Chris F.A. Johnson's Unix shell programming notes http://cfajohnson.com/shell/ Articles and tips for Unix shell programmers Bash variables http://cfajohnson.com/shell/?2011-12-28_bash_variables http://cfajohnson.com/shell/?2011-12-28_bash_variables Why you should not use C shell http://cfajohnson.com/shell/?2011-11-30_why_not_csh http://cfajohnson.com/shell/?2011-11-30_why_not_csh Screen manipulation codes http://cfajohnson.com/shell/?2011-11-11_screen_manipulation http://cfajohnson.com/shell/?2011-11-11_screen_manipulation Pro Bash Programming: Scripting the GNU/Linux Shell http://cfajohnson.com/shell/?2009-10-19_Pro_Bash_Programming-Scripting_the_GNU-Lunix_Shell http://cfajohnson.com/shell/?2009-10-19_Pro_Bash_Programming-Scripting_the_GNU-Lunix_Shell Mousetraps in a shell script http://cfajohnson.com/shell/?2005-07-15_mousetraps http://cfajohnson.com/shell/?2005-07-15_mousetraps Shell Scripting Recipes: A Problem-Solution Approach http://cfajohnson.com/shell/?2005-05-25_Shell_Scripting_Recipes http://cfajohnson.com/shell/?2005-05-25_Shell_Scripting_Recipes Shell scripting assistance http://cfajohnson.com/shell/?2004-09-10_assistance http://cfajohnson.com/shell/?2004-09-10_assistance Redirecting stdout and stderr http://cfajohnson.com/shell/?2004-08-24_redirecting_streams http://cfajohnson.com/shell/?2004-08-24_redirecting_streams Links to shell websites http://cfajohnson.com/shell/?2004-05-22_shell_websites http://cfajohnson.com/shell/?2004-05-22_shell_websites Extracting parts of a string http://cfajohnson.com/shell/?2004-05-04_string_parsing http://cfajohnson.com/shell/?2004-05-04_string_parsing Reading configuration files http://cfajohnson.com/shell/?2002-02-14_config_files http://cfajohnson.com/shell/?2002-02-14_config_files