https://mjunya.com/en/posts/2021-06-02-getopt-in-shellscript/
Option Parsing in Shell Script with getopts | MJUN Tech Note
shell scriptoptionparsinggetoptstech
https://www.theunixschool.com/2012/08/getopts-how-to-pass-command-line-options-shell-script-Linux.html
The UNIX School: getopts - How to pass command line options to shell script?
In an earlier article, we discussed how to pass command line arguments to shell script and access them using positional parameters. In t...
command line optionshow toshell scriptunixschool
https://free.nchc.org.tw/ubuntu/ubuntu/ubuntu/pool/universe/r/rust-getopts/?C=M;O=A
Index of /ubuntu/ubuntu/ubuntu/pool/universe/r/rust-getopts
indexubuntupooluniverserust