Re: what's wrong with this mega-widget?

2008-08-08 Thread Rob Dixon
Cort Morgan wrote: > > I'm trying to (learn how to) create a mega-widget in Perl/Tk and am hacking > some examples from "Mastering Perl/Tk". I apparently do not understand how to > use ConfigSpecs. I'm trying to be able to pass arguments to the widget > constructor and define default values if t

what's wrong with this mega-widget?

2008-08-08 Thread Cort Morgan
Hi,   I'm trying to (learn how to) create a mega-widget in Perl/Tk and am hacking some examples from "Mastering Perl/Tk". I apparently do not understand how to use ConfigSpecs. I'm trying to be able to pass arguments to the widget constructor and define default values if the arguments are not s

Re: how to round off a decimal to the next whole number

2008-08-08 Thread Dr.Ruud
[EMAIL PROTECTED] schreef: > How do I round off a decimal to the next nearest whole digit , > example > 0.123 = 1, > 1.23 = 2, > 4.7312 = 5, etc etc. Define "next". You can use POSIX::ceil(), but then -1.23 becomes -1 and you might want -2 there? $ echo -1.23 4.1 5 |perl -MPOSIX -nwle'print

Re: question about text operation using regex.

2008-08-08 Thread Dr.Ruud
"John W. Krahn" schreef: > [EMAIL PROTECTED] wrote: >> The following Perl one-liner will do what you need >> perl -n -e 's/(.{8,8}).(.*)/$1$2/;print ;' > > Or more simply as: >perl -pe's/^(.{8})./$1/' And a bit less simply as: perl -pe's/(?<=.{8}).//' -- Affijn, Ruud "Gewoon is een

Re: Consult about XS

2008-08-08 Thread sisyphus
On Aug 8, 8:52 am, [EMAIL PROTECTED] (Pablo Zea Aranibar) wrote: . . > If you can give some directions, just a path to follow, it would be > appreciated. Usually, a module that uses a C library assumes that the C library has already been built. And it links to that existing library. (This is the a

Re: Newbie - Simple conditional on regexp match

2008-08-08 Thread Kenneth Brun Nielsen
On 6 Aug., 14:05, [EMAIL PROTECTED] (Rob Coops) wrote: > You are almost right, since it prints all lines all lines match. > > Could you explain what it is that you are trying to match, that way people > might be able to help getting the regex right. i forgot about this thread, since it took so lon

Re: Newbie: Simple conditional on regexp match

2008-08-08 Thread Kenneth Brun Nielsen
On 6 Aug., 16:45, [EMAIL PROTECTED] (Yitzle) wrote: > On Wed, Aug 6, 2008 at 4:29 AM, Kenneth Brun Nielsen > <[EMAIL PROTECTED]> wrote: > > Within a perl program, I want to go to a particular mode when a > > keyword is found. The keyword is a regexp. > > > E.g. > > #!/usr/bin/perl -w > > open FILE