Plain text file in TFile

Hi everyone,

My program creates a TFile with some objects in it, I would also like to include a log file in it with some notes (plain text), instead of creating a separate .txt file. What’s the best way to do this?

Use the TMacro class.

//TFile is already opened, "/tmp/log.txt" already available.
TMacro ma("/tmp/log.txt","My Log File");

If you prefer to write your log file line by line instead of storing it temporarily in a file log.txt, you can use the AddLine method.

In either case, later on, you can open your TFile with a TBrowser, right click on the TMacro object, Print, and you get the output written on the console.

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