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Further Reading
● The Wikipedia has a couple of short articles on syntactic and logical errors: http://en.wikipedia.org/wiki/Syntax_error http://en.wikipedia.org/wiki/Logic_error
● There are many online resources for the technical aspects of bash programming: http://mywiki.wooledge.org/BashPitfalls http://tldp.org/LDP/abs/html/gotchas.html http://www.gnu.org/software/bash/manual/html_node/Reserved-Word-Index.html
● Eric Raymond’s The Art of Unix Programming is a great resource for learning the basic concepts found in well-written Unix programs. Many of these ideas apply to shell scripts:
http://www.faqs.org/docs/artu/ http://www.faqs.org/docs/artu/ch01s06.html
● For really heavy-duty debugging, there is the Bash Debugger: http://bashdb.sourceforge.net/