SassWars

sassWars.sh

#!/usr/bin/env bash
#
# Approach:
# 1. Find variable declaration in the form of "$my-var: anyvalue"
# 2. Loop through found variables and find occurrences of each variable in all scss files

if [ -z "$1" ]; then
	echo "Please specify a directory as the first argument."
	exit 1
fi
if [ ! -d "$1" ]; then
	echo "Not a valid directory."
	exit 1
fi

echo "Finding unused variables. This might take some time..."

varNameChars='A-Za-z0-9_-'
vars=$(find "$1" -type f -name "*.scss" -exec grep -o "\$[$varNameChars]*:" {} \; | grep -o '[^:]*')
total=0
zero=0
one=0
other=0
for var in $vars; do 
    count=$(find "$1" -type f -name "*.scss" -exec grep -o " *$var.*" {} \; | wc -l)
		echo "Occurrences of $var:$count"
		echo "Occurrences of $var:$count" >> ./test.txt

		if (( $count == 2 )) ; then
    	((zero++))
		elif (( $count == 1 )) ; then
			((one++))
		else
			((other++))
		fi
		((total++))
done
echo "=================="
echo "Never used $zero"
echo "Used once $one"
echo "Used more than once $other"
echo "Total variables $total"
##Print to File
echo "==================">> ./test.txt
echo "Never used $zero">> ./test.txt
echo "Used once $one">> ./test.txt
echo "Used more than once $other">> ./test.txt
echo "Total variables $total">> ./test.txt