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else

Executes a block of code when an "if...then" condition is false.

Syntax

else

Performance

else is used inside of a block of code between the "if...then" and endif opcodes. It defines which statements are executed when a "if...then" condition is false. Only one else statement may occur and it must be the last conditional statement before the endif opcode.

Examples

Here is an example of the else opcode. It uses the file else.csd.

Example of the else opcode.
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<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
-odac     ;;;realtime audio out
;-iadc    ;;;uncomment -iadc if realtime audio input is needed too
; For Non-realtime ouput leave only the line below:
; -o else.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>

sr = 44100
ksmps = 32
nchnls = 2
0dbfs = 1

instr 1

ipch = cpspch(p4)
ienv = p5


if (ienv == 0) then     
        kenv adsr 0.01, 0.95, .7, .5
else
        kenv linseg 0, p3 * .5, 1, p3 * .5, 0
endif

aout vco2    .8, ipch, 10
aout moogvcf aout, ipch + (kenv * 6 * ipch) , .5

aout = aout * kenv
    outs aout, aout

endin
</CsInstruments>
<CsScore>

i 1 0 2 8.00 0
i 1 3 2 8.00 1

e
</CsScore>
</CsoundSynthesizer>

See also

Program Flow Control

More information on this opcode: http://www.csoundjournal.com/2006spring/controlFlow.html, written by Steven Yi

Credits

New in version 4.21