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Pattern Matching (Bash Reference Manual)
Regular expressions
[https://tldp.org/LDP/Bash-Beginners-Guide/html/sect_04_01.html] - - public:mzimmerm
Describes bash regex used in =~ operator, like: if [[ $str =~ _[a-z]+ ]]; then ...
Regular expressions
[https://tldp.org/LDP/Bash-Beginners-Guide/html/sect_04_01.html] - - public:mzimmerm
Describes bash regex used in =~ operator, like: if [[ $str =~ _[a-z]+ ]]; then ...
Bash Reference Manual
BashStyleGuide: BashGuide/Practices - Greg's Wiki
BashFAQ - Greg's Wiki
Bash Tutorial
pure-sh-bible: A collection of pure POSIX sh alternatives to external processes.
bash-style-guide
A Complete Guide on How To Use Bash Arrays
[https://www.shell-tips.com/bash/arrays/] - - public:mzimmerm
Good guide and doc for Bash arrays. Also clearly states difference between array (indexed array=list) and associative array (keyd array=map)