Re: [PATCH v2 0/2] Fix syntax-check on macOS/FreeBSD

[Bruno Haible]

Roman Bolshakov wrote:
> - added /dev/null as an extra file for uniform grep output regardless of
>   number of files. The file isn't added if grep invocation has "-L" flag

Good point. And likewise, you don't need to add a /dev/null argument
when the grep invocation has a '-l' option (because in this case, the
output of
  grep -l OPTIONS FILE
and
  grep -l OPTIONS /dev/null FILE
is the same).

Bruno