nix/home/program/bash/module/Copypaste.nix

{ ... }:
{
  text = ''
    # Copy stdin to system clipboard. *Example:* `echo hi \| copy`.
    function copy() {
      wl-copy
    }

    # Paste system clipboard to stdout. *Example:* `paste > file.txt`.
    function paste() {
      wl-paste
    }
  '';
}