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Phill
Can you help me with the -if part then. If I simply remove -n the condition fails.
Output from exiftool -FNumber Zeiss.NEF:
Mark:Testing$ exiftool -FNumber Zeiss.NEF
F Number : 0.0
but the condition fails with 0.0.
Could you also enlighten me what the 4 required values for Nikon:Lens are?
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