ASCII art to Unicode converter
==============================
Small CLI program to convert ASCII box drawings to unicode. Inspired
by [svgbob](https://github.com/ivanceras/svgbobrus)
and
[The Monads Hidden Behind Every Zipper](http://blog.sigfpe.com/2007/01/monads-hidden-behind-every-zipper.html).
```
> aa2u
+-------------+ |
| Hello World | | -----+
+-------------+ | | +--+
| +-----+ |
----------------------------+ |
| +------+
+-----+---. | |
| +---+ | +--+ |
.---| |---. | | | |
| +---------+ |# | | | |
| |# | | +--+
'-----------------'# | +---------+
################## |
+------+-----+---------+
| This | is | a table |
+------+-----+---------+
| It | has | some |
+------+-----+---------+
| values | |
+------+-----+---------+
| 0 | 1 | 2 | 3 |
+------+-----+----+----+
^D
┌─────────────┐ │
│ Hello World │ │ ─────┐
└─────────────┘ │ │ ┌──┐
│ └─────┘ │
────────────────────────────┤ │
│ ┌──────┘
┌─────┬───╮ │ │
│ └───┤ │ ┌──┐ │
╭───│ │───╮ │ │ │ │
│ └─────────┘ │█ │ │ │ │
│ │█ │ │ └──┘
╰─────────────────╯█ │ └──────────
██████████████████ │
┌──────┬─────┬─────────┐
│ This │ is │ a table │
├──────┼─────┼─────────┤
│ It │ has │ some │
├──────┴─────┼─────────┤
│ values │ │
├──────┬─────┼─────────┤
│ 0 │ 1 │ 2 │ 3 │
└──────┴─────┴────┴────┘
```
### Usage:
```bash
aa2u > outfile # Reads from stdin
aa2u < infile # Prints to stdout
aa2u infile # Input file as argument works as well
aa2u < infile > outfile # Convert a file
```