iMovie cut frames

cutframes.sh

#!/bin/bash
set -o errexit -o pipefail -o nounset

# usage ./cutframes.sh "2000-01-01" "second line" "third line" prefix-
line1=$1
line2=$2
line3=$3
prefix=$4

size=1920x1080

for num in 1 2 3 4; do
	text="${line1}\n${line2}\n${line3}\n${num} of 4"
	file="${prefix}${num}of4.png"
	convert -size $size xc:black \
		-fill white \
		-font Courier \
		-pointsize 96 \
		-gravity West \
		-annotate +400+0 "$text" \
		$file
done