$ fecho cmd echo hello world
$ pda set a --secret < cmd
$ pda get a --run --> FAIL
Error: "a" is marked secret; re-run with --secret to display it
Usage:
  pda get KEY[@DB] [flags]

Aliases:
  get, g

Flags:
  -h, --help             help for get
  -b, --include-binary   include binary data in text output
      --no-template      directly output template syntax
  -c, --run              execute the result as a shell command
      --secret           display values marked as secret