Palindromikellonajat

#!/bin/bash

for t in {0..23}
do
        for m in {00..59}
        do
                for s in {00..59}
                do
                        a=$( echo $t$m$s )
                        b=$( echo $a | rev )
                        if ([ "$a" == "$b" ] && [ $t -le $s ] )
                        then
                                echo "$t:$m:$s"
                        fi
                done
        done
done


exit 0


#!/bin/bash

for t in {00..23}
do
        for m in {0..5}
        do
                s=`echo $t | rev`
                if [ $s -lt 60 ]
                then
                        echo "$t:$m$m:$s"
                fi
        done
done

exit 0