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lisp2arx / Delphi , InnoPascal / Delphi32-retrieve Environmental Variables as strings by name  
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zauchan
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{ This code is very useful if you need to "translate" various
environmental variables. I use this a lot to get paths to TEMP
or windows folders on different systems.}

Code:

Function php_getenv(dfn_var_isstr:shortstring;local_only :wordbool):string;
var BufSize: Integer;  // buffer size required for value
begin
  // Get required buffer size (inc. terminal #0)
  dfn_var_isstr:=concat(dfn_var_isstr,#0,#0,#0);
  BufSize := GetEnvironmentVariable(@dfn_var_isstr[1], nil, 0);
  if BufSize > 0 then
  begin
    // Read env var value into result string
    SetLength(Result, BufSize - 1);
    GetEnvironmentVariable(@dfn_var_isstr[1],PChar(Result), BufSize);
  end
  else
    // No such environment variable
    Result := '';
end;//far.exe("'Path',Path php_getenv_path")



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