Scan for LLL keys that are not being directly accessed (anymore)

.bashrc

# Scan for LLL keys that are not being directly accessed (anymore)
# Called like this: t3-lll-scan packages/my_ext/*.xlf
t3-lll-scan() {
	files=$(git ls-files $1)
	for file in $files
	do
		echo "Processing file: $file"
		labels=$(sed -n -e 's/^\s\+<trans-unit id="\([^"]\+\)".\+$/\1/p' $file)
		for label in $labels
		do
			# -q           => be quiet!
			# -- '"!*.xlf' => ignore xlf files!
			git grep -q "$label" -- ':!*.xlf'
			if [ $? -gt 0 ]; then
				echo "- No usage of label: $label"
			fi
		done
	done
}