this is a small little piece of code I made that saves RAM/ROM wear by smartly running the progdet(9                                     //loads the program list into Ans
if inString(Ans,"<progname>              //checks to see if program exists
then
if inString(det(0,"<progname>",7),"A       //checks to see if program is archived
then
"<progname>                            //saves the program name into Ans
real(10,0,1                            //creates temp file
If ("BB6D"=det(14,"XTEMP001",0,2)) or ("BB6C"=det(14,"XTEMP001",0,2
Then
Asm(prgmXTEMP001                    //runs temp file
Else
prgmXTEMP001
End
real(10,1,1                        //deletes temp file
Else
If ("BB6D"=det(14,"XTEMP001",0,2)) or ("BB6C"=det(14,"XTEMP001",0,2
Then
Asm(prgm<progname>              //if program is not archived, it will run it directly
Else
prgm<progname>
End
det(0,"<progname>",0              //and then archive it
End
[getkey]                            //just clears the last keypress and loads it into Ans
Endanything in [ ] is optional

EDIT: I have added Iambian's suggestion, with the Then command
hmm, I had also worked out a way to run a program that would run more without using the same temporary program, so you could have a huge tree of programs that would run each other without using the same temp program...of course it wasn't perfect, if you had another program run another, you wouldn't delete the last one you where on...I'll have to post the code when I remember it, so you guys can look at it

yeah it would, but of course you have to hard code the program name into this, so yeah...

Sorry after your 2nd post I don't know what it's supposed to do anymore. Could you post an example of what it does in a screenshot?

A little side note for the first one, you can automate the selection of whether or not it's a "BASIC" program or an ASM program by making the following test:
If ("BB6D"=det(14,"XTEMP001",0,2)) or ("BB6C"=det(14,"XTEMP001",0,2))
Then
//run code if ASM binary or hex
Else
//run code if "BASIC" program (no ASM header)
End
That bit employs the BINREAD command to check the leading token to determine if it's HexASM/ASM (respectively). If the first two bytes does not contain those tokens, it's probably safe to assume it's a BASIC program. The difference between the runs of code would be the addition of the "Asm(" token, but at least it can be further automated in this fashion.

EDIT: The reason why there's two tests (the or statement) is because it's a slightly different "token" depending on the exact form of the ASM program. Though the user might end up using either one or the other, the run of code I posted helps ensure that there will be no error if that little fact is neglected. Also, I put BASIC in quotes because I'm pretty sure someone (like me) would create a binary data file that lacks a header and would most likely be interpreted as a BASIC program insofar as much as the built-in editor is concerned. Again, I'm pretty sure that's not much of a concern, but I want to make it clear in case someone forgets about that type of possibility too. Unfortunately, I've no way to automate detection of that scenario.

EDIT2: Fixed code to include the forgotten "Then" statement. Gosh, I am SO out of touch with BASIC, it's not even funny.

"Filetype" as in "contents of header" ? If so, you'd want to look into det(9...), which is pretty much an ION-style file detector. In a space-delimited string, you can extract the file names that have that special header and run through the list one by one.

If by "filename", you'd want to look into det(32...)

Am I missing something?