Add soft delete traits to every PHP file in a directory.

sed.sh

#!/usr/bin/env bash

sed -i 's/<?php\(.*\)/<?php\1\n\nuse Illuminate\Database\Eloquent\SoftDeletingTrait;/' *.php
sed -i 's/class \(.*\) {/class \1 {\n\n\tuse SoftDeletingTrait;/' *.php