Usage: frep [OPTIONS] input-file:[output-file] ...
or: frep [ --version | --help ]
Transform template file using environment, arguments, json/yaml files
Options:
-e, --env=value set variable name=value, can be passed multiple times
--json=string load variables from json object
--load=file load variables from json/yaml files
--overwrite overwrite if destination file exists
--testing test mode, output transform result to console
--delims={{:}} template tag delimiters
--version show version information
--help show this help