Wolfgang,
Thanks for your contributions.
On 04/28/2015 03:51 PM, Wolfgang Denk wrote:
Dear Joe,
In message <CANr=Z=YxsT-VOje5jA0k00BSxNROXBOPXMG-Q_8_7jAYN=f...@mail.gmail.com>
you wrote:
I noticed you asked for a reference to the original hush code that is the
origin for U-Boot's adaptation. I couldn't find a reply to that question. I
also haven't been able to find anything with a quick we search. Do you know
where it did come from?
I never got a response, but it appears to be busybox...
Oops, sorry. Yes, of course it is busybox.
As far as I can tell, it was added around October 2001 to the PPCBoot
project as part of the PPCBoot v1.1.0 release:
* Added "hush" shell (from Busybox) as alternative command line
interpreter, thus enabling powerful command line syntax like
if...then...else...fi conditionals or `&&' and '||' constructs
("shell scripts").
See the README file for information about implementation and usage.
I should have thought of this myself. I could have looked in the commit
history or release notes.
Just for completeness, I tried the commands using busybox:
# busybox|head -1
BusyBox v1.20.2 (2013-07-02 15:49:59 PDT) multi-call binary.
# false && true || echo ECHO
ECHO
# false && false || echo ECHO
ECHO
# true && false || echo ECHO
ECHO
#
--
Jim Chargin
AJA Video Systems j...@aja.com
(530) 271-3334 http://www.aja.com
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