On 14/11/2023 09:58, paulf wrote:
As it happens, pass(1) appeared to be precisely what I was looking for.
[...]
Plus, it will insert any line in the password file into the clipboard.
In general it is better to avoid secrets copied to the clipboard. Even JavaScript from a web page might read clipboard contents. (Browsers however restrict this ability requiring either user gesture or granting a permission in a popup dialog.)
For Chromium it is better to have a password manager (gnome-keyring/kwallet/keepassxc/etc.) with D-Bus interface. It needs a key to encrypt passwords saved in browser and likely cookie store. Encryption is not applied otherwise.