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Feature #12459

closed

Add type coercion option to ARGV.getopts arguements.

Added by timakin (Seiji Takahashi) almost 8 years ago. Updated almost 8 years ago.

Status:
Feedback
Assignee:
-
Target version:
-
[ruby-dev:49643]

Description

I suggest a little new feature to lib/optparse.rb.

When I created CLI tool I defined option parser with ARGV.getopts function like following.

ARGV.getopts('abc:', 'logopt, 'optwithval:val')

It was so easy and short to recognize what is declared as options, but I could't force a type of the values.
Maybe it looks unshapely, but I'd like to confirm the types like this:

ARGV.getopts('strval:(String)intval:(Integer)', 'logopt', 'optwithval:val(String)')

Normal OptParser has type coercion but extended function ARGV.getopts has no feature like this.
This difference is trivial but inconvenient.

Updated by nobu (Nobuyoshi Nakada) almost 8 years ago

  • Description updated (diff)
  • Status changed from Open to Feedback

First, ARGV.getopts is an easy wrapper for old getopts.rb, not recommended.
And I don't like the idea to use names there.

ARGV.getopts("", ["strval:string option", String], ["intval:integer"=>Integer])

or

ARGV.getopts("", "strval:string option"=>String, "intval:integer"=>Integer)

may be acceptable?

Updated by timakin (Seiji Takahashi) almost 8 years ago

Thanks for quick reply!
Former one looks better.
Honestly, I don't know a detail process to contribute, but can I make a pull-req to implement this?
Or is it not acceptable due to the function is not recommended?

Regards, Seiji

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