file-backup
# File Backup
Create a timestamped backup copy of any file with a single command.
## Usage
```bash
cp <FILE_PATH> <FILE_PATH>.bak.$(date +%Y%m%d_%H%M%S)
```
**Arguments:**
| # | Name | Description |
|---|------|-------------|
| 1 | FILE_PATH | Path to the file to back up |
## Example
```bash
cp /home/user/config.yaml /home/user/config.yaml.bak.$(date +%Y%m%d_%H%M%S)
```
**Output:**
```
(no output on success)
```
The backup file is created as: `ORIGINAL_NAME.bak.YYYYMMDD_HHMMSS`
Example: `config.yaml` → `config.yaml.bak.20260328_143022`
## Success / Failure
- **Success**: No output, exit code 0. Backup file created in same directory.
- **Failure**: Error message from `cp` (exit code non-zero, e.g. file not found)
## Verify Backup
To confirm the backup was created:
```bash
ls -la <FILE_PATH>.bak.*
```
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ai
