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# pup
`pup` is a command line tool for processing HTML. It reads from stdin,
pup is a command line tool for processing HTML. It reads from stdin,
prints to stdout, and allows the user to filter parts ot the page using
[CCS selectors](http://www.w3schools.com/cssref/css_selectors.asp).
Inspired by [`jq`](http://stedolan.github.io/jq/), `pup` aims to be a
Inspired by [jq](http://stedolan.github.io/jq/), pup aims to be a
fast and flexible way of exploring HTML from the terminal.
Looking for feature requests and argument design, feel free to open an
issue if you'd like to comment.
## Install
go get github.com/ericchiang/pup
## Quick start
```bash
$ curl http://www.pro-football-reference.com/years/2013/games.htm
```
Ew, HTML. Let's run that through some pup selectors:
```bash
$ curl http://www.pro-football-reference.com/years/2013/games.htm | \
pup table#games a[href*=boxscores] attr{href}
```
## Basic Usage
```bash
@ -25,7 +41,7 @@ $ pup < index.html [selectors and flags]
## Examples
Download a webpage with `wget`.
Download a webpage with wget.
```bash
$ wget http://en.wikipedia.org/wiki/Robots_exclusion_standard -O robots.html
@ -33,7 +49,7 @@ $ wget http://en.wikipedia.org/wiki/Robots_exclusion_standard -O robots.html
####Clean and indent
By default `pup` will fill in missing tags and properly indent the page.
By default pup will fill in missing tags and properly indent the page.
```bash
$ cat robots.html
@ -60,8 +76,7 @@ $ pup < robots.html span#See_also
####Chain selectors together
The following two commands are equivalent. (NOTE: pipes do not work with the
`--color` flag)
The following two commands are (somewhat) equivalent.
```bash
$ pup < robots.html table.navbox ul a | tail
@ -86,12 +101,9 @@ Both produce the ouput:
</a>
```
####How many nodes are selected by a filter?
```bash
$ pup < robots.html a -n
283
```
Because pup reconstructs the HTML parse tree, funny things can
happen when piping two commands together. I'd recommend chaining
commands rather than pipes.
####Limit print level
@ -197,4 +209,3 @@ $ pup < robots.html a attr{href} | head
## TODO:
* Print as json function `json{}`
* Switch `-n` from a flag to a function