# csc — Cluster SSH Command

Run a command over SSH on a group of hosts, with colored per-host output and progress tracking.

## Install

Copy `csc` somewhere in your `$PATH` and make it executable:

```bash
cp csc ~/.local/bin/csc
chmod +x ~/.local/bin/csc
```

## Configuration

Host groups are plain text files under `~/.config/csc/` (one hostname per line, `#` comments supported):

```
# ~/.config/csc/webservers
web01.example.com
web02.example.com
# web03.example.com  (disabled)
```

## Usage

```
Usage: csc [OPTION]... [COMMAND]
  -h  show help
  -v  enable verbose mode
  -c  specify config dir, default is ~/.config/csc
  -g  specify group
  -d  enable dry run mode
```

```bash
csc -g webservers uptime
csc -g webservers -d "apt-get upgrade -y"   # dry run: shows commands, no ssh
csc -g webservers -v df -h                  # verbose
csc -g webservers -c /etc/csc uptime        # custom config dir
```

## Output

```
[1/2] "uptime" on web01  →  ssh -t web01 "TERM=xterm DEBIAN_FRONTEND=dialog uptime"
✓ ok
[2/2] "uptime" on web02  →  ...
✗ failed (exit 255)
```