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I wrote something similar some years ago: https://codereview.stackexchange.com/questions/67417/an-atexit-for-bash https://codereview.stackexchange.com/questions

by ceving 3y ago

I wrote something similar some years ago: https://codereview.stackexchange.com/questions/67417/an-atexit-for-bash https://codereview.stackexchange.com/questions/67417/an-atex... I do not like the way you build expressions by concatenating strings. This is the driving force behind SQL injections.

mplewis9z 3y ago
> I do not like the way you build expressions by concatenating strings. Unfortunately this is the only option if you're trying to preserve POSIX shell compatibility - arrays are implementation-specific additions to the specifications. I do not like the way Bash has become synonymous with shell, and appreciate people making an effort to make their scripts work across a large variety of different systems.