# Merge import updates existing entries and adds new ones
$ pda set existing@mrg old-value
$ fecho dumpfile {"key":"existing","value":"updated","encoding":"text"} {"key":"new","value":"hello","encoding":"text"}
$ pda import mrg --file dumpfile
  ok restored 2 entries into @mrg
$ pda get existing@mrg
updated
$ pda get new@mrg
hello