Document Revision History
This table describes the changes to Shell Scripting Primer.
| Date | Notes |
|---|---|
| 2014-03-10 | Updated to reflect the removal of support for the environment.plist file in OS X v10.8. |
| 2013-08-08 | Enhanced the Shell Script Security chapter. |
| 2012-07-23 | Added note about TextEdit in OS X v10.7.3. |
| 2012-03-14 | Incorporated Command Line Primer, fixed broken link, and fixed typographical errors. |
| 2011-07-27 | Fixed typos in CSH getopt example. |
| 2011-06-21 | Added more security information and reworded description of the OS X (Mach) console. |
| 2011-01-11 | Added information about alias permanence. |
| 2010-10-01 | Fixed links that pointed to the wrong section after reorganizing content. Fixed description of enclosing a single quote inside single quotes. Added description of Perl's rename command. |
| 2010-09-01 | Added "Starting Points" scripts for creating users and groups. |
| 2010-06-18 | Added chapter on shell script security. |
| 2010-06-21 | Added an AWK example and improved wording in a few spots. |
| 2009-11-17 | Made minor typographical fixes. |
| 2009-10-19 | Restructured document for easier access. Added an example for the nc (netcat) utility. |
| 2009-08-25 | Added note about creating plain text files in TextEdit. |
| 2009-08-11 | Added chapter describing how to get to a shell prompt and pointing to Command Line Primer. Added an appendix of examples. |
| 2009-07-23 | Added content about line endings. |
| 2009-06-01 | Added information about using regular expressions in control statements. |
| 2009-04-08 | Added a forward link in the awk section. Added a few minor cross-platform porting notes. Added a CSH compatibility note about numeric comparisons. |
| 2009-03-04 | Added AppleScript/osascript section. Added portability notes for head and tail commands. |
| 2009-01-06 | Added index. |
| 2008-11-19 | Clarified text about C shell limitations, quoting arguments. Added additional cross-platform compatibility information. |
| 2008-04-08 | Fixed a bug in an awk code sample. |
| 2008-02-08 | Added several useful commands to the "Other Tools" chapter. |
| 2007-12-11 | Updated for OS X v10.5. Added some basic information about csh and additional awk samples. |
| 2007-10-02 | Fixed a typo in an awk code example. |
| 2007-04-03 | Added chapter on performance optimization and advanced scripting techniques. Made other minor enhancements. |
| 2006-12-05 | Clarified behavior of variable exports. Added explanation of eval command. |
| 2006-11-07 | Added chapters on cross-platform scripting and awk. |
| 2006-10-03 | Added a section on job control in bash and zsh. |
| 2006-06-28 | Fixed a number of typographical errors. |
| 2006-05-23 | First version. |
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