@NotNull
    public static String[] getSystemPath() {
        return System.getenv("PATH").split(Pattern.quote(File.pathSeparator));
    }
Check whether an executable exists, either at a specific path (if a full path is given) or
on the PATH.

@param executable the name of an executable on the PATH or a complete path to an executable that may/may not exist
@return  whether the executable exists and is executable
core/src/main/java/org/testcontainers/utility/CommandLine.java