count hugo front matter params in a directory

featured.sh

#!/usr/bin/env bash

# grep
#	-i	case insensitive
#	-l	output file names only
#
#	Any line that begins with zero or more spaces
#	followed by word "featured"
#	followed by zero or more spaces
#	followed by ":"
#	followed by zero or more space
#	followed by true
#	followed by zero or more spaces
#	followed by end of the line

grep -il '^\s*featured\s*:\s*true\s*$' ./content/blog/*.md | wc -l