Hi Bradley, On Thu, 1 Jan 2015 13:54:57 -0800 Bradley Asztalos <b...@customweather.com> wrote:
> I have a simple script, foo.sh:: > > #!/bin/bash > echo "start" $$ > sleep 10 > echo "end" $$ > > I can run make sure this runs as a singleton with > > sem --fg -u --id lock_id ./foo.sh > > But I'm wondering if it is possible to use shebang in this context as in: > > -------singleton.sh--------- > > #!/opt/local/bin/parallel --shebang-wrap /bin/bash --semaphore --fg -u --id > lock_id > echo "start" $$ > sleep 10 > echo "end" $$ > > --------- > parallel is written in Perl 5 and uses «#!/usr/bin/perl» or whatever as a shebang. As a result it cannot be itself used as a she-bang processor. Furthermore, I should note that in programming, it is a good idea to stick to the https://en.wikipedia.org/wiki/KISS_principle and not try to be as clever as possible. Hope it helps. Regards, Shlomi Fish > This does not work. Any ideas here? > > Bradley -- ----------------------------------------------------------------- Shlomi Fish http://www.shlomifish.org/ The Human Hacking Field Guide - http://shlom.in/hhfg A kid always wishes they were older until they are 18. Afterwards, they always wish they were younger. Please reply to list if it's a mailing list post - http://shlom.in/reply .
