DragonFly users List (threaded) for 2010-02
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Re: ltp can't find /proc/cpuinfo
Pierre Abbat wrote:
> On Monday 01 February 2010 12:07:28 Oliver Fromme wrote:
> > The "which" command (whether shell-builtin or /usr/bin/which
> > doesn't matter) simply looks at the PATH environment variable:
> > It opens every directory, one after another, and looks for
> > the binary. It is first found in /usr/pkg/bin. Note that
> > the linuxulator doesn't redirect the directory because
> > /compat/linux/usr/pkg/bin doesn't exist. So the "which"
> > command prints /usr/pkg/bin/bash. The same happens when
> > you type "/usr/pkg/bin/bash" because this path doesn't exist
> > under /compat/linux, so you'll get the DFly bash.
> > [...]
>
> /bin is before /usr/pkg/bin in $PATH, so that's not why.
Ok, I assumed that you had /usr/pkg/bin at the front.
Unfortunately I don't have a DFly box with Linux_base
installed, so I thought it works the same as on on my
FreeBSD machine, where the Linux bash has "which" as a
function that comes from this file:
/compat/linux/usr/share/doc/bash-3.0/functions/which
This function uses bash's builtin "type" command to
implement the "which" command. Since this is executed
by the linux bash, it finds /bin/bash if /bin is at the
front of the $PATH, of course. That's why I made the
initial assumption that you had /usr/pkg/bin at the
front instead. :-)
Of course, if your linux bash executes /usr/bin/which
(which is a BSD binary, not a script), then it will not
look at /compat/linux at all when looking for a program.
If it was a shell script, things would be different.
Best regards
Oliver
--
Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M.
Handelsregister: Registergericht Muenchen, HRA 74606, Geschäftsfuehrung:
secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün-
chen, HRB 125758, Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart
FreeBSD-Dienstleistungen, -Produkte und mehr: http://www.secnetix.de/bsd
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