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Disk usage/free space script

 4 years ago
source link: https://kuttler.eu/code/disk-usagefree-space-script/
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Disk usage/free space script

Disk info

I like to monitor disk usage from the command line using the df utility. However, the output can get overwhelming sometimes depending on the system. This is a tiny bash script I use as a df wrapper that does filtering, sorting and uses colors. It takes an argument nc to disable colors.

Raw 
#!/bin/bash

__diskfree () {
  local COLOR_HI
  local COLOR_MD
  local COLOR_LO
  local COLOR_NC
  DF="df -h --output=source,target,fstype,pcent,size,avail -x tmpfs -x devtmpfs -x squashfs -x overlay"
  SORT="sort -k 4,4 --numeric-sort  --reverse"
  if [[ ${1} != "nc" ]]; then
    COLOR_HI="\e[0;31m"
    COLOR_MD="\e[0;33m"
    COLOR_LO="\e[0;32m"
    COLOR_NC='\e[0m'
  fi

  echo -ne "$COLOR_HI"
  $DF | grep -E "100%|9[0-9]%" | $SORT
  echo -ne "$COLOR_MD"
  $DF | grep -E "[78][0-9]%" | $SORT
  echo -ne "$COLOR_LO"
  $DF | grep -E "[^1][ 0123456][0-9]%" | $SORT
  echo -ne "$COLOR_NC"
}

__diskfree $1

Published on Dec. 2, 2020, last update Dec. 5, 2020.

Tagged: Linux, bash.

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