Simple script that creates various directories to test your $LS_COLORS setup

test_ls_colors.sh

#!/usr/bin/env bash
# Simple script that creates various directories to test your $LS_COLORS setup

set -euo pipefail

mkdir -p test
cd test

# File
touch FILE

# Executable file
touch EXECUTABLE
chmod +x EXECUTABLE

# Symlink
ln -sf FILE SYMLINK

# Directory
mkdir -p DIRECTORY

# Directory symlink
[ -e DIRECTORY ] || ln -sf DIRECTORY DIR-SYMLINK

# Hardlink
touch HARDLINK1
ln -f HARDLINK1 HARDLINK2

# Create a link to nowhere
ln -sf nowhere ORPHAN

# World-writable
mkdir -p WORLDWRITEABLE
chmod o+w WORLDWRITEABLE

# Create a pipe
[ -e PIPE ] || mkfifo PIPE

# Create a block device driver
[ -e BLK ] || sudo mknod BLK b 1 8

# Create a character device driver
[ -e CHR ] || sudo mknod CHR c 1 8

# Create a file that is setuid
touch SETUID
chmod u+s SETUID

# Create a file that is setgid
touch SETGID
chmod g+s SETGID

# Directory with the sticky bit set
mkdir -p STICKY
chmod +t STICKY

# Directory that is other-writable
mkdir -p OTHER_WRITABLE
chmod o+w OTHER_WRITABLE

# Directory that is sticky and other-writable
mkdir -p STICKY_OTHER_WRITABLE
chmod +t,o+w STICKY_OTHER_WRITABLE

# Supported extensions
sed -e '/^$/d' -e '/^[^\.\*]/d' -e 's/^\([^ ]\+\).*/\1/' "$HOME/.dircolors" |
	while read -r line; do
		case "${line:0:1}" in
			\*)
				touch ./DIRECTORY/"${line#\*}"
				;;
			\.)
				touch ./DIRECTORY/file"$line"
				;;
		esac
	done