PowerBasic question: SORT - Programmers Heaven

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PowerBasic question: SORT

donehanddonehand Posts: 5Member
Hello,

How I can sort a string in alphabeticaly order? I am using this type of string:

Field$(1) = "Anthony"
Field$(2) = "Carol"
Field$(3) = "Arnold"
Field$(4) = "Dude"
...
Field$(n) = "..."

I don't wanna use other string, I just wanna to "swap" the Fields in alphabeticaly order without using arrays. If someone understood what I mean and wanna help me, I'll be glad.

Regards,
Donehand


Comments

  • BASIC FriendBASIC Friend Posts: 354Member
    Hello,
    Why hasn't anyone else helped you? This is simple.

    I'm not sure, but I think you compare strings the same way in PowerBasic as QBasic. This works in QB anyways.
    [code]
    ARRAYSIZE% = 4
    DIM Field$(1 TO ARRAYSIZE%)
    Field$(1) = "Anthony"
    Field$(2) = "Carol"
    Field$(3) = "Arnold"
    Field$(4) = "Dude"
    'BUBBLE SORT
    FOR i% = 1 TO ARRAYSIZE%
    FOR j% = 2 TO ARRAYSIZE%
    IF Field$(j%) < Field$(j%-1) THEN
    SWAP Field$(j%), Field$(j%-1)
    END IF
    NEXT j%
    NEXT i%
    'END OF BUBBLE SORT
    FOR i% = 1 TO ARRAYSIZE%
    PRINT "Field$("; i%;") = "; Field$(i%)
    NEXT i%
    END
    [/code]
    It ran fine with QB. You may need to change some things for PB.
    If PB doesnt have a SWAP function, you may need to write one. That's not hard.
    [code]
    'SWAP
    temp$ = Field$(j%)
    Field$(j%) = Field$(j%-1)
    Field$(j%-1) = temp$
    'END OF SWAP
    [/code]
    Put that code in place of the SWAP line.

    Sorry it took so long to get help on this.

    :
    : How I can sort a string in alphabeticaly order? I am using this type of string:
    :
    : Field$(1) = "Anthony"
    : Field$(2) = "Carol"
    : Field$(3) = "Arnold"
    : Field$(4) = "Dude"
    : ...
    : Field$(n) = "..."
    :
    : I don't wanna use other string, I just wanna to "swap" the Fields in alphabeticaly order without using arrays. If someone understood what I mean and wanna help me, I'll be glad.
    :
    : Regards,
    : Donehand
    :
    :


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