#!/bin/bash
# read from STDIN, lines coming from rsyslog files. Pass to STDOUT any line with timestamp younger than 10 mins
MODE=$1   # supported: <null> or "gitea"
NOW=$(date +"%s")
while read -r LINE; do
    if [[ ${MODE} == 'gitea' ]]; then
        D="${LINE:0:10}"
        D=$( echo $D | awk -F/ '{print $2 "/" $3 "/" $1}')
        DT="${D} ${LINE:11:8}"
    else
        DT=${LINE:0:15}
    fi
    DT=$(date --date="${DT}" +"%s")
    (( SECS = NOW - DT ))
    if [[ ${SECS} -lt 601 ]] ; then
        echo "$LINE"
    fi
done