On 25.02.18,18:32, hw wrote: > Hi, > > what is the best way to find out the depth of the last word within a > line? "Depth of a word" means "how many other words occur before the > last one?". > > > The background is that I want to write a CLI. The CLI shall know a > number of commands like 'show', 'set', 'alias' and so on. > > Using Term::ReadLine, I want to have completion. Since commands on a > line will need to occur in a particular order, I want to make it so that > the completion shows what can occur next depending on what is already on > the line. > > For example, when the line is 'show', the completion must not display > 'show' as it would when the line is still empty, but 'settings tables > levels'. > > To accomplish this, I figured I need to attribute every command with a > depth --- like 'show' and 'alias' have a depth of 0 and 'settings', > 'tables', and 'levels' have a depth of 1. > > > I´m aware that this only works for a rather simple CLI that doesn´t have > too many commands. Maybe there is a better solution --- if you ever > configured a switch or a router that has a good CLI, you know what I´m > trying to do. >
There are some examples using ARGV here: https://www.cyberciti.biz/faq/howto-pass-perl-command-line-arguments/ Can you use this? Jostein -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
