Chet Ramey () wrote:
> >
> > While this works:
> >
> > var=(hello); echo "${var[ ~0]}"
> > hello
>
> Because negative array subscripts count backwards from the end of the
> array.
>
Doh!, yes. And, because of that: "${var[-1]}"
should give the *last* element of array "var", shouldn't it?
Consequ
Chet Ramey () wrote:
> On 8/15/18 3:36 AM, Bob Proulx wrote:
>
> > It does look like bash can be more efficient with argument handling.
> > Since, for example, dash does it.
>
> Yes, it just needs new primitives to do it. The existing code for managing
> the saved positional parameters has been in
Op 14-12-18 om 14:29 schreef Chet Ramey:
On 12/14/18 6:46 AM, Martijn Dekker wrote:
In current git, 'bash -o posix' no longer exits the shell on a syntax error
in the argument to the special builtin 'eval'. Bash 4.2-4.4 exit as POSIX
specifies.
Well, not quite. It's the specific case of an une
Chet Ramey 于2018年12月22日周六 上午12:51写道：
>
> On 12/19/18 1:10 AM, jake wrote:
> > Hi all,
> >
> > I did a test about run a bash scriplt never quit,but met a memory usage
> > issue that cause used memory continuous increase.
> > This issue was present in bash-3.2.x, bash-4.0.x, bash-4.1.x, bash-4.2.x,
