Searching for executable files in system paths.
||System paths where executable files can be found.|
||Default executable extensions for the current system. On Windows this functions examines PATHEXT environment variable to get the list of executables extensions. Fallbacks to .exe;.com;.bat;.cmd if PATHEXT does not list .exe extension. On other systems it always returns empty range.|
||Find executable by fileName in the paths.|
||ditto, but on Windows when fileName extension is omitted, executable extensions are appended during search.|
||ditto, but searches in system paths, determined by PATH environment variable. On Windows when fileName extension is omitted, executable extensions are appended during search.|
Roman Chistokhodov 2016