A simple bash script that checks for the existence of specified files:

file-check.bash

#!/bin/bash

# Define the list of file paths
filelist=(
  "config/database.yml"
  "config/setting.yml"
  "config.yml"
)

# Check for the existence of each file
for file in "${filelist[@]}"
do
  if [ -e "$file" ]
  then
    echo "$file exists."
  else
    echo "$file does not exist."
  fi
done