Diffr

CLI diff tool for files, text, and JSON written in Node.js

Install

npm install diffr -g

Usage

  Usage: diffr [options] <file ...>

  Options:

    -h, --help           output usage information
    -V, --version        output the version number
    -t, --text [value]   Add text string to be diff'd
    -j, --json [string]  Add json string to be diff'd
    -f, --file <file>    Add file to be diff'd
    -c, --column         Columnized output

Examples

Text

$ diffr -t "hello\nworld" -t "hello\nnijiko"

JSON

$ diffr -j "{\"hello\":\"world\"}" -j "{\"hello\":\"nijiko\"}"

File

$ diffr diffr.js package.json

File Descriptors / Streams

$ diffr <(curl -Is https://httpbin.org/ip  2>&1) <(curl -Is https://httpbin.org  2>&1)

   HTTP/1.1 200 OK
   Server: nginx
   Date: Wed, 25 Mar 2015 07:10:56 GMT
 - Content-Type: text/html; charset=utf-8
 + Content-Type: application/json
 - Content-Length: 11729
 + Content-Length: 32
   Connection: keep-alive
   Access-Control-Allow-Origin: *
   Access-Control-Allow-Credentials: true

Columnized Output

ᐅ ./diffr.js -c <(curl -Is https://httpbin.org/ip  2>&1) <(curl -Is https://httpbin.org  2>&1)

   HTTP/1.1 200 OK                            HTTP/1.1 200 OK
   Server: nginx                              Server: nginx
   Date: Wed, 25 Mar 2015 18:29:37 GMT        Date: Wed, 25 Mar 2015 18:29:37 GMT
 - Content-Type: text/html; charset=utf-8   + Content-Type: application/json
 - Content-Length: 11729                    + Content-Length: 32
   Connection: keep-alive                     Connection: keep-alive
   Access-Control-Allow-Origin: *             Access-Control-Allow-Origin: *
   Access-Control-Allo

License

MIT