[ale] sometimes I hate bash

Jim Kinney jim.kinney at gmail.com
Wed Dec 16 19:13:02 EST 2009


2 8 * * * /home/user/bin/scriptname

same incarnation works with a different script in the same directory but has
no database work to do.

BTW: <esc>wq won't email in gmail as I just tried and discovered (without a
vi plugin I saw)

On Wed, Dec 16, 2009 at 7:00 PM, JK <jknapka at kneuro.net> wrote:

> Post the crontab line, please?
>
> On 12/16/2009 4:49 PM, Jim Kinney wrote:
> > script runs all hunky-dorey in userland.
> >
> > so time to put it into cron. To cover my bases for inferior cron
> > environemnt, the first thing the script does is . ~/.bash_profile which
> > in turn runs ~/.bash_rc which runs /etc/bashrc
> >
> > So it now looks just like a login env.
> >
> > maybe...
> >
> > Except somehow it now spawns _2_ copies of the running process and the
> > race is on! <insert appropriate swearing here>
> >
> > Since it's highly sequence dependent data processing and database
> > insertion and database processing, multiple out of order steps is very,
> > VERY bad.
> >
> > Solution: make the first line a -f test for a pid file and exit if it
> > exists. The second line writes the pid file. Shouldn't have to do this...
> >
> > Still totally stumped on the multiple simultaneous processes.
> >
> > --
> > --
> > James P. Kinney III
> > Actively in pursuit of Life, Liberty and Happiness
> >
> >
> >
> > _______________________________________________
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>
> --
> The first mistake was granting corporations the rights of citizens.
> Now *only* corporations have the rights of citizens. -- Unknown
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-- 
-- 
James P. Kinney III
Actively in pursuit of Life, Liberty and Happiness
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