Re: Resolved: Re: OT: Bash: what is eval doing here?
On Saturday, June 11, 2022 10:25:34 AM Greg Wooledge wrote:
> On Sat, Jun 11, 2022 at 09:54:17AM -0400, rhkramer@gmail.com wrote:
> > eval `ssh-agent`
> For the record, the command you've got here is written in a very
> antiquated way. A better (as well as more modern) way to write it
> would be:
>
> eval "$(ssh-agent)"
I am curious about the origin of the more modern syntax -- was it driven (or
partially driven) by the possiblity of (a human) confusing the backticks for
single quotes (like I did)?
> The lack of outer double quotes in the antiquated command would normally
> cause it to fail, but ssh-agent writes some redundant semicolons, so
> that the unquoted legacy command still works.
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