Portable scripting resources? - General Shell Scripting
Ive found https://www.gnu.org/savannah-checkouts/g...Shell.html
Its helpful. Just wondering if anyone else knows of any other sources to create portable shell scripts.
Read the POSIX documentation.
That helps.

For those interested in this solution: http://pubs.opengroup.org/onlinepubs/009...tents.html

Also found this to be helpful...: https://wiki.ubuntu.com/DashAsBinSh#I_am..._future.3F
You can always run `shellcheck` on your scripts and fix them.
you can write it in c and let it beeeeeeeeeeeEEEEEEEEEEEEEEE
This book seems to be valuable resource

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