log.sh

log.sh

rm log_start
rm log_end
rm log_i
rm log
for i in *.01.2016_start; do cat $i >> log_start; echo $i >> log_i; done
for i in *.01.2016_end; do cat $i >> log_end; done
paste log_start log_end | awk '{
        b = "date -u --date=\"" $2 "\" +%s"
        b | getline d;
        a = "date -u --date=\"" $1 "\" +%s"
        a | getline c;
        s = d - c;
        system("date -d@" s " -u +%T");
}' | paste log_i log_start log_end - > log
rm log_start
rm log_end
rm log_i