Hi andrew,

On 2017-01-17 00:03:42, you wrote to me:

 WV>> Your model is wrong! The checking and creating of the lock file
 WV>> should be one atomic operation!

 WV>> So use:

 WV>> if create bash-lock-file succeeds
 WV>>   do hpt
 WV>>   do htick
 WV>>   delete bash-lock-file
 WV>> else
 WV>>   do nothing
 WV>> endif

 WV>> Most distributions have a command for that. For instance 'lockfile'.

 ac> FWIW, 'lockfile' is part of the procmail package:

Indeed. Also true for (open)SUSE ...

Bye, Wilfred.

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