From: Derek Smith <derekbellnersmith@...>
Date: 2009-12-23T23:35:44+09:00
Subject: Re: awk print $4 in ruby

(rkumar) Sentinel wrote:
> Derek Smith wrote:
>> Hi All,
>> 
>> I had played in Ruby a while and could not get this to work.
>> 
>> df -m
>> Filesystem             1M-blocks Used Avail Capacity  Mounted on
>> /dev/concat/v109-v112a      7931 2619  4677    36%    /
>> 
>> [root@vr /usr/local/vrep/OS_scripts]# df -k |awk '{print $4}'
>> Avail
>> 4789776
> 
> Is this what you want ?
> 
>      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


-- 
Posted via http://www.ruby-forum.com/.