Copying Multi Line from Terminal Inserts Line Breaks

[cancan101]

When I copy text from a jupyter notebook terminal session that spans multiple lines, line breaks are inserted.

[takluyver]

Can you describe a bit more the results and what you expected? Thanks.

[cancan101]

I run:

# python -c 'print("M"*455)'

And I get (notice the line breaks when I copy out of the terminal):

MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM

[takluyver]

I think that's not unusual for terminal emulators, although modern ones (including Gnome terminal, which I use) preserve it without the linebreaks. If you want to chase it up, the terminal component we use is xterm.js, so that's where it would need to be changed. See maybe xtermjs/xterm.js#404.

[cancan101]

I think this is the upstream issue: xtermjs/xterm.js#443.

[cancan101]

This has now been fixed in: xtermjs/xterm.js#693

[takluyver]

Thanks @cancan101 . We should remember to update our version of xterm when there's a release with that fix.

[cancan101]

Okay, 2.8.0 has been released with the fix: https://github.com/sourcelair/xterm.js/releases/tag/2.8.0