Python’s new template ... We can accomplish the same with template strings and more besides: from string.templatelib import Template, Interpolation import urllib.parse import html def clean ...

while [[ 1 == 1 ]]; do # Parse template sed -re "s/\\\$time/`date +%Y-%m-%d:%H:%M:%S`/g" </etc/uv4l/text_template.json >${file} # Update overlay text v4l2-ctl --set ...