Check space and run command

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02-24-2016

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Check space and run command

Hey
i have problem with cut and print column
problem is i want to execute shell script to run df -h /tmp
if the result ( Use% ) was more than 50% , run rm -rf /tmp/*
any idea how cut the result of df -h /tmp ?

nimafire

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02-24-2016

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Hello nimafire,

You haven't mentioned you O.S details into your post, so code which I am providing I tested in BASH, may help you in same.

Code:

USAGE=`df -hP /tmp | awk 'FNR>1{sub(/%/,X,$(NF-1));if($5+0 > 0){print $(NF-1)}}'`
if [[ $USAGE -gt 0 ]]
then
    echo "Removing the files from /tmp now...."
    rm -rf /tmp/*
else
    echo "/tmp have not filled more than 50% as of now."
fi

Thanks,
R. Singh

RavinderSingh13

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