Images & formatting lost after writing to existing file about spreadsheet HOT 13 OPEN

which software created the original file you are trying to edit with the Spreadsheet Gem?

The original template file was made manually by a human. The file that I am parsing in Spreadsheet and writing to is a Tempfile that I wrote the original file into (variable tmp in the above example).

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Have you tried writing to a new file? Does that work?

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Have you tried writing to a new file? Does that work?

@zdavatz Could you be more specific? It looks like you're suggesting writing my data to a new file instead of the tmp copy of the template, which would defeat the purpose of what I am trying to do. It is the existing images and styling in the template that are getting lost when I write to unrelated cells/sheets.

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which software created the original file you are trying to edit with the Spreadsheet Gem?

from spreadsheet.

Was the Original File created by Openoffice or MS Office? On Mac or on Windows? Any chances of seeing the original file?

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Was the Original File created by Openoffice or MS Office? On Mac or on Windows? Any chances of seeing the original file?

I'm not able to share the original file unfortunately. And I do not know the circumstances of its original creation. My client has many template files like this that have existed for a long time. If there are ways they could re-create the templates for a better chance of success, then I am all ears.

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I would try to created the templates with Ruby spreadsheet from the start, then modify the file and then save as a new file. Sometimes the software creating the original files adds binary information, that Ruby Spreadsheet does not add, then all fails. So if you can, I would go the whole way with Ruby Spreadsheet.

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I would try to created the templates with Ruby spreadsheet from the start, then modify the file and then save as a new file. Sometimes the software creating the original files adds binary information, that Ruby Spreadsheet does not add, then all fails. So if you can, I would go the whole way with Ruby Spreadsheet.

Ok that could explain it, but I'm still not understanding why this works perfectly:

book = Spreadsheet.open(tmp)

io = StringIO.new
book.write(io)
io.rewind

But this destroys the binary info:

book = Spreadsheet.open(tmp)
sheet = book.worksheet(0)
sheet.rows[1][0] = 'hello'

io = StringIO.new
book.write(io)
io.rewind

What am I missing?

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Can we try to reproduce this with a sample file of yours?

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Can we try to reproduce this with a sample file of yours?

I was able to reproduce with this template file:
template.xls

And here is the resulting export file with "hello" written to it. The image on the second sheet has been lost.
export.xls

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Ok, so the original file was created by Miguel Rocafort. Which software did he use to create the file? Which OS? Did he use the spreadsheet gem to the create the file template.xls?

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