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Hopefully this is an easy one for someone out there. I need to append a long command that has strings and variables in it. 

this->AppendHeader("Content-Range", "bytes " + offset "-" + (offset + part_size - 1) "/" + file_size);

This is not acceptable in C++. How can I format the above so the Header looks like

Content-Range: bytes 0-19/40

(just a fyi - offset is 0, part_size is 20 and file_size is 40)

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    I am not a C++ developer but is what you are looking for String interpolation? like this? stackoverflow.com/questions/10219225 Commented Apr 20, 2018 at 9:50
  • @Landy Thanks! I think it was the "/" it didnt like. I used single quotes and it seemed to compile. Commented Apr 20, 2018 at 10:05
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