Re: ruby rookie needs help with mtime method of File

	Subject: ruby rookie needs help with mtime method of File
	Date: gio 22 ago 19 01:53:31 -0600

Quoting Barry Kimelman ([email protected]):

>    I was looking at an example of the "mtime" method for a file and when I
>    ran the example I received the following traceback
>    C:\barry\ruby>ruby dir3-glob.rb
>    backtick1.rb
>    Traceback (most recent call last):
>            2: from dir3-glob.rb:3:in `<main>'
>            1: from dir3-glob.rb:3:in `glob'
>    dir3-glob.rb:6:in `block in <main>': undefined method `mtime' for
>    "backtick1.rb":String (NoMethodError)
>    The source of my script is as follows
>         1 #!C:\Ruby\bin\ruby.exe -w
>         2
>         3 Dir.glob("*.rb") {|file|
>         4  # do something with the file here
>         5  puts file
>         6  mtime = file.mtime
>         7  new_filename = "#{mtime.year}-#{mtime.month}-#{mtime.day}.wma"
>         8  puts "Renaming #{filename} to #{new_filename} ..."
>         9 }
>    What have I done wrong?

mtime is a method of File, not of String

Do

mtime=File::mtime(file)

instead of 

mtime = file.mtime

(then, variable 'filename' on line 8 does not exist, but that's
another bug)

Carlo

-- 
  *         Se la Strada e la sua Virtu' non fossero state messe da parte,
* K * Carlo E. Prelz - [email protected]             che bisogno ci sarebbe
  *               di parlare tanto di amore e di rettitudine? (Chuang-Tzu)

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