[nos-bbs] log triggers & shell scripts

[Andrew]

Maiko,
OH of course! I made the assumption there would be a matching time in 
the log. Which now I think about it, that depends when the script is 
ran. doh!
I'll tail the logfile instead of trying to match times.

Thanks for the help.

Andrew - K1YMI


On Mon, Mar 10 2025 at 09:12:40 PM -05:00:00, maiko at pcsinternet.ca 
wrote:
> Hi Andrew,
> 
> It's your awk statement. IF the start does not find a direct matching
> time entry, then nothing is generated, period. If I run the awk 
> manually
> at the command line and make sure to specify a starttime in the 
> logfile,
> then it dumps the full email. For example :
> 
>  Here is the tail end of a logfile on my backup system :
> 
>   19:47:22  CONSOLE - ax25 h all +h > archive.heard.txt
>   19:53:40  - socket 137 has vanished
>   19:55:11  - AT command: source bcteensy.nos+|2290+
>    [snip]
>   20:44:49  - socket 137 has vanished
>   20:45:15  - AT command: ax25 h save+|2308+
>   20:50:20  - socket 137 has vanished
>   20:53:51  - socket 137 has vanished
>   20:55:15  - AT command: source bcteensy.nos+|2304+
>   20:55:15  - AT command: source report.nos+|2309+
>   20:55:16  - AT command: ax25 h save+|2310+
>   20:55:20  - AT command: source bcninotnc.nos+|2307+
> 
>  I run the awk portion of your script at the command line, direct to 
> stdout,
>  omitting the output file, just for testing :
> 
>     bash-5.1# awk -v start="19:51" -v end="20:58" '$0 ~ start, $0 ~ 
> end' \
>       /life/ve4klm/jnos/rte/logs/10Mar25
> 
>       NOTHING
> 
>     If I use start="19:47" instead, then BINGO, we get output :
> 
>       19:47:22  CONSOLE - ax25 h all +h > archive.heard.txt
>       19:53:40  - socket 137 has vanished
>       19:55:11  - AT command: source bcteensy.nos+|2290+
>       19:55:11  - AT command: source report.nos+|2295+
>         [snip]
> 
>   Also, I had to add +X permission to your sh file and on my
>    jnos I have to run it as sh ./last10mins.sh, since '.' is
>      not in the path, no big deal.
> 
>  Maiko
> 
>>>> I am trying to fire off a shell script on a log trigger event, but
>>>> the script does not seem to execute.
>>>> I believe permissions are correct and it's executable. It also
>>>> runs fine when ran manually from command line under the same user
>>>> as JNOS.
>>>> Even if I try and run a 'shell ./shell_script.sh from the JNOS
>>>> admin console it does not seem to execute.
>>>> Is there a specific directory shell scripts should be in?
>>>> 
>>>> Andrew - K1YMI
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