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Determining if a File Exists

Question asked by ClaireCollin on Mar 11, 2014

Title

Determining if a File Exists

Post

     I want to create a field that looks for an associated file (pdf) for each record and tells me if it exists or not.  I found the script below and tried to make it work for this purpose.  I am still new to scripting so I may have selected a wrong option but it gives me NO for everything even though most of the records having existing files.

FOUND SCRIPT:
Set Error Capture [ On ]
# check if file exists
Send Event [ cmd ren somefile.txt somefile.txt ]
Set Field [ tablename::error_capture ; Get ( LastError ) ]
# evaluate result:
# error code 100 = file is missing
If [ tablename::error_capture = 100 ]
  do this
# error code 0 = no error (i.e. file is present)
ElseIf [ tablename::error_capture = 0 ]
  do that
# exception handler
Else
  do the other
EndIf

     MY SCRIPT:

Set Error Capture [ On ]
Send Event [ "<unknown.";"misc";"dosc";"cmd ren LineItems::File Path ]
Set Field [ LineItems::TMaster ; Get ( LastError ) ]
If [ LineItems::TMaster = 100 ]
  Insert Text [Select; "NO"]
ElseIf [ LineItems::TMaster = 0 ]
  Insert Text[Select;"Yes"]
EndIf

     This is the structure of my File Path in case that is causing a problem, Production:Dropbox:Stonehouse:STHS-000 Library:Tag Library:Fronts:STHS-ACA mollis TF.pdf

I am a Mac user so I cant use MooPlug as I have seen mentioned elsewhere.

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