regex help on unix df

Question

I need some help tweaking my code to look for another attribute in this unix df output:

Ex.

Filesystem     Size    Used   Avail Capacity         


        

Answer 1

Have you tried simply splitting on whitespace and taking the 4th and 5th columns?

my @cols = (split(/\s+/, $_));
my $avail = $cols[3];
my $cap   = $cols[4];

(Fails if you have spaces in your device names of course...)