append

#!/usr/bin/env sh
#
# Script name: append
# Description: A bash script for appending a line text to a file
# Dependencies: coreutils
# GitHub: https://www.github.com/pchstpch/myminiutils
# License: https://www.github.com/pchstpch/LICENSE
# Contributers: Derek Taylor, Muneeb Mennad
#
# Set w/ the flags "-e", "-u", "-o pipefail" cause the script to
# fail if certain things happen, which is a good thing. Otherwise
# we can get hidden bugs that are hard to discover.
set -euo pipefail

# Check if a filename argument is provided
if [ "$#" -ne 1 ]; then
	echo "Usage: append <filename>"
	exit
fi

blue="$(tput setaf 4 bold)"
green="$(tput setaf 2 bold)"
reset="$(tput sgr0)"


filename="$1"

# 'read -e' gets user input with readline support
# -p sets the prompt
# -r prevents backslash escapes from being interpreted
echo "Enter text to append to file ${blue}$filename${reset}:"
read -e -r -p "${blue}>>>${reset} " input_text

# Append the entered text followed by a newline to the file
echo "$input_text" >> "$filename"
echo "${green}✓${reset} Text successfully appended!"