emoji side quest Notes - ipatch/dotfiles GitHub Wiki
Emoji glyphs are stored as png images at different resolutions, ie. 20,32,40,48,64,96,160 pixels.
TL;DR
Install uni2ascii
using your favorite package manager
To get the unicode for an emoji, ie. 💩
echo '💩' | uni2ascii -a U -q
Outputs
\u1F4A9
To get an emoji from unicode
echo '\u1F4A9' | ascii2uni -a U -q
Outputs
💩