====== Overview: bash "How To" snippets ======

^ Example                ^ Description             ^
| [[bash:how to:string_substitutions|]] | string substitutions (replace, extract, ...) |
| [[bash:how to:tests|]] | tests (string is in list, string contains substring,  ...) |
| [[bash:how to: run_command|]] | run command from variable, check execution result, check if run by root, ... |