for lack of knowing what the system (in my case Windows) would accept, I
used a kind of "brute force" method to check the validitiy of a file name:
1) check if file exits, then name is valid
2) check if file can be created, then file name is valid
3) cleanup
sample code.
::routine checkFileNameValid
isValid = .True
if sysIsFile(file) then return isValid
fs = .stream~new(file)~~open
if fs~state <> 'READY' then isValid = .False
fs~close
call sysFileDelete
return isvalid
2013/1/26 Staffan Tylen <staffan.ty...@gmail.com>
>
> Well, a go-n0go would be to enter a command that is looking for a file
>> name.
>> ?? No??
>>
>
> In a way your are right but consider this: A prompt is asking the user to
> enter some information, which will be used as part of a file name. If the
> code then tries to use it as a file name using whatever system function it
> would (probably) get OK or ERROR in return, but that's it. Not very
> helpful, especially to the user having to correct it.
>
> IMHO there should be a system function to verify the correctness of a file
> name...
>
> Staffan
>
>
>
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