Compare length of two strings: Difference between revisions
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3 for
</pre>
=={{header|Delphi}}==
{{works with|Delphi|6.0}}
{{libheader|Classes,StdCtrls,SysUtils}}
Uses the Standard Delphi component TList compile the list of pointers to the strings and then sort them using a custom sort comparison.
<syntaxhighlight lang="Delphi">
var SA1: array [0..1] of string = ('Very Long String','short string');
var SA2: array [0..11] of string = ('Like','sands','through','the','hourglass',
'these','are','the','days','of','our','lives');
function Compare(P1,P2: pointer): integer;
{Compare for quick sort}
begin
Result:=Length(PString(P2)^)-Length(PString(P1)^);
end;
procedure ShowStringLengths(SA: array of string; Memo: TMemo);
{Sort strings by length and display string and length}
var List: TList;
var I: integer;
var S: string;
begin
List:=TList.Create;
try
for I:=0 to High(SA) do
List.Add(@SA[I]);
List.Sort(Compare);
for I:=0 to List.Count-1 do
begin
S:=PString(List[I])^;
Memo.Lines.Add(IntToStr(Length(S))+': '+S);
end;
finally List.Free; end;
end;
procedure SortedStringLists(Memo: TMemo);
{Test two different string arrays}
begin
Memo.Lines.Add('Two word test: ');
Memo.Lines.Add('');
ShowStringLengths(SA1,Memo);
Memo.Lines.Add('');
Memo.Lines.Add('Twelve word test: ');
Memo.Lines.Add('');
ShowStringLengths(SA2,Memo);
end;
</syntaxhighlight>
{{out}}
<pre>
Two word test:
16: Very Long String
12: short string
Twelve word test:
9: hourglass
7: through
5: lives
5: these
5: sands
4: days
4: Like
3: our
3: are
3: the
3: the
2: of
</pre>
=={{header|EasyLang}}==
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