Feb 28th. NewTLUG meeting: The Bash Shell and extensions

[Herb Richter]

	This month's NewTLUG meeting will be held Tues Feb 28th., at the IBM
	offices 3600 Steeles Ave E.


Date: Feb 28, 2006
Time: 7:00 to 10:00pm

Speaker: 	William Park <opengeometry-FFYn/CNdgSA at public.gmane.org>

William Park learned Unix using the original Bourne shell. And, he has
come full-circle back to shell. If he's not busy selling Linux
thin-clients, he's busy writing patches for Bash shell, giving other
scripting languages a run for their money. He uses Vi so much that even
his command line is in Vi mode.

He will give short presentation on his Bash extensions,
	http://freshmeat.net/projects/bashdiff/
	http://home.eol.ca/~parkw/index.html#bashdiff

He will also take questions about Bash shell in general, so newbies are
encourage to come out and ask away.


Summary:

BashDiff is a patch against Bash-3.0 shell, incorporating many useful
features from Awk, Python, Zsh, Ksh, and others. It implements in the main
core:

- new brace expansion {a..b} --- integer/letter generation, positional
  parameters and array expansion
- new parameter expansion ${var|...} --- content filtering, list
  comprehension (like Python), regex/string splitting and joining,
  Python-like string methods, emulation of associative array lookup, etc.
- extended case statement --- regex, continuation, then/else sections
  extended for/while/until loops --- then/else sections, multiple for-loop
  variables
- try-block with string exception (like Python)
- new <<+ here-document --- relative indentation
- new <<<< here-file

and as dynamically loadable builtins:

- extended read/echo builtins --- DOS lines, CSV format, and Awk emulation
  sscanf(3), <string.h> and <ctype.h> wrappers, ASCII/string conversion,
  and binary number conversion.
- new raise builtin for try-block
  array cut/splicing, array filter/map/zip/unzip (like Python)
- HTML template engine (like PHP, JSP, ASP)
- GDBM, SQLite, PostgreSQL, and MySQL database interface
- Expat XML parser interface
- stack/queue operations on arrays and positional parameters
- x-y character plot
- Libwebserver (embedded web server) interface
- GTK+2 interface for simple GUI dialog or layout
- RPN calculator (like HP calculator)


Location: 	IBM offices 3600 Steeles Ave East, north side of Steeles at
		Pharmacy/Esna Park (between Victoria Park and Warden)
		http://www.mapquest.com/maps/map.adp?mapdata=nGCyq1371PhhgCmx6Z%2b1cDMK7StVSEOC8pv6WLEwpPl4J5csVKolXMC1br3AveG47eAtFWeuZ%2bwJ2KM5Oq7LBuLnoWwdmj0b8XrxuhJWdRt2Mc4gVOIEVqcICHRlLm6XTuuZzJMzAZAf3OoErhbEoEZ9FStAjnRb7vrPmDxfzc6Dkdp3pAlh6ZFovnxcYwyt1e0eUfOZpFdN4rspAMvur8zk2XOMgoEZ6s2G1gxGZI6fILrLIfssN9UqLRPAuYnV84Fbwn7amW8Y%2fM6NeCfvcJVGtRhNNBCahqzxnGwYk6G9JBDVKNwGC7biOuwnI5nkx95wKeq%2brOPhXzRb4XSHbA%3d%3d
		(sorry for the wrap)


-- Important -- all attendees will be required to have a security badge.

Badges should be prepared in advance. If you plan to attend, please send
your name to Paul (off-list at <pmora-G1DYhSM1WHTQT0dZR+AlfA at public.gmane.org>) preferably, before
Monday Feb 27. ...and please be sure to return badges to the front
reception at the end of the session.

Thanks: 	to Paul for helping NewTLUG not only by arranging for a room and
		hosting our meetings at IBM but also with looking after the badges.

Badges: 	please email Paul Mora <pmora-G1DYhSM1WHTQT0dZR+AlfA at public.gmane.org> to pre-register


Directions:
Meet at the front entrance well before 7:00pm (6:30
recommended) to pickup your ID badge. At about 7:00 we'll be escorted to
the auditorium. Some provision will be made for anyone arriving a little
late.


Parking: 	Parking is available in the visitor parkade from 6:00pm to
		11:00pm.

-- 

        Herb Richter  <hgr-FjoMob2a1F7QT0dZR+AlfA at public.gmane.org>
        Toronto, Ontario
        http://PartsAndService.com
        http://PartsAndService.ca


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