-a Simple option
-b
Simple option on next line
--very-long-option Long option
+f Option using +
-f FILE Option with value 1
--file=FILE Option with value 2
-2, --two Two options in a row.
-f FILE, --file=FILE Two options with values in a row.
/V A VMS/DOS-style option.
----------------------------------------------------
[
["command-line-option", "-a"],
" Simple option\r\n",
["command-line-option", "-b"],
"\r\n Simple option on next line\r\n",
["command-line-option", "--very-long-option"],
" Long option\r\n",
["command-line-option", "+f"],
" Option using +\r\n",
["command-line-option", "-f FILE"],
" Option with value 1\r\n",
["command-line-option", "--file=FILE"],
" Option with value 2\r\n",
["command-line-option", "-2, --two"],
" Two options in a row.\r\n",
["command-line-option", "-f FILE, --file=FILE"],
" Two options with values in a row.\r\n",
["command-line-option", "/V"],
" A VMS/DOS-style option."
]
----------------------------------------------------
Checks for command line options.
