#! /bin/bash

## Marks the last available simulation by changing the last parameter
## executed from a parameter file to 1. It returns the whole parameter
## line to be used by genesis.

## TODO: use locking here

paramfile=$1

echo -e '/ 0$\ns/ 0$/ 1/\nw\nq\n' | ed $paramfile 2>&1 | head -3 | tail -1