This is very cool stuff but I suspect that the code is unreadable to many
readers, including me. Just for fun here is a complete program, written in
Turbo Pascal, circa 1982, that does the job. Readable n'est pas?
Program dash;
var str: string[80];
n: integer;
odd: boolean;
begin
str:='Hi there_how are you?_';
odd::=TRUE;
for n:= 1 to length(str) do begin
if ((str[n]='_') and (odd=TRUE)) then begin
str[n]:= ',';
odd:=FALSE; end
else
if ((str[n]='_') and (odd=FALSE) then begin
str[n]:= ':';
odd:= TRUE; end;
end; {for}
writeln(str);
end. {dash}
Regards,
Gord
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