freebsd-questions Digest, Vol 340, Issue 15

[Chip Camden]

Quoth Derrick Ryalls on Sunday, 12 December 2010:
> On Sun, Dec 12, 2010 at 9:45 AM, Mark Terribile <materribile at yahoo.com>wrote:
> 
> > >
> > > It's ok, that i can use this, when i want an incrementing
> > > sequence, in a given way:
> > >
> > > # {START..END..INCREMENT}
> > > $ for i in {0..10..2}; do echo "Welcome $i times"; done
> > > Welcome 0 times
> > > Welcome 2 times
> > > Welcome 4 times
> > > Welcome 6 times
> > > Welcome 8 times
> > > Welcome 10 times
> > > $
> > >
> > > but what's the "magic" for this? :
> > >
> > > $ MAGIC; do echo "Welcome $i times"; done
> > > Welcome 0 times
> > > Welcome 1 times
> > > Welcome 4 times
> > > Welcome 5 times
> > > Welcome 8 times
> > > Welcome 9 times
> > > $
> >
> > What's wrong with
> >
> > for i in 0 1 4 5 8 9 ; do echo "Welcome $i times"; done
> >
> >  ?
> >
> > Or is there some rule that you want followed?  If there is, it's not
> > obvious to me.  (Sorry.)
> >
> >    Mark Terribile
> >
> >
> > +1, +3, +1, +3....
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How about a direct approach:

i=0;j=1
while true;do
  echo Welcome $i times
  i=`expr $i + $j`;if [ $j -eq 1 ];then;j=3;else;j=1;fi
done

Might want to pipe that to more or less.

-- 
Sterling (Chip) Camden    | sterling at camdensoftware.com | 2048D/3A978E4F
http://camdensoftware.com | http://chipstips.com        | http://chipsquips.com
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