Grabt the return value of df -H-m

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http://www.unix.com – Hi to everyone :) Quick question how do i grab the return value on the 5 position here : Code: sgs@sibs:~$ df -H -m Sist.fichs    1M-blocos  Used    Available  Use%    Mounted on /dev/sda1    35542        18904  14833      57%            / In this case the Use% value . I need to make like if [ Use eq 99% ] then bla bla bla bla . fi :) tnx in advance (HowTos)