Flip-flop?

ID:172781
 
Mar 28 2004, 1:37 am (Edited on Mar 28 2004, 1:43 am)
Seemed simple at first, but I've tried many times to create a proc that would take a text string, flip it around (IE, "Hello BYOND!" would end up "!DNOYB olleH") and then display it however I choose, but I've failed miserably many times and my coding is so messed up that I'm not even gonna post it. Could anyone educate me on how to perform this?
#1 Mar 28 2004, 2:38 am
Enigmaster2002 wrote:
Seemed simple at first, but I've tried many times to create a proc that would take a text string, flip it around (IE, "Hello BYOND!" would end up "!DNOYB olleH") and then display it however I choose, but I've failed miserably many times and my coding is so messed up that I'm not even gonna post it. Could anyone educate me on how to perform this?

I have just been toying around with this, and i havent really checked this, but this is what i came up with (i know its very unoptimised, but i just threw this together)
mob/verb/switchtext(T as text)
    usr << T // outputting the message before-hand
    var/z[length(T)] // make a new list that is the length of the text
    var/c = 1
    for(var/x = length(T), x > 0, x--) // populate the list backwards with the text message
        z[x] = copytext(T,c,c+1)
        c++
    var/v
    for(var/x = 1, x < length(T)+1, x++)
        v += z[x] // a text string that has the original message backwards
    usr << v // output the final message to the verb user
#2 Mar 28 2004, 2:49 am
In response to Lazyboy (#1)
Eeek. No need to use lists! =)

A much simpler and faster version:

<code>proc/reversetext(txt as text) var/reversed="" for (var/X=length(txt); X>=1; X--) reversed+=copytext(txt,X,X+1) return reversed</code>
#3 Mar 28 2004, 2:53 am
In response to Crispy (#2)
Crispy wrote:
Eeek. No need to use lists! =)

Too much c++ for me i think. Plus its been a long day and i couldnt be bothered thinking too much.
#4 Mar 28 2004, 3:20 am
In response to Crispy (#2)
Now, I hate to bother, but I see the code, I know it works, but I haven't the faintest idea why. Most specifically, that for() statement. Mind explaining it?