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Further Reading
● The Bash Hackers Wiki has a good article on positional parameters: http://wiki.bash-hackers.org/scripting/posparams
● The Bash Reference Manual has an article on the special parameters, including
$* and $@: http://www.gnu.org/software/bash/manual/bashref.html#Special-Parameters
● In addition to the techniques discussed in this chapter, bash includes a builtin command called getopts, which can also be used for process command line ar- guments. It is described in the SHELL BUILTIN COMMANDS section of the bash man page and at the Bash Hackers Wiki:
http://wiki.bash-hackers.org/howto/getopts_tutorial
33 – Flow Control: Looping With for