How to resolve the algorithm Selectively replace multiple instances of a character within a string step by step in the FutureBasic programming language

Published on 12 May 2024 09:40 PM
#Futurebasic

How to resolve the algorithm Selectively replace multiple instances of a character within a string step by step in the FutureBasic programming language

Table of Contents

Problem Statement

This is admittedly a trivial task but I thought it would be interesting to see how succinctly (or otherwise) different languages can handle it. Given the string: "abracadabra", replace programatically:

Note that there is no replacement for the third 'a', second 'b' or first 'r'. The answer should, of course, be : "AErBcadCbFD".

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Selectively replace multiple instances of a character within a string step by step in the FutureBasic programming language

Source code in the futurebasic programming language

include "NSLog.incl"

void local fn DoIt
  long               a = 0, b = 0, r = 0, length, i
  CFMutableStringRef string = fn MutableStringWithString( @"abracadabra" )
  CFStringRef        s
  
  length = len(string)
  for i = 0 to length - 1
    s = NULL
    select ( mid(string,i,1) )
      case @"a"
        a++
        select ( a )
          case 1 : s = @"A"
          case 2 : s = @"B"
          case 4 : s = @"C"
          case 5 : s = @"D"
        end select
      case @"b"
        b++
        if ( b == 1 ) then s = @"E"
      case @"r"
        r++
        if ( r == 2 ) then s = @"F"
    end select
    if ( s ) then mid(string,i,1) = s
  next
  
  NSLog(@"%@",string)
end fn

fn DoIt

HandleEvents

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