On Fri, Apr 9, 2010 at 5:56 AM, Randal L. Schwartz
wrote:
>> "Alejandro" == Alejandro Imass writes:
>
> Alejandro> did you mean unless? ;-)
>
> Did you read this:
>
>>> Augh. I hit send just as I realized that's backwards. Need
>>> more caffiene. Swap the true and false blocks there. :)
>
> "Alejandro" == Alejandro Imass writes:
Alejandro> did you mean unless? ;-)
Did you read this:
>> Augh. I hit send just as I realized that's backwards. Need
>> more caffiene. Swap the true and false blocks there. :)
--
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503
On Wed, 7 Apr 2010 19:15:05 -0600
Chad Perrin wrote:
> On Wed, Apr 07, 2010 at 01:09:54PM +0100, RW wrote:
> > On Tue, 6 Apr 2010 21:07:17 -0600
> > Chad Perrin wrote:
> >
> > > On Tue, Apr 06, 2010 at 01:20:49PM +0100, RW wrote:
> > > > On Mon, 5 Apr 2010 19:55:44 -0600
> > > > Chad Perrin wr
On Wed, Apr 07, 2010 at 01:09:54PM +0100, RW wrote:
> On Tue, 6 Apr 2010 21:07:17 -0600
> Chad Perrin wrote:
>
> > On Tue, Apr 06, 2010 at 01:20:49PM +0100, RW wrote:
> > > On Mon, 5 Apr 2010 19:55:44 -0600
> > > Chad Perrin wrote:
> > >
> > > > On Mon, Apr 05, 2010 at 05:36:32PM +0100, RW wrot
On Tue, Apr 6, 2010 at 5:10 PM, Randal L. Schwartz
wrote:
>> "Chuck" == Chuck Swiger writes:
>
[...]
> Now, on the other hand, emacs rules, vi sucks. :-) :-)
you got that right bud!
oh, and the Perl stuff too ;-)
>
> --
> Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503
On Tue, Apr 06, 2010 at 09:01:10PM -0600, Chad Perrin wrote:
> On Tue, Apr 06, 2010 at 06:17:41PM -0400, Steve Bertrand wrote:
> > On 2010.04.06 17:10, Randal L. Schwartz wrote:
> >
> > > Now, on the other hand, emacs rules, vi sucks. :-) :-)
> >
> > ok, ok. I was on the side of Perl, and was co
On Tue, 6 Apr 2010 21:07:17 -0600
Chad Perrin wrote:
> On Tue, Apr 06, 2010 at 01:20:49PM +0100, RW wrote:
> > On Mon, 5 Apr 2010 19:55:44 -0600
> > Chad Perrin wrote:
> >
> > > On Mon, Apr 05, 2010 at 05:36:32PM +0100, RW wrote:
> > > There are more things in heav'n and earth, Horatio, than a
On Tue, Apr 06, 2010 at 01:20:49PM +0100, RW wrote:
> On Mon, 5 Apr 2010 19:55:44 -0600
> Chad Perrin wrote:
>
> > On Mon, Apr 05, 2010 at 05:36:32PM +0100, RW wrote:
> > >
> > > IMO this is a bad mistake that other languages were quite right not
> > > to copy - a test shouldn't come after a blo
On Tue, Apr 06, 2010 at 06:17:41PM -0400, Steve Bertrand wrote:
> On 2010.04.06 17:10, Randal L. Schwartz wrote:
>
> > Now, on the other hand, emacs rules, vi sucks. :-) :-)
>
> ok, ok. I was on the side of Perl, and was content following this
> thread, but now I don't like you anymore :P
>
> h
On 2010.04.06 17:10, Randal L. Schwartz wrote:
> Now, on the other hand, emacs rules, vi sucks. :-) :-)
ok, ok. I was on the side of Perl, and was content following this
thread, but now I don't like you anymore :P
heh ;)
Steve
___
freebsd-questions@f
> "Chuck" == Chuck Swiger writes:
Chuck> Very well; I would like to hear you propose another type of
Chuck> change that might be made to this sort of postfix test syntax
Chuck> which you consider to be "most likely".
Maybe the content of the text message. I change that stuff all the
time.
On Apr 6, 2010, at 11:43 AM, Randal L. Schwartz wrote:
> "Chuck" == Chuck Swiger writes:
>> Then you wouldn't have used this construct.
>
> Chuck> If the construct isn't a good idea considering the most obvious
> Chuck> change one might make to the code,
>
> Objection: presumes facts not in evi
> "Chuck" == Chuck Swiger writes:
>>
>> Then you wouldn't have used this construct.
Chuck> If the construct isn't a good idea considering the most obvious
Chuck> change one might make to the code,
Objection: presumes facts not in evidence, your honor.
Seriously, I've written thousands of
On Apr 6, 2010, at 11:07 AM, Randal L. Schwartz wrote:
>> "Chuck" == Chuck Swiger writes:
> Chuck> Let's suppose you want to display one message if debugging is
> Chuck> enabled, and a shorter message if it is not.
>
> Then you wouldn't have used this construct.
If the construct isn't a good ide
> "Chuck" == Chuck Swiger writes:
Chuck> Let's suppose you want to display one message if debugging is
Chuck> enabled, and a shorter message if it is not.
Then you wouldn't have used this construct.
>> If you don't like all this freedom, there's always Python. :)
Chuck> Yes, Perl lets you
Hi--
On Apr 6, 2010, at 6:21 AM, Randal L. Schwartz wrote:
>> "RW" == RW writes:
> RW> Imperative languages have a natural order of decision followed by
> RW> action, and code is most easily readable if the syntax doesn't try to
> RW> subvert that.
>
> And yet, there's an equally valid ar
> "Giorgos" == Giorgos Keramidas writes:
Giorgos> This means you can write your sh version like this in Perl:
Giorgos> #!/usr/bin/perl
Giorgos> if (int(@ARGV) == 0) {
Giorgos> die "No args; at least one filename expected";
Giorgos> }
Giorgos> printf("%s\n", join(' ',
On Sun, 04 Apr 2010 02:01:53 -0700, Gary Kline wrote:
> thanks for your url as well and the others to posted. but it seems
> like overkill since i dont need any explicit option or argument. i
> just need the script to tell me whether i have an arg or not.
> following is something i've kept in on
> "RW" == RW writes:
RW> Imperative languages have a natural order of decision followed by
RW> action, and code is most easily readable if the syntax doesn't try to
RW> subvert that.
And yet, there's an equally valid argument that the most important
thing should stand out the most. In th
On Mon, 5 Apr 2010 19:55:44 -0600
Chad Perrin wrote:
> On Mon, Apr 05, 2010 at 05:36:32PM +0100, RW wrote:
> >
> > IMO this is a bad mistake that other languages were quite right not
> > to copy - a test shouldn't come after a block of code unless it's
> > evaluated after the block (as in repeat
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 06/04/2010 02:55:44, Chad Perrin wrote:
> 3. lazy evaluation, where the (result) is not evaluated until it is
> needed, which gives the interpreter plenty of time to notice there's
> an "unless" immediately following it
>
> Obviously, t
On Mon, Apr 05, 2010 at 05:36:32PM +0100, RW wrote:
>
> IMO this is a bad mistake that other languages were quite right not to
> copy - a test shouldn't come after a block of code unless it's evaluated
> after the block (as in repeat...until)
There are more things in heav'n and earth, Horatio, t
On Mon, 05 Apr 2010 09:57:17 +0100
Matthew Seaman wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> I've always found that 'unless' makes a great deal of sense when used
> in the alternate syntax:
>
> do_foo()
> unless $condition ;
>
> As far as I know, perl and its descendant
in message <867homm1qf@red.stonehenge.com>, wrote Randal L.
Schwartz thusly...
>
> > "Matthew" == Matthew Seaman
> > writes:
>
> Matthew> As far as I know, perl and its descendant ruby are the
> Matthew> only programming languages that let you put the
> Matthew> condition test after th
> "Matthew" == Matthew Seaman writes:
Matthew> As far as I know, perl and its descendant ruby are the only
Matthew> programming languages that let you put the condition test after
Matthew> the action, despite this being exceeding familiar in human
Matthew> languages.
Except, we old-timers re
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 04/04/2010 19:48:14, Alejandro Imass wrote:
> But honestly pun aside unless(){} is far more readable than if(!){}
> and _especially_ if you are programming in an exception manner as you
> correctly point out. Every language should have an unless con
gt; FreeBSD Mailing List
> > Cc:
> > Subject: Re: perl qstn...
> >
> > On Sun, Apr 04, 2010 at 10:58:35AM -1000, p...@pair.com wrote:
> > > in message <20100404203951.gb47...@thought.org>,
> > > wrote Gary Kline thusly...
> > > >
> >
On Sun, Apr 04, 2010 at 02:33:02PM -0700, Gary Kline wrote:
>
> anybody know if we need a new C [[maybe D]] that would be
> allowed to grow?
There's already a D. I don't really know much about it, though.
--
Chad Perrin [ original content licensed OWL: http://owl.apotheon.org ]
p
> From owner-freebsd-questi...@freebsd.org Sun Apr 4 17:14:17 2010
> Date: Sun, 4 Apr 2010 15:13:49 -0700
> From: Gary Kline
> To: "Randal L. Schwartz" , glar...@freebsd.org,
> FreeBSD Mailing List
> Cc:
> Subject: Re: perl qstn...
>
> On Sun
On Sun, Apr 4, 2010 at 11:33 PM, Gary Kline wrote:
> Can C include the perl regex packages?
Yes! Just use PCRE. Or, if you prefer C++, Boost.Regex:
http://www.pcre.org/
http://www.boost.org/doc/libs/1_42_0/libs/regex/doc/html/index.html
--
Cordula's Web. http://www.cordula.ws/
On Sun, Apr 04, 2010 at 10:58:35AM -1000, p...@pair.com wrote:
> in message <20100404203951.gb47...@thought.org>,
> wrote Gary Kline thusly...
> >
> > ---Maybe you can clue me in on this one: around a dozen years ago
> > i somw found a recursive grep named tgrep online. to save tying,
> > i rena
On Sun, Apr 04, 2010 at 12:45:30PM -0400, Alejandro Imass wrote:
> On Sun, Apr 4, 2010 at 11:27 AM, Randal L. Schwartz
> wrote:
> >> "Randal" == Randal L Schwartz writes:
> >
> > Randal> Even simpler:
> >
> > Randal> if (@ARGV) {
> did you mean unless? ;-)
> > Randal> print "No args
in message <20100404203951.gb47...@thought.org>,
wrote Gary Kline thusly...
>
> ---Maybe you can clue me in on this one: around a dozen years ago
> i somw found a recursive grep named tgrep online. to save tying,
> i renamed it "rgr". i can start anywhere and 'rgr pattern'
> --WITHOUT ANY ASTER
On Sun, Apr 04, 2010 at 08:25:03AM -0700, Randal L. Schwartz wrote:
> > "Gary" == Gary Kline writes:
>
> Gary> #!/usr/bin/perl
> Gary> $argc = @ARGV;
> Gary> if (! $argc ) {
> Gary> printf("No args; need filename.\n");
> Gary> }
> Gary> else {
> Gary> printf("%s\n", @ARGV);
>
On Sun, Apr 4, 2010 at 11:25 AM, Randal L. Schwartz
wrote:
>> "Gary" == Gary Kline writes:
[...]
> And I'd recommend a couple of good books, but I might be seen as
> self-pimping. :)
>
> But if you look at http://learn.perl.org/ you'll see a number of other
> resources, including free tutori
On Sun, Apr 4, 2010 at 2:14 PM, Polytropon wrote:
> On Sun, 4 Apr 2010 10:33:53 -0600, Chad Perrin wrote:
>> On Sun, Apr 04, 2010 at 12:45:30PM -0400, Alejandro Imass wrote:
>> > did you mean unless? ;-)
>>
>> I find "if" to be clearer than "unless" when there's an "else", so
>> instead of making
On Sun, 4 Apr 2010 10:33:53 -0600, Chad Perrin wrote:
> On Sun, Apr 04, 2010 at 12:45:30PM -0400, Alejandro Imass wrote:
> > did you mean unless? ;-)
>
> I find "if" to be clearer than "unless" when there's an "else", so
> instead of making that "if" into an "unless", I'd just swap the
> conditio
On Sun, Apr 4, 2010 at 11:04 AM, Chad Perrin wrote:
> On Sun, Apr 04, 2010 at 08:25:03AM -0700, Randal L. Schwartz wrote:
[...]
> The final member of the traditional camelid trilogy, and a great book to
Hmm, so there _are_ in fact several trilogies! I would swap the
Camel for the Black Leopard
On Sun, Apr 04, 2010 at 12:45:30PM -0400, Alejandro Imass wrote:
> On Sun, Apr 4, 2010 at 11:27 AM, Randal L. Schwartz
> wrote:
> >> "Randal" == Randal L Schwartz writes:
> >
> > Randal> Even simpler:
> >
> > Randal> if (@ARGV) {
> did you mean unless? ;-)
I find "if" to be clearer than
On Sun, Apr 4, 2010 at 11:27 AM, Randal L. Schwartz
wrote:
>> "Randal" == Randal L Schwartz writes:
>
> Randal> Even simpler:
>
> Randal> if (@ARGV) {
did you mean unless? ;-)
> Randal> print "No args\n";
> Randal> } else {
> Randal> print "arg is $ARGV[0]\n";
> Randal>
On Sun, Apr 04, 2010 at 08:25:03AM -0700, Randal L. Schwartz wrote:
>
> Even simpler:
>
> if (@ARGV) {
> print "No args\n";
> } else {
> print "arg is $ARGV[0]\n";
> }
As Randal noted, he accidentally swapped the conditions here. Just for
the sake of absolute clarity, I'
> "Randal" == Randal L Schwartz writes:
Randal> Even simpler:
Randal> if (@ARGV) {
Randal> print "No args\n";
Randal> } else {
Randal> print "arg is $ARGV[0]\n";
Randal> }
Augh. I hit send just as I realized that's backwards. Need
more caffiene. Swap the true and
> "Gary" == Gary Kline writes:
Gary> #!/usr/bin/perl
Gary> $argc = @ARGV;
Gary> if (! $argc ) {
Gary> printf("No args; need filename.\n");
Gary> }
Gary> else {
Gary> printf("%s\n", @ARGV);
Gary> }
Even simpler:
if (@ARGV) {
print "No args\n";
} else {
pri
On Sun, 2010-04-04 at 00:07 -0400, Greg Larkin wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> Gary Kline wrote:
> > guys,
> >
> > i'm finally trying to get my private scripts and binaries in
> > ~/bin in order. several of my perl scripts were meant to be
> > throwaway ... but a fe
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Gary Kline wrote:
> guys,
>
> i'm finally trying to get my private scripts and binaries in
> ~/bin in order. several of my perl scripts were meant to be
> throwaway ... but a few seem to be more useful and i would have
> to have informational or usa
On Sat, Apr 03, 2010 at 02:17:06PM -0700, Randal L. Schwartz wrote:
> > "Gary" == Gary Kline writes:
>
> Gary> if a .pl script has to have at least one arg, is there an easy
> Gary> way to do that?
>
> Dare I say, "there's more than one way to do it?" :)
>
> See the "Getopt::" family in the
> "Gary" == Gary Kline writes:
Gary> if a .pl script has to have at least one arg, is there an easy
Gary> way to do that?
Dare I say, "there's more than one way to do it?" :)
See the "Getopt::" family in the CPAN.
My favorite is Getopt::Long.
--
Randal L. Schwartz - Stonehenge Consulting
guys,
i'm finally trying to get my private scripts and binaries in
~/bin in order. several of my perl scripts were meant to be
throwaway ... but a few seem to be more useful and i would have
to have informational or usage{} type messages.
if a .pl script has to have at least one arg, is ther
48 matches
Mail list logo
