From: Derek Smith <derekbellnersmith@...>
Date: 2009-12-24T02:06:48+09:00
Subject: Re: awk print $4 in ruby

Derek Smith wrote:
>>>      df -k | ruby -lane 'print $F[3]' 
>> 
>> yes and no.  I prefer it in script form no CLI form.
>> 
>> dfstr = Array.new
>> dfstr << %x(df -m)
>> dfstr.each do |line|
>>     ?????
>> end
> 
> Tried this too:
> 
> $; = 'Avail'
> dfstr = %x(df -m)
> puts dfstr[$;]

I got it using, but ideally would not like to use a file on the FS.
Any comments welcome! :)

Merry Xmas!
Thank you!


DFSTR = "/tmp/dfstr.out"
%x(df -m > "#{DFSTR}")
file = File.open("#{DFSTR}", "r")
file.each do |ln|
    ln.chomp
    fsaray = []
    fsaray = ln.split
    puts fsaray[3]
end
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