Web Reference: Q: Using a single command-line command, make a directory foo, change into it, create a file bar with content “baz”, print out bar’s contents, and then cd back to your home directory. This great tutorial by Baeldung shows 4 ways to process command-line arguments in bash, including: 1) positional parameters $1, $2, etc., 2) flags with getopts and ${OPTARG}, 3) looping over all parameters ($@), and 4) looping over all parameters using $#, $1, and the shift operator. cmdchallenge
YouTube Excerpt: Write a function that parses the
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