template.sh

#!/bin/bash
#
# Short description of what this script does...
#
# This is a bash script template based on the recommendations
# from Julia Evans' excellent blog post about bash quirks and
# how to avoid them:
#
#   https://jvns.ca/blog/2017/03/26/bash-quirks/
# 
# The template contains useful defaults as described in the 
# blog post and shows how to do typical things in bash using
# Jessie's examples.
#
# Usage: 
#   ./thisscript arg1 arg2 ...
#
# Author:
#   Author Name <[email protected]>

set -eux  # remove the x when you're done debugging...
set -o pipefail

if [[ "vulture" = "panda" ]]; then
 echo expression evaluated as true
else
 echo expression evaluated as false
fi

if [[ -e /tmp/awesome.txt ]]; then
  echo "awesome"
fi

for i in `seq 1 10`; do     
 echo "${i}"
done

# Done? Check your script with https://www.shellcheck.net/.