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### 6.4 Configuration files

There are a few configuration files to control certain aspects of `scdaemons`’s operation. Unless noted, they are expected in the current home directory (see option --homedir).

`scdaemon.conf` ¶

  This is the standard configuration file read by `scdaemon` on startup. It may contain any valid long option; the leading two dashes may not be entered and the option may not be abbreviated. This default name may be changed on the command line (see option --options).

`scd-event` ¶

  If this file is present and executable, it will be called on every card reader’s status change. An example of this script is provided with the distribution

`reader_n.status`

  This file is created by `scdaemon` to let other applications now about reader status changes. Its use is now deprecated in favor of `scd-event`.