* [TUHS] Etymology of shebang
@ 2017-04-21 14:48 Ron Natalie
2017-04-21 15:07 ` Clem Cole
0 siblings, 1 reply; 2+ messages in thread
From: Ron Natalie @ 2017-04-21 14:48 UTC (permalink / raw)
Oldest actual use in a post I can find is 1997
I did find something I had completely forgot about. The csh used to (probably still does?) differentiate between Bourne shell scripts and csh scripts by looking for #.
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* [TUHS] Etymology of shebang
2017-04-21 14:48 [TUHS] Etymology of shebang Ron Natalie
@ 2017-04-21 15:07 ` Clem Cole
0 siblings, 0 replies; 2+ messages in thread
From: Clem Cole @ 2017-04-21 15:07 UTC (permalink / raw)
Sorry, yes -- which is why I think the exec hack first show up in the BSD
kernel. It was an efficiency trick on the PDP-11's. The idea was to catch
the change of shell as soon as possible.
On Fri, Apr 21, 2017 at 10:48 AM, Ron Natalie <ron at ronnatalie.com> wrote:
> Oldest actual use in a post I can find is 1997
>
>
>
> *I did find something I had completely forgot about. The csh used to
> (probably still does?) differentiate between Bourne shell scripts and csh
> scripts by looking for #.*
>
>
>
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2017-04-21 14:48 [TUHS] Etymology of shebang Ron Natalie
2017-04-21 15:07 ` Clem Cole
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