ERROR: Filename or input pipe required

Commandline: moar 
Environment: MOAR=""

Usage:
  moar [options] <file>
  ... | moar
  moar < file

Shows file contents. Compressed files will be transparently decompressed.

Environment:
  Additional options are read from the MOAR environment variable if set.
  But currently, the MOAR environment variable is not set.

Options:
  -colors string
    	Highlighting palette size: 8, 16, 256, 16M (default "16M")
  -debug
    	Print debug logs after exiting
  -no-linenumbers
    	Hide line numbers on startup, press left arrow key to show
  -style string
    	Highlighting style from https://xyproto.github.io/splash/docs/longer/all.html (default "native")
  -trace
    	Print trace logs after exiting
  -version
    	Prints the moar version number
  -wrap
    	Wrap long lines

To make Moar your default pager, put the following line in
your .bashrc or .bash_profile and it will be default in all
new terminal windows:
   export PAGER=/usr/ports/mystuff/sysutils/moar/moar