fileLocate

fileLocate(
  const filename,  // name of file to search
  const varname)   // environment variable with path's

Searches a file in all directories listed in a specific environment variable as PATH, INCLUDE, LIB ond so on. Returns fully qualified pathname of found file. If file is not found an empty string is returned.

Example:

var zip = fileLocate('pkunzip2.exe', 'path');
if (zip == '') throw 'pkunzip2.exe not found';
sysLog('zip = '|zip); // 'zip = f:\ibk\pbin\pkunzip2.exe'