On 20 December 2011 07:36, Girish Venkatachalam <[email protected]> wrote: ....
> Now, let us look at a simple while loop with counting. As I said, for > is only an iterator. It is not a > real loop like while. > > $ cat i.sh > let i=100 > > while [ $i -gt 0 ]; > do > echo $i > let i-- > done > > This is a nice way to iterate with a while loop. > > I repeat. > > for takes a list of values beforehand and runs the loop thro' them > like list of files or > list of numbers or list of strings or a combination. > > while has a condition like in C and runs the loop infinitely till the > condition is true. > Girish , Instead of talking about if and while in shell, which is present in every programming language ( Anyone with some programming knowledge should be able to figure this out in no time), why not talk about regular expression and sed and awk. which are more intresting than looping constructs. --ashwin _______________________________________________ ILUGC Mailing List: http://www.ae.iitm.ac.in/mailman/listinfo/ilugc
