strlower
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## strlower

strlower — Convert a string to lower case

## Description

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.

Example 1049. Example of the strlower opcode.

See the sections Real-time Audio and Command Line Flags for more information on using command line flags.

    <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

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