Here is an example of the filelen opcode. It uses the files filelen.orc, filelen.sco, and mary.wav.
Example 1. Example of the filelen opcode.
/* filelen.orc */
; Initialize the global variables.
sr = 44100
kr = 4410
ksmps = 10
nchnls = 1
; Instrument #1.
instr 1
; Print out the length of the audio file
; "mary.wav" in seconds.
ilen filelen "mary.wav"
print ilen
endin
/* filelen.orc */
/* filelen.sco */
; Play Instrument #1 for 1 second.
i 1 0 1
e
/* filelen.sco */
instr 1: ilen = 3.501