# car-utils
The project is utils of CAR file which used in WASM runtime.
if you wanna lean about WASM runtime, please vist "https://github.com/blocklessnetwork/runtime/".
## How to intsall.
use cargo install to install the command
```
cargo install car-utils
```
car-utils install in the cargo bin directory.
### How to use.
execute the command `car-utils -help` to show the command help.
```
Usage: car-utils [COMMAND]
Commands:
ar archive local file system to a car file.
ls list the car files
ex extract the car files
help Print this message or the help of the given subcommand(s)
Options:
-h, --help Print help
```
#### ar subcommand
archive the local directory to the car file.
```
archive local file system to a car file.
Usage: car-utils ar -c <car> -s <source>
Options:
-c <car> the car file for archive
-s <source> the source directory to archived
-h, --help Print help
```
#### ls subcommand
list file structures in the car file.
```
list the car files
Usage: car-utils ls -c <car>
Options:
-c <car> the car file for list
-h, --help Print help
```
#### ex subcommand
extract the files in the car file to the target directory.
```
Usage: car-utils ex [OPTIONS] -c <car>
Options:
-c <car> the car file for extract
-t <target> the target directory to extract
-h, --help Print help
```