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From: jacki <collector@idealan.pl>
Newsgroups: comp.lang.ruby
Subject: Re: Input_file = ARGV.first
Date: Tue, 19 Apr 2016 12:43:02 +0200
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To: Cai Gengyang <gengyangcai@gmail.com>
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W dniu 2016-04-19 o 12:02, Cai Gengyang pisze:
> What does this line in Ruby : Input_file = ARGV.first mean ?
> 
> How does it work? Can give an example ? HELP , HELP .....
> 

$ cat argv.rb
#!/usr/bin/env ruby

puts ARGV.inspect


$ ruby argv.rb hard to say
["hard", "to", "say"]