martincr

1. Find > Replace
2. Click 'Regular Expression' box
3. Enter ^\s+ as your search string
4. Click 'Find' to confirm it works as anticipated
5. Use 'Replace All' to remove all leading spaces from each newline

NB. For trailing spaces replace with \s+$

catacs

#!/bin/bash

echo "Baned last log"
awk '($(NF-1) = /Ban/){print $NF}' /var/log/fail2ban.log | sort | uniq -c | sort -n
echo "------------ Baned in all files  --------------"
zgrep -h "Ban " /var/log/fail2ban.log* | awk '{print $NF}' | sort | uniq -c
echo "------------ Baned by subnet --------------------"
zgrep -h "Ban " /var/log/fail2ban.log* | awk '{print $NF}' | awk -F\. '{print $1"."$2"."}' | sort | uniq -c  | sort -n | tail
echo "------------ Baned by date -------------------------"
zgrep -h "Ban " /var/log/fail2ban.log* | awk '{print $5,$1}' | sort | uniq -c