use the wodim binary instead. Wodim is the debian fork of Joerg Schillings
cdrecord.
+: **changed()**
+Lists files in current directory, which have been changed within the
+last N days. N is an integer required as first and only argument.
+
: **check_com()**
Returns true if given command exists either as program, function, alias,
builtin or reserved word. If the option -c is given, only returns true,