Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Getopts is a common tool that programmers can use to process command-line arguments. It originated in the Unix shell environment, where it could be invoked from shell scripts. It has now been ported to many other programming languages. Typical implementations support complex comman ...Full description
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Getopts is a common tool that programmers can use to process command-line arguments. It originated in the Unix shell environment, where it could be invoked from shell scripts. It has now been ported to many other programming languages. Typical implementations support complex command-line patterns. The specification usually allows for long and short parameter names, default values for arguments not provided, and declaration of mandatory versus optional parameters. The command-line arguments are effectively transformed into a data structure or set of data structures which the program can inspect to determine what was requested on the command-line.