# watchdiff
Watch output and trigger on diff!
Ever want to have `watch` output only tell you what changed? And not only what, but when? Now you can! Enter: `watchdiff`.
Watchdiff will monitor command output and will output in the terminal whenever a difference was detected in the output of the running program.
## Usage
```bash
USAGE:
watchdiff [FLAGS] [OPTIONS] [command]...
FLAGS:
-h, --help Prints help information
-p, --permament Compare to the initial output (permament mode)
-V, --version Prints version information
OPTIONS:
-d, --delay <delay> Delay between runs in seconds [default: 2]
ARGS:
<command>... Command to run
```
To run a command with arguments use `--` to escape `watchdiff`s argument parser, like so:
```
watchdiff -d 5 -- ls -alh
```
## Installation
If you have Rust and Cargo installed, Watchdiff can be quickly compiled and installed by running the following command:
```
cargo install watchdiff
```
This will install Watchdiff to ~/.cargo/bin/watchdiff, which might need to be added to your shell's PATH variable.
## Example output
The Watchdiff output is colorized such that red lines with a `-` prepended were removed, and green lines with a `+` were added.
