Pretty Disk Usage

prettydf.sh

#!/bin/sh

function print_bar {
    GDONE=$1
    GPROG='['
    for i in $(seq 1 1 $GDONE)
    do
       GPROG=$GPROG'#'
    done

    GREM=$((30 - $GDONE))

    for i in $(seq 1 1 $GREM)
    do
       GPROG=$GPROG'.'
    done

    GPROG=$GPROG']'
    echo $GPROG
}

VLINES=`df -h | egrep -v '(dev|net|home|Mounted on)'$ | awk '{print $2,"_",$3,"_",$4,"_",$5,"_",$9;}' | sed 's/ _ /_/g'`
for VLINE in $VLINES
do
    VCOLS=`echo $VLINE | sed 's/_/ /g'`
    VI=0
	for VCOL in $VCOLS
    do
        ((VI++))
        if [ $VI -eq 1 ] ; then
            GCAP=$VCOL
        fi
        if [ $VI -eq 2 ] ; then
            GUSE=$VCOL
        fi
        if [ $VI -eq 3 ] ; then
            GFREE=$VCOL
        fi
        if [ $VI -eq 4 ] ; then
            GPERC=$VCOL
        fi
        if [ $VI -eq 5 ] ; then
            GLBL=$VCOL
        fi
    done
    GPERC=`echo $GPERC | sed 's/%//'`
    GPERSCALE=$(( $GPERC * 30 / 100 ))
    GBAR=`print_bar $GPERSCALE`
    printf "Used %s out of %s\t%s%% %s %s free in %s\n" $GUSE $GCAP $GPERC $GBAR $GFREE $GLBL
done