chickadee » srfi-27 » make-entropy-source/file-timed

(make-entropy-source/file-timed NAMSTR SECONDS [name: (NAME (gensym 'file-))] [docu: (DOCU (string-append "Entropy from file \"" namstr "\""))]) -> entropy-sourceprocedure

Returns an unregistered entropy-source using the file named by the pathname NAMSTR & a lifetime restricted to SECONDS.

SECONDS
real ; timeout.

The opened port for the file NAMSTR is interpreted as with make-entropy-source/port-open.