There are loooads of ruby docs out there. There are also some good reference guides under /usr/share/doc/ruby-1.8.3,
/usr/share/doc/ruby-docs-1.8.3 and /usr/share/doc/ruby-libs-1.8.3. What would the more experienced of you recommend for command line options? So far I've been using
ruby -c foo.rb
ruby -W foo.rb
as they are the simplest I've not really used irb that much as I haven't seen any advantage in using it.
···
--
John Maclean - Noob with no shame.
MSc (DIC)
07739 171 531
There are loooads of ruby docs out there. There are also some good
reference guides under /usr/share/doc/ruby-1.8.3,
/usr/share/doc/ruby-docs-1.8.3 and /usr/share/doc/ruby-libs-1.8.3.
What would the more experienced of you recommend for command line
options? So far I've been using
ruby -c foo.rb
ruby -W foo.rb
as they are the simplest I've not really used irb that much as I
haven't seen any advantage in using it.
I find it strange that ruby -c foo.rb gives "syntax OK" but ruby -w foo.rb shows me all of the syntax errors. In the example below i make a deliberate mistake..
#script
#!/usr/bin/ruby #Wed Jan 4 06:17:22 GMT 2006
class Menu
def initialize(welcome, stage, usage) @welcome = print "Welcome to de-blah-de-blah-de-blah\n\n\n" @usage = usage # we will use this as a user guide @stage = stage
#`date` #print "which stage are you at? #b:- before site work #d:- during site work #a:- atfer site work #q:- quit\!\n"
end
def to_s
"Deskstudy: #@welcome #@usage #@stage"
end
end
#menu = Menu.new("welcome", "usage", "stage")
menu = Menu.new("welcome", "stage")
menu.inspect
puts menu
#errors
menu.rb:21:in `initialize': wrong number of arguments (2 for 3) (ArgumentError)
from menu.rb:21
···
On Thu, 5 Jan 2006 04:25:54 +0900 dblack@wobblini.net wrote:
Hi --
On Thu, 5 Jan 2006, John Maclean wrote:
> Hi guys,
>
> There are loooads of ruby docs out there. There are also some good
> reference guides under /usr/share/doc/ruby-1.8.3,
> /usr/share/doc/ruby-docs-1.8.3 and /usr/share/doc/ruby-libs-1.8.3.
> What would the more experienced of you recommend for command line
> options? So far I've been using
> ruby -c foo.rb
> ruby -W foo.rb
> as they are the simplest I've not really used irb that much as I
> haven't seen any advantage in using it.
I find it strange that ruby -c foo.rb gives "syntax OK" but ruby -w
foo.rb shows me all of the syntax errors. In the example below i
make a deliberate mistake..
You do, but it's not a syntax error; it's a runtime error. -c doesn't
run the code, but only checks it for syntax. -w runs the code.
David
--
David A. Black
dblack@wobblini.net
"Ruby for Rails", from Manning Publications, coming April 2006!
I find it strange that ruby -c foo.rb gives "syntax OK" but ruby -w
foo.rb shows me all of the syntax errors. In the example below i
make a deliberate mistake..
You do, but it's not a syntax error; it's a runtime error. -c doesn't
run the code, but only checks it for syntax. -w runs the code.
Or to give a simpler testcase:
$ cat div0
#!/usr/bin/env ruby
puts 5/0
$ ruby -c div0
Syntax OK
$ ruby -w div0
div0:2:in `/': divided by 0 (ZeroDivisionError)
from div0:2
I've not really used irb that much as I haven't seen any advantage in using it.
I've not really used irb that much as I