$ pda set foo 1
$ pda set bar 2
$ pda ls
KEY         VALUE                        TTL        
a           echo hello (..1 more chars)  no expiry  
a1          1                            no expiry  
a2          2                            no expiry  
b1          3                            no expiry  
bar         2                            no expiry  
copied-key  hidden-value                 no expiry  
foo         1                            no expiry  
moved-key   hidden-value                 no expiry
$ pda rm foo --glob "*"
$ pda get bar --> FAIL
FAIL  cannot get 'bar': no such key
$ pda get foo --> FAIL
FAIL  cannot get 'foo': no such key