On Tue, May 4, 2010 at 10:28 AM, Dennis Williamson
<dennistwilliam...@gmail.com> wrote:
> for i in {28..55}
> # or: for ((i=28; i<=55; i++))
> do
> (( page = 148 - ( i - 28 ) * 2 ))
> printf '$d $03d\n' $i $page
> done
I assume that you mean '%d %03d'.
> This eliminates external calls to bc and seq in addition to zero-padding
> $page.
It is good to know this trick.
> On Tue, May 4, 2010 at 8:05 AM, Peng Yu <pengyu...@gmail.com> wrote:
>> Hi,
>>
>> I want $page has three digits. If it is less than 100, prefix it with
>> 0. Is there an easy way to do so in bash?
>>
>> for i in `seq 28 55`;
>> do
>> page=`echo '148-('$i'-28)*2'|bc`
>> echo $i $page
>> done
>>
>> --
>> Regards,
>> Peng
>>
>>
>>
>
--
Regards,
Peng
