#! /bin/bash

dates=$(zcat /var/log/ejabberd/ejabberd* 2> /dev/null | grep "was registered" \
	| cut -d[ -f 1 | cut -c 1-16)

SAVEIFS=$IFS   # Save current IFS
IFS=$'\n'      # Change IFS to new line

dates=($dates) # Split to array
IFS=$SAVEIFS   # Restore IFS

greppattern=""

for (( i=0; i<${#dates[@]}; i++ ))
do
    greppattern="$greppattern -e \"$(echo ${dates[$i]})\""
done

#echo -e ${greppattern}

grepcommand="ls -lt --full-time /var/lib/ejabberd/chapril_captchas | grep $greppattern | cut -d ' ' -f 9"

eval $grepcommand