[lang-ref] ( string_count_occurrence ) ( bash )

@test "string count occurrence" {
	# grep -oF ".." | wc -l
	text="I have a pen."

	ct=$(printf "$text" | grep -oF 'e' | wc -l)
	[ "$ct" -eq 2 ]

	ct=$(printf "$text" | grep -oF 'have' | wc -l)
	[ "$ct" -eq 1 ]
}