>Not sure if this is known or not but it appears that the JUSTEXT(), JUSTFNAME(), JUSTPATH(), JUSTSTEM() functions cannot handle a first parameter string of greater than 255 chars for the file path + name portion.
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>? JUSTEXT( REPLICATE("X",255) + ".TXT" ) && returns ".txt" ok
>? JUSTEXT( REPLICATE("X",256) + ".TXT" ) && gives  invalid path name
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>Or perhaps Windows has a limit on file name size? I have found URL's longer than this with a file name at the end and thats how I came across this when trying to parse the file name/extention.

Jos,

I'd say it's a Fox limitation. I'd be tempted to say it's a Windows one since the current value of MAX_PATH is 260. However, because of other similar limitations using 255, I'm leaning to it being a Fox problem.