[lug] Bash Scripting Ping

[Jeffrey S. Haemer]

D.,

For those of me who're first reading your question while sitting in a
coffee shop at a Mac laptop, could you just say what the flags are
doing, so's I can make sure I understand the problem by trying something
similar?


On Sun, Nov 8, 2020 at 10:53 AM D. Stimits <stimits at comcast.net> wrote:

> I am curious about something in bash scripting which does not seem to be
> particularly easy. I wanted to script "ping -O -D address" such that each
> line gets processed by some logic if the ping fails. Redirecting ping to a
> variable does not work because it only "returns" when the ping exits (each
> line is not an exit). Even if I were to fork and exec, the forked process
> would itself have the same problem.
>
> Is there some simple/clever way to process each line of a ping in bash
> without killing off the ping itself? My goal was to send it through some
> database and statistics type processing as success/failure lines occur.
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-- 
Jeffrey Haemer <jeffrey.haemer at gmail.com>   720-837-8908 [cell]
*פרייהייט? דאס איז יאַנג דינען וואָרט!*
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