While digging into the details of how bash reads shell scripts, I found
some indications that bash goes out of its way to support self-modifying
shell scripts. As far as I can tell, after reading and executing each
command, bash will seek backward and re-read the script from the
byte after the end
On 9/10/18 1:25 AM, Josh Triplett wrote:
> While digging into the details of how bash reads shell scripts, I found
> some indications that bash goes out of its way to support self-modifying
> shell scripts. As far as I can tell, after reading and executing each
> command, bash will seek backward an
On Mon, Sep 10, 2018 at 04:50:29PM -0400, Chet Ramey wrote:
> On 9/10/18 1:25 AM, Josh Triplett wrote:
> > While digging into the details of how bash reads shell scripts, I found
> > some indications that bash goes out of its way to support self-modifying
> > shell scripts. As far as I can tell, af
On 2018-09-09 at 22:25 -0700, Josh Triplett wrote:
> (I don't want to use this mechanism myself; I'm asking because I'm
> working on a project that needs to care about various shells'
> compatibility requirements, and I wanted to find out more about this
> unusual corner case.)
The Thompson shell
Date:Tue, 11 Sep 2018 01:11:41 +0200
From:=?ISO-8859-1?Q?=C1ngel?=
Message-ID: <1536621101.1095.13.ca...@16bits.net>
| The Thompson shell (up to Sixth Edition UNIX) supported a goto command
| that was implemented as an external command(!) that moved the
| filepo
