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GNU Wget Manual

2.2 Option Syntax

Since Wget uses GNU getopts to process its arguments, every option has a short form and a long form. Long options are more convenient to remember, but take time to type. You may freely mix different option styles, or specify options after the command-line arguments. Thus you may write:

wget -r --tries=10 http://fly.srk.fer.hr/ -o log

The space between the option accepting an argument and the argument may be omitted. Instead `-o log' you can write `-olog'.

You may put several options that do not require arguments together, like:

wget -drc URL

This is a complete equivalent of:

wget -d -r -c URL

Since the options can be specified after the arguments, you may terminate them with `--'. So the following will try to download URL `-x', reporting failure to `log':

wget -o log -- -x

The options that accept comma-separated lists all respect the convention that specifying an empty list clears its value. This can be useful to clear the `.wgetrc' settings. For instance, if your `.wgetrc' sets exclude_directories to `/cgi-bin', the following example will first reset it, and then set it to exclude `/~nobody' and `/~somebody'. You can also clear the lists in `.wgetrc' (see section 6.2 Wgetrc Syntax).

wget -X '' -X /~nobody,/~somebody