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It would be awesome to modify spark to print narrow characters in for example Gnome Terminal. Is this at all possible with Bash / Python?

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By "narrow characters" you mean literally characters of lower width than normal letters? –  rozcietrzewiacz Nov 18 '11 at 14:55
    
Yes. Is there another definition of "narrow"? –  l0b0 Nov 18 '11 at 15:36
    
I think there is, but don't recall it - so I wanted to clarify. –  rozcietrzewiacz Nov 18 '11 at 15:40
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...There definitely is a special meaning for a wide character and that made me a bit confused about "narrow". –  rozcietrzewiacz Nov 18 '11 at 15:53
    
Thanks all. Answers as expected, but I just wanted to make sure. You never know what's possible :) –  l0b0 Nov 19 '11 at 14:08

2 Answers 2

up vote 4 down vote accepted

No. While VT100-compatible terminals do have support for double-width lines (using the DECDWL control sequence), they don't have support for narrow lines or characters.

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As I read the source of spark, I can see it just uses the special ASCII characters as "ticks" - so, in general, the answer is no, because that would need the font to be changed on-the fly. Well, maybe you could actually use a special, non-fxed-width font defined, for example, as the italics or bold font for the terminal, but that would be a one-time andjustment (choosing the font) and would affect all terminal output that'd normally be printed in italics/bold - and that is definitely not desirable.

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