The `pepcli` application provides command line help if it is invoked without parameters, or with the `--help` switch. The following invocations therefore produce the same results:
The `pepcli` application provides command line help if it is invoked without parameters, or with the `--help` switch:
```
```
pepcli
pepcli # Produces command line help
pepcli --help
pepcli --help # Produces command line help
```
```
The `--help` switch is also supported by most (or all?) of `pepcli`'s commands and subcommands. This can be used to "drill down" to the command a user wishes to issue, e.g.:
The `--help` switch is also supported by most (or all?) of `pepcli`'s commands and subcommands. This can be used to "drill down" to the command a user wishes to issue, e.g.:
```
<pre>
pepcli --help # Output includes the <em>ama</em> command
pepcli --help # Output includes the <em>ama</em> command
pepcli ama --help # Output includes the <em>query</em> subcommand
pepcli ama --help # Output includes the <em>query</em> subcommand
pepcli ama query --help # Output mentions the <em>--column-group</em> switch
pepcli ama query --help # Output mentions the <em>--column-group</em> switch
pepcli ama query --column-group ShortPseudonyms # Produces the information the user was after
pepcli ama query --column-group ShortPseudonyms # Produces the information the user was after