Checks if a file is in a recognized audio file format
issndfile filename
The issndfile program checks the specified file to see if it is in one of the recognized audio file formats and, if it is, returns a zero (true) exit status; otherwise, a non-zero (false) exit status is returned.
nas(1)
Copyright 1994 Network Computing Devices, Inc.
Greg Renda, Network Computing Devices, Inc.