list-backups.sh

#!/bin/bash

# Creates a simple dokuwiki page, listing Borg backups from a text file
# File has one entry per line: "host.example.net-2017-08-31-02:55 Thu, 2017-08-31 02:55:03"
# Runs in cron early every morning: list-backups.sh host.example.net.txt > dokuwikipage.txt

BACKUP_LIST=$1
HOST_NAME=$(basename -s .txt "${BACKUP_LIST}")

echo "====== ${HOST_NAME} Backup List ======"
echo

while IFS= read -r BACKUP_LINE
do
  BACKUP_DATE=$(echo "${BACKUP_LINE}" | sed -n '/^.*-\([0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}\).*/s//\1/p')
  BACKUP_TIME=$(echo "${BACKUP_LINE}" | sed -n '/.* \([0-9]\{2\}:[0-9]\{2\}\):[0-9]\{2\}$/s//\1/p')

  echo "  * ${BACKUP_DATE} at ${BACKUP_TIME}"
done < <(cat "${BACKUP_LIST}")

echo
echo "----"
echo "Go back to [[IT::Backups::start|Backup List]]"