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Applications like tree use some special characters to display ascii art. Unfortunately, gnome-terminal has a line height higher than the characters, giving spaces between the lines. See the screenshot:

tree display

Is there a way to get rid space between the lines and have a nicer tree display?

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I can't replicate the problem with tee using bash on Ubuntu 12.10 with the default system terminal. The lines appear joined. – Kevin Nov 15 '12 at 19:19
up vote 1 down vote accepted

My problem was on a Ubuntu 12.04 system. Trying it on 12.10 worked - the lines are joined. Thanks Mowgli for the hint.

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Just for reference: it got "fixed" in Ubuntu 12.10 because gnome-terminal (well, actually vte) no longer takes these line drawing characters from the font, but has a special code to draw them manually instead.

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