[ale] [EXTERNAL] Re: Bash Scripts: When to break them into files

[Chuck Payne]

So I use to have a big bash script for setup up. I have since broke it out
to small scripts, for things that I can't do with Ansible.

To me, smaller scripts make sense because you can troubleshoot issues
easier.

The question is this, does it make sense for you to pull out a function to
be on its own? Then yes, small is better, and you can use that script for
other things. Does the script need to call on everything or can you make
outside calls?

In your current script, do you have l exit 0 at the end so you know
everything rn smoothly? Do you have like different exit number to should
you were your script is failing?

I will be honest, why I am moving more script to ansible if I can use
ansible to replace. For things I can't, I try again for the smaller script
so I can trouble shoot. I had one script that was 1300 lines of code. It
was a mess even with comments to see where issues were.

On Tue, Apr 27, 2021 at 11:33 AM Allen Beddingfield via Ale <ale at ale.org>
wrote:

> Microsoft Teams even works surprisingly well on Linux these days.  It is
> our mandated internal communication method, remote work, meeting,
> collaboration, etc... software at work.  I thought I wasn't going to like
> it, but on openSUSE Leap it works fine.  Our past year of remote work would
> have been a lot more difficult without it.
>
> --
> Allen Beddingfield
> Systems Engineer
> Office of Information Technology
> The University of Alabama
> Office 205-348-2251
> allen at ua.edu
>
>
> ________________________________________
> From: Ale <ale-bounces at ale.org> on behalf of Adrya Stembridge via Ale <
> ale at ale.org>
> Sent: Tuesday, April 27, 2021 10:21 AM
> To: Atlanta Linux Enthusiasts
> Cc: Adrya Stembridge
> Subject: [EXTERNAL] Re: [ale] Bash Scripts: When to break them into files
>
> Zoom works perfectly on my debian based systems.
>
> On Tue, Apr 27, 2021 at 11:18 AM Steve Litt via Ale <ale at ale.org<mailto:
> ale at ale.org>> wrote:
> How about the more universally Linux-accessible Jitsi instead of Zoom?
>
> SteveT
>
>
> Michael Potter via Ale said on Tue, 27 Apr 2021 09:49:06 -0400
>
> >We can have a zoom meeting sometime and I can do my bash presentation
> >if there is interest.
> >
> >On Tue, Apr 27, 2021 at 8:04 AM Jim Kinney via Ale <ale at ale.org<mailto:
> ale at ale.org>> wrote:
> >
> >> If a chunk of a script is useful by itself, I'll make it it's own
> >> file and just call it. I'm not concerned about efficiency of
> >> resources so calling a subshell for an external script is not a
> >> concern. Grep, sed, and awk are often launched many, many times in
> >> sequence anyway so what's another 10-40 subshells? :-)
> >>
> >> An example:
> >>
> >> I have one script that gathers the names of all nodes in the
> >> cluster. That can be called as input to push config changes or pull
> >> current settings or data.
> >> The multi-cluster version calls the same named script as above for
> >> each cluster, gathered using different, cluster-specific methods, to
> >> perform operations across all nodes in all clusters.
> >> There are several, tiny, modifier scripts that can be selectively
> >> piped through for queue and node, node only, or queue only selection.
> >>
> >> The modifier scripts were split out so I can reuse that
> >> functionality in the myriad ad hoc scripts I write daily for poke,
> >> prod, and general break-fix operations.
> >>
> >> On April 26, 2021 10:11:43 PM EDT, David Jackson via Ale
> >> <ale at ale.org<mailto:ale at ale.org>> wrote:
> >>>
> >>> Hey Everyone,
> >>>
> >>> When do you guys feel that your bash scripts have gotten too long?
> >>> When do they need to be broken out into individual files, and when
> >>> does doing so make them less easy to maintain or follow?
> >>>
> >>> Also, how do you organize your scripts so they are easy for
> >>> newcomers to understand?
> >>>
> >>> Your thoughts are appreciated!
> >>>
> >>> Thanks!
> >>> Dave
> >>>
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-- 
Terror PUP a.k.a
Chuck "PUP" Payne
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