strrindex

Return the position of the last occurence of S2 in S1, or -1 if not found. If S2 is empty, the length of S1 is returned.

strrindex runs at init time only.

Syntax

ModernClassic

ipos = strrindex(S1, S2)

ipos strrindex S1, S2

Examples

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

<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
-n    ;;;no sound output
;-iadc    ;;;uncomment -iadc if realtime audio input is needed too
</CsOptions>
<CsInstruments>
;example by Joachim Heintz

  opcode FilNam, S, S
;returns the name of a file path
Spath  xin
ipos   strrindex Spath, "/"     ;look for the rightmost '/'
Snam   strsub    Spath, ipos+1  ;extract the substring 
       xout      Snam
  endop

instr name
       prints    "Printing name:\n"
Snam   FilNam    "/my/dir/my/file.WAV"
       puts      Snam, 1  

endin 
</CsInstruments>
<CsScore>
i "name" 0 0
e
</CsScore>
</CsoundSynthesizer>

See Also

String Manipulation Opcodes

Credits

Author: Istvan Varga
2006

New in version 5.02