lsbackup

lsbackup

#!/bin/bash

################################################################################
# Variables
################################################################################

# Credit variables
MY_NAME="lsbackup"
MY_DESC="How old are the backups held on this machine?"
MY_PROJ="https://gist.github.com/alicraigmile/acf73eaaf4e0c774854ff4d08f46842e"
MY_AUTH="alic"
MY_MAIL="[email protected]"
MY_VERS="1.0"
MY_DATE="2021-05-28"

# Default variables
# assumes folder structure $directory/$machine/$disk
directory='/content/Backups'

#debugging
#set -x

################################################################################
# Variables
################################################################################

print_usage() {
    echo "$MY_NAME - $MY_DESC"
    echo ""
    echo "Usage: ${MY_NAME} [-h] <folder>"
}

_datediff() {
    d1=$(date -d "$1" +%s)
    d2=$(date -d "$2" +%s)
    echo $(( (d1 - d2) / 86400 )) days
}

datediff() {
    d1=$(date -d "$1" +%s)
    d2=$(date -d "$2" +%s)
    age=$(( (d1 - d2) / 86400 ))
    years=$(( age / 365 ))
    days=$(( age % 365 ))
    if [[ "$years" -eq "0" ]]
    then
        echo $days days
    else
        echo $years years, $days days
    fi
    #echo $(( (d1 - d2) / 86400 )) days
}

################################################################################
# The application 
################################################################################


if [ "$#" -gt "0" ]; then
    opts=$1

    if [[ $1 -eq '-h' ]]; then 
        print_usage
        exit
    else 
        directory=$1
    fi

fi


echo ""
echo "Backup folder: $directory"
echo ""

for machine in "$directory"/*
do

echo "[$(basename $machine)]"

for entry in "$machine"/*
do
    if [[ -e "$entry/current" ]]
    then
    backupdate=$(basename $(readlink -f "$entry/current") | cut -d'_' -f1)
        if [[ -z $backupdate ]]
        then
            estimaed='(extimated)'
            backupdate=$(stat -c %y "$entry/current" | cut -d'.' -f1)
        else
            estimated=''
        fi
    else
  estimated='(estimated)'
  backupdate=$(stat -c %y "$entry" | cut -d'.' -f1)
  fi
  age=$(datediff 'today' "$backupdate")
  disk=$(basename $entry)
  printf '%.40s %s %s\n' "$disk$(printf '%.1s' .{1..40})" "$age" "$estimated"
done

  echo ""
done