p".