$ pda set a1 1
$ pda set a2 2
$ pda set b1 3
$ fecho dumpfile {"key":"a1","value":"1","encoding":"text"} {"key":"a2","value":"2","encoding":"text"} {"key":"b1","value":"3","encoding":"text"}
$ pda rm a1 a2 b1
$ pda restore --key "a*" --file dumpfile
  ok  restored 2 entries into @default
$ pda get a1
1
$ pda get a2
2
$ pda get b1 --> FAIL
FAIL  cannot get 'b1': no such key
hint  did you mean 'a1'?
$ pda restore --key "c*" --file dumpfile --> FAIL
FAIL  cannot restore '@default': no matches for key pattern 'c*'