strlower

Convert Ssrc to lower case, and write the result to Sdst.

strlower runs at init time only.

Syntax

Sdst strlower Ssrc

Examples

Here is an example of the strlower opcode. It uses the file strlower.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 of Joachim Heintz

  opcode FilSuf, S, So
  ;returns the suffix of a filename or path, optional in lower case 
Spath,ilow xin
ipos   strrindex Spath, "."     ;look for the rightmost '.'
Suf    strsub    Spath, ipos+1  ;extract the substring after "."
 if ilow != 0 then              ;if ilow input is not 0 then 
Suf    strlower  Suf            ;convert to lower case
 endif
       xout      Suf
  endop

instr suff

ilow = p4
       prints    "Printing suffix:\n"
Suf    FilSuf    "/my/dir/my/file.WAV", ilow
       puts      Suf, 1

endin
</CsInstruments>
<CsScore>
i "suff" 0 1 0  ;do not convert to lower case
i "suff" 3 1 1  ;convert to lower case
e
</CsScore>
</CsoundSynthesizer>

See Also

String Conversion Opcodes

Credits

Author: Istvan Varga
2006

New in version 5.02