-: **ogg2mp3_192()**
-Recodes an ogg file to mp3 with a bitrate of 192.
-
-: **peval()**
-Evaluates a perl expression; useful as command line
-calculator, therefore also available as "calc".
-
-: **plap()**
-Lists all occurrences of the string given as argument in current $PATH.
-
-: **purge()**
-Removes typical temporary files (i. e. files like "*~", ".*~", "#*#", "*.o",
-"a.out", "*.core", "*.cmo", "*.cmi" and ".*.swp") from current directory.
-Asks for confirmation.
-
-: **readme()**
-Opens all README-like files in current working directory with the program
-defined in the $PAGER environment variable.