# Composable functions

## Example

### With pipes

    musala-pull SOURCE \
      | musala-add TASK \
      | musala-remove --purge SOMETASK \
      | musala-push DEST

### With internal filters

Also writeable like

    musala pull SOURCE % add TASK1 % remove --purge TASK2 % push DEST


## Commands

### musala pull

Download all tasks from source

Get tasks from remote source

Writes tasks as JSON to stdout

### musala add

Add new task

Get tasks from stdin (json)

Add a new task

Writes tasks as JSON to stdout

### musala remove

* Get tasks from stdin (json)
* Mark a task as removed
* Remove tasks marked as remove (if --purge enabled)
* Writes tasks as JSON to stdout

### musala push

* Get tasks from stdin (json)
* Writes tasks to REMOTE DESTINATION