boxdraw

Convert ascii grid drawings into unicode "box-drawing" characters.

Contents - Install | Usage | Examples | Tests | License

Install

npm install -g boxdraw  # installs "boxdraw" to npm bin, ensure that directory is on your path
boxdraw <<-EOF          # PRESS ENTER
> +-+                   # PASTE INPUT
> | |
> +-+
> EOF                   # ENTER "EOF"
┌─┐                     # PRESS ENTER
│ │
└─┘

Or,

git clone git@github.com:evnp/boxdraw.git
cp ./boxdraw/boxdraw ~/bin  # or /usr/local/bin, or any other dir on $PATH

# Or run boxdraw script directly from source:
cd boxdraw
./boxdraw < input.txt

# Run 'demo' to get a sense of expected input/output:
cat test-in.txt  # input
npm run demo     # output

Usage

boxdraw --help

Usage:

  boxdraw <<-EOF    # PRESS ENTER
  > +-+             # PASTE INPUT
  > +-+
  > EOF             # ENTER "EOF"
  ┌─┐               # PRESS ENTER
  └─┘

  OR

  boxdraw < inputfile.txt

Options:

  boxdraw 8 < inputfile.txt         # Draw with margin of 8 lines/spaces
  boxdraw 0 bold < inputfile.txt    # Draw with bold "box-drawing" characters
  boxdraw 2 double < inputfile.txt  # Draw with double-line "box-drawing" characters AND margin

More information:

  https://github.com/evnp/boxdraw
  https://en.wikipedia.org/wiki/Box-drawing_character

Run on file input

boxdraw < inputfile.txt

Run on pasted input

boxdraw <<-EOF    # PRESS ENTER
> +-+---+         # PASTE INPUT
> | |   |
> +-+-+ |
> | | | |
> +-+-+-+
> EOF             # ENTER "EOF"
                  # PRESS ENTER
┌─┬───┐
│ │   │
├─┼─┐ │
│ │ │ │
└─┴─┴─┘

Draw grids for input

http://asciiflow.com/

Style options

Margins:

boxdraw 3 <<-EOF
> +-+---+
> | |   |
> +-+-+ |
> | | | |
> +-+-+-+
> EOF




   ┌─┬───┐
   │ │   │
   ├─┼─┐ │
   │ │ │ │
   └─┴─┴─┘

Line style:

boxdraw 0 bold <<-EOF
> +-+---+
> | |   |
> +-+-+ |
> | | | |
> +-+-+-+
> EOF

┏━┳━━━┓
┃ ┃   ┃
┣━╋━┓ ┃
┃ ┃ ┃ ┃
┗━┻━┻━┛

boxdraw 0 double <<-EOF
> +-+---+
> | |   |
> +-+-+ |
> | | | |
> +-+-+-+
> EOF

╔═╦═══╗
║ ║   ║
╠═╬═╗ ║
║ ║ ║ ║
╚═╩═╩═╝

Tests

Run once:

npm install
npm test

Use fswatch to re-run tests on file changes:

brew install fswatch
npm install
npm run testw

Non-OSX: replace brew install fswatch with package manager of choice (see fswatch docs)

License

MIT