-------- Original-Nachricht --------
> Datum: Mon, 19 May 2008 23:36:36 +0900
> Von: Miles Chatterji <miles / mama.indstate.edu>
> An: ruby-talk / ruby-lang.org
> Betreff: n00b question

> somewhat new to ruby, and im trying to write a simple program to print
> [IMG] tags for php forums on my screen so I dont have to copy and paste
> 100 of them and change the pictures number every time. Example I have
> 127 pictures from a race that I would like to post, the tag is
> [img]http://www.empiremotoring.org/pictures/pp.5.17.08/IMG_0987.jpg[/img]
> and I would like the program to list the next one as
> [img]http://www.empiremotoring.org/pictures/pp.5.17.08/IMG_0989.jpg[/img]
> [img]http://www.empiremotoring.org/pictures/pp.5.17.08/IMG_0990.jpg[/img]
> 
> and so on, this is what I have so far, I am just having trouble getting
> it add +1 to the end ever time because it dosent like numbers in the
> string, I have tried several things but non of which worked out. Any
> advice would be a great help here is the code
> 
> # Img forum tag lister
> 
> 
> 
> puts "What is your url: "  # url from input
> url = gets.chomp
> 
> puts "What is your files name: " # file name from input (IMG_ for canon
> DSC_ for sony etc.)
> file = gets.chomp
> 
> puts "How many files: "  # # of files wanted to print from input
> num = gets.to_i
> 
> puts "beginning file #: " # beginning number extension, ( number at end
> of picture file eg IMG_0987, would be 0987)
> 
> bnum = gets.chomp
> 
> print ("[img]" + url + file + bnum.to_s +=1 + ".jpg [/img]") *num.to_i #
> prints IMG tag.
> 
> I realize that you can put the numbers into a sting without first
> converting but the how would you go about having it add +1 after it has
> been converted?
> 

Hi Miles,

you can use the pound sign :

res='5'
p "The answer is #{res=res.succ}"
p res

res=5
p "The answer is #{res=res.succ}"
p res

... but, be careful for "negative number-strings" ...

Best regards,

Axel 




to evaluate 


> Thanks, --Miles
> -- 
> Posted via http://www.ruby-forum.com/.

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