On 08/30/2016 11:15 AM, Dejan Muhamedagic wrote: > I suppose that it is explained in enough detail here: > > https://en.wikipedia.org/wiki/Shebang_(Unix)
I expect you're being deliberately obtuse.
It does not explain which program loader interprets line 1 of findif.sh:
"#!/bin/sh" when it is invoked from line 69 of IPAddr2 RA:
. ${OCF_FUNCTIONS_DIR}/findif.sh
https://github.com/ClusterLabs/resource-agents/blob/master/heartbeat/IPaddr2
https://github.com/ClusterLabs/resource-agents/blob/master/heartbeat/findif.sh
Similarly, I have not read the code so I don't know who invokes IPArrd2
and how exactly they do it. If you tell me it makes the kernel look at
the magic number and spawn whatever shell's specified there, I believe you.
> As already mentioned elsewhere in the thread, local is supported
> in most shell implementations and without it we otherwise
> wouldn't to be able to maintain software. Not sure where local
> originates, but wouldn't bet that it's bash.
Well 2 out of 3 is "most", can't argue with that.
--
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
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