From: botp <botpena@...>
Date: 2009-12-23T23:55:48+09:00
Subject: Re: awk print $4 in ruby

On Wed, Dec 23, 2009 at 10:35 PM, Derek Smith
<derekbellnersmith@yahoo.com> wrote:
> yes and no.  I prefer it in script form no CLI form.
>

try this eg,

>> puts %x(df -m).split("\n")
Filesystem           1M-blocks      Used Available Use% Mounted on
/dev/sda1               145236     99061     38856  72% /
varrun                    1898         1      1898   1% /var/run
varlock                   1898         0      1898   0% /var/lock
procbususb                1898         1      1898   1% /proc/bus/usb
udev                      1898         1      1898   1% /dev
devshm                    1898         1      1898   1% /dev/shm
gvfs-fuse-daemon        145236     99061     38856  72% /home/botp/.gvfs
=> nil

>> puts %x(df -m).split("\n").map{|x| x.split[3]}
Available
38856
1898
1898
1898
1898
1898
38856
=> nil

kind regards -botp