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Title: How long is (a piece of) string? user defined tag
Post by: dpawson on July 22, 2020, 06:51:19 AM

tag added in config file

0xd000 => {
Name => 'SearchTag',
Writable => 'string',
WriteGroup => 'IFD0',
},

Is there a limit on the length of the string value for this tag please?
If so, what is the limit please?

Title: Re: How long is (a piece of) string? user defined tag
Post by: Phil Harvey on July 22, 2020, 07:24:01 AM

The limit for a TIFF-based file would be close to 2³². For a JPEG file it would be 2¹⁶.

- Phil

Title: Re: How long is (a piece of) string? user defined tag
Post by: dpawson on July 22, 2020, 10:22:07 AM

Thanks Phil.
(being awkward) - for a raw file, can I assume >256 bytes please?
That should be sufficient for my needs (cataloging)

Title: Re: How long is (a piece of) string? user defined tag
Post by: StarGeek on July 22, 2020, 10:46:05 AM

Most RAW files are Tiff based, so I would assume the first answer.

Title: Re: How long is (a piece of) string? user defined tag
Post by: dpawson on July 24, 2020, 04:38:51 AM

Thanks for that.

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ExifTool => Newbies => Topic started by: dpawson on July 22, 2020, 06:51:19 AM