On Wed, 13 Dec 2023 21:17:05 -0500
Greg Wooledge <g...@wooledge.org> wrote:
> On Wed, Dec 13, 2023 at 08:50:48PM -0500, Zachary Santer wrote:
> > Would there be a purpose in implementing ${< *file*; } to be the equivalent
> > of $(< *file* )? Does $(< *file* ) itself actually fork a subshell?
>
> $(< file) does indeed fork. The only difference between $(< file) and
> $(cat file) is the latter also does an exec (but it's portable).
This stopped being the case with the release of 5.2 or thereabouts.
--
Kerin Millar
