radius.sh

#!/bin/bash
# randomized disk usage
# spukspital@openmailbox.org
# 2016-06-27

# read du, write to file
du -sh /home/* 2> /dev/null | awk '{ print $1 }' > values

# clear file to be shuffled later
echo "" > shufme

# define function to write pseudo pixels
function pxl {
  # write all values to array arr
  arr=($(grep $u values))
  for i in ${arr[@]}
  do
    # trim last char in each value
    v=${i%?}
    # careful in the following line, might mess with your locale!
    # "." or "," it may be, depending on where you live.
    # this will cause the result to be slightly inaccurate, but this script
    # is not meant to be accurate, anyway.
    r=${v%%.*}
    c=0
    while [ $c -lt $r ]; do
      printf '<span class="p %s">&nbsp;</span>' $u >> shufme
      let c=c+1
    done
    printf "\n" >> shufme
  done
}

u=G
pxl
u=M
pxl
u=K
pxl

# generate html output
echo '<!DOCTYPE html><html><head><title>radius</title><link rel="stylesheet" type="text/css" href="radius.css"></head><body><div class="cn">' > radius.html

# write shuffled lines to html and remove empty lines
shuf shufme | grep -v '^$' >> radius.html

# write file end
echo '</div></body></html>' >> radius.html