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Informations about the package cmdline
CmdLine Parser
Library for easy parsing of command line arguments.
Install by running:
It can get:
Simple key/value
Example. The following code:
Will return "white" if you run the script in one of these ways (quotes are optional but mandatory if you're going to use spaces):
- php script.php -color "white"
- php script.php --color white
- php script.php /color white
Existence
Example. The following code:
Will return "You want coffee." if you run one of these:
- php script.php -givemecoffee
- php script.php --givemecoffee
- php script.php /givemecoffee
Flags
Example. This script:
Will return "Will return "You want: coffee beer and you do not want: vodka wine but you did not tell me if you want: soda juice" if you run:
- php script.php +CB -VW
Getting arguments by its index
You can also read the process.argv (0-based index) through this function. The advantage is that if the index does not exist (the user did not specify the argument), it won't throw an error. It will just return the value you specify in the second function parameter.
Just a note: The second value of getvalbyindex method can be an integer value, a string, a boolean value, an array or anything you want it to return if the index does not exist in process.argv object.
This parameter is also available in get method, also as a second function parameter. In this case, it will return this value if the key was not found. Example:
So, if you run:
- php script.php /iwant water
It will return "You want water". But if you run just:
- php script.php
It will return "You want nothing". Please note that, as these two are the only methods in this module meant to return strings, the second parameter is not available for the other functions. By default, if you do not specify any fallback value, it returns null if the wanted value could not be found.
Also, please note that this module can NOT parse arguments in the format key=value. Example:
- php script.php key=value IT WILL NOT WORK
Other Ports
This lib is a port from the AutoIt3 UDF, which is also available as a NodeJS module.
