Talk:Parse command-line arguments: Difference between revisions
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./pmath.rb --fib 100 |
./pmath.rb --fib 100 |
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e |
e raised to a power |
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./pmath.rb -e 2 |
./pmath.rb -e 2 |
Revision as of 19:17, 6 August 2011
Reasons for this article:
- Getopt documentation is often too sparse to be useful
- Different languages have different pattern syntax (think C's "a:b:cd" getopt syntax)
- As with ScriptedMain, this behavior is as useful as it is obscure.
- getopt is not Google-friendly: the results tend to be C programs embedding the language in question.
The phone call example is just a quick example. I think we should define a more useful CLI example for each language.
pmath: Perform mathematical operations.
Examples:
Usage
./pmath.rb -h
Fibonacci
./pmath.rb --fib 100
e raised to a power
./pmath.rb -e 2