Jenda Krynicky wrote: > From: Kevin Pfeiffer <[EMAIL PROTECTED]> > > In keeping with my feeling that with 'map' one can do almost > > anything > > quite right, but > > > (if I knew how) I'm happy to have managed to build something using > > 'map' (without external help I mean). Seems easy, now. ;-) > > > > # months into numbers... > > > > $month = "Jan" # for example > > > > my %m2n; > > my $x = "00"; > > > > map { $m2n{$_} = ++$x } qw(Jan Feb Mar Apr May Jun Jul Aug Sep > > Oct Nov Dec); > > you should not use map{}() in void context. map{}() is supposed to > create a list, in this case you are not creating any. You are just > looping through a list. You should use for/foreach for that: > > $m2n{$_} = ++$x > for qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec); > > But the idea was good :-)
Don't worry Kevin! You can still use 'map' by getting the block to calculate each key/value pair like this my $n = '00'; my %m2n = map {($_,++$n)} qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec); HTH, Rob -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]