Drawing ACS-mode boxes in the terminal with Ruby
by Annika Backstrom in
misc, on 15 August 2012.
It is tagged
#Computers, #Terminal, and #unicode. (history)
VT100 included an alternate character set (ACS) that enabled box drawing within the terminal. Here's a script from StackOverflow to test support for ACS:
If your stack supports Unicode, some software may choose to instead draw boxes using Unicode's "box drawing" block.
Related reading: